ABB RELION 611 Series Technical Manual
Hide thumbs Also See for RELION 611 Series:
Table of Contents

Advertisement

Quick Links

RELION® PROTECTION AND CONTROL
611 series
Technical Manual

Advertisement

Table of Contents
loading

Summary of Contents for ABB RELION 611 Series

  • Page 1 — RELION® PROTECTION AND CONTROL 611 series Technical Manual...
  • Page 3 Document ID: 1MRS757454 Issued: 2019-04-10 Revision: D Product version: 2.0 © Copyright 2019 ABB. All rights reserved...
  • Page 4 Copyright This document and parts thereof must not be reproduced or copied without written permission from ABB, and the contents thereof must not be imparted to a third party, nor used for any unauthorized purpose. The software or hardware described in this document is furnished under a license and may be used, copied, or disclosed only in accordance with the terms of such license.
  • Page 5 In case any errors are detected, the reader is kindly requested to notify the manufacturer. Other than under explicit contractual commitments, in no event shall ABB be responsible or liable for any loss or damage resulting from the use of this manual or the application of the equipment.
  • Page 6 (EMC Directive 2014/30/EU) and concerning electrical equipment for use within specified voltage limits (Low-voltage directive 2014/35/EU). This conformity is the result of tests conducted by ABB in accordance with the product standard EN 60255-26 for the EMC directive, and with the product standards EN 60255-1 and EN 60255-27 for the low voltage directive.
  • Page 7: Table Of Contents

    Table of contents Table of contents Section 1 Introduction..............17 This manual..................17 Intended audience................17 Product documentation..............18 Product documentation set............18 Document revision history............18 Related documentation..............19 Symbols and conventions..............19 Symbols..................19 Document conventions..............19 Functions, codes and symbols............ 20 Section 2 611 series overview............25 Overview...................25 Product series version history.............
  • Page 8 Table of contents Signals..................53 Settings..................53 Monitored data................55 Time synchronization................55 Time master supervision GNRLLTMS.........55 Function block................ 55 Functionality................55 Signals..................57 Settings.................. 57 Parameter setting groups..............59 Function block................59 Functionality................59 Test mode..................61 Functionality................61 Control mode................61 Authorization................62 LHMI indications................62 Local/Remote control................62 Fault recorder FLTRFRC..............63 Function block................
  • Page 9 Table of contents Function block................ 80 Functionality................80 Signals..................81 Configurable logic blocks..............81 Minimum pulse timer..............81 Minimum pulse timer TPGAPC..........81 Minimum pulse timer TPSGAPC..........82 Move (8 pcs) MVGAPC............... 84 Function block................ 84 Functionality................84 Signals..................84 Settings.................. 85 Factory settings restoration.............. 85 ETHERNET channel supervision function blocks......85 Redundant Ethernet channel supervision RCHLCCH....
  • Page 10 Table of contents Function block..............107 Functionality................. 107 Operation principle .............. 107 Measurement modes............112 Directional overcurrent characteristics ........ 113 Application................121 Signals..................123 Settings................124 Monitored data..............128 Technical data..............129 Technical revision history............. 130 Three-phase thermal protection for feeders, cables and distribution transformers T1PTTR..........
  • Page 11 Table of contents Technical data..............144 Technical revision history............. 144 Thermal overload protection for motors MPTTR....... 144 Identification................. 144 Function block..............145 Functionality................. 145 Operation principle............... 145 Application................154 Signals..................158 Settings................159 Monitored data..............160 Technical data..............160 Technical revision history............. 160 Earth-fault protection..............
  • Page 12 Table of contents Identification................. 203 Function block..............204 Functionality................. 204 Operation principle............... 204 Application................209 Signals..................210 Settings................211 Monitored data..............211 Technical data..............212 Technical revision history............. 212 Differential protection..............212 High-impedance differential protection HIxPDIF....... 212 Identification................. 212 Function block..............213 Functionality................. 213 Operation principle...............
  • Page 13 Table of contents Settings................237 Monitored data..............238 Technical data..............238 Technical revision history............. 239 Phase reversal protection PREVPTOC........239 Identification................. 239 Function block..............239 Functionality................. 239 Operation principle............... 239 Application................240 Signals..................241 Settings................241 Monitored data..............241 Technical data..............242 Technical revision history.............
  • Page 14 Table of contents Function block..............260 Functionality................. 260 Operation principle............... 260 Timer characteristics............264 Application................264 Signals..................265 Settings................265 Monitored data..............267 Technical data..............267 Technical revision history............. 267 Residual overvoltage protection ROVPTOV......268 Identification................. 268 Function block..............268 Functionality................. 268 Operation principle............... 268 Application................270 Signals..................270 Settings................
  • Page 15 Table of contents Frequency protection FRPFRQ............281 Identification................281 Function block................281 Functionality................281 Operation principle..............282 Application................. 285 Signals..................286 Settings..................287 Monitored data................287 Technical data................288 Technical revision history............288 Motor start-up supervision STTPMSU..........288 Identification................288 Function block................288 Functionality................289 Operation principle..............
  • Page 16 Table of contents Technical data................317 Technical revision history............317 Master trip TRPPTRC..............318 Identification................318 Function block................318 Functionality................318 Operation principle..............318 Application................. 320 Signals..................321 Settings..................321 Monitored data................321 Technical revision history............322 Emergency start-up ESMGAPC............. 322 Identification................322 Function block................322 Functionality................
  • Page 17 Table of contents Technical revision history............339 Phase segregated CT supervision function HZCCxSPVC..... 339 Identification................339 Function block................339 Functionality................340 Operation principle..............340 Measuring modes..............341 Application................. 342 Signals..................343 Settings..................344 Monitored data................345 Technical data................346 Technical revision history............346 Runtime counter for machines and devices MDSOPT....
  • Page 18 Table of contents Technical data..............366 Technical revision history............. 367 Residual current measurement RESCMMXU......367 Identification................. 367 Function block..............367 Signals..................367 Settings................368 Monitored data..............368 Technical data..............369 Technical revision history............. 369 Residual voltage measurement RESVMMXU......369 Identification................. 369 Function block..............
  • Page 19 Table of contents Identification................. 379 Function block..............379 Signals..................380 Settings................380 Monitored data..............381 Technical data..............382 Technical revision history............. 383 Disturbance recorder RDRE............383 Identification................383 Functionality................383 Recorded analog inputs............383 Triggering alternatives............384 Length of recordings.............385 Sampling frequencies............385 Uploading of recordings............386 Deletion of recordings............
  • Page 20 Table of contents Thermal overload blocking........... 406 Operation principle..............406 Signal collection and delay logic.......... 407 Shot initiation................411 Shot pointer controller............414 Reclose controller..............415 Sequence controller............. 417 Protection coordination controller.........418 Circuit breaker controller............419 Counters..................421 Application................. 421 Shot initiation................422 Sequence................
  • Page 21 Table of contents User-programmable inverse-time characteristics for undervoltage protection............485 IDMT curve saturation of undervoltage protection....486 Frequency measurement and protection........486 Measurement modes..............487 Calculated measurements..............489 Section 10 Requirements for measurement transformers....491 Current transformers..............491 Current transformer requirements for overcurrent protection..491 Current transformer accuracy class and accuracy limit factor..................
  • Page 23: Section 1 Introduction

    Section 1 1MRS757454 D Introduction Section 1 Introduction This manual The technical manual contains application and functionality descriptions and lists function blocks, logic diagrams, input and output signals, setting parameters and technical data sorted per function. The manual can be used as a technical reference during the engineering phase, installation and commissioning phase, and during normal service.
  • Page 24: Product Documentation

    Document revision history Document revision/date Product series version History A/2011-11-18 First release B/2016-02-22 Content updated to correspond to the product series version C/2017-10-31 Content updated D/2019-04-10 Content updated Download the latest documents from the ABB Web site http://www.abb.com/substationautomation. 611 series Technical Manual...
  • Page 25: Related Documentation

    Section 1 1MRS757454 D Introduction 1.3.3 Related documentation Product series- and product-specific manuals can be downloaded from the ABB Web site http://www.abb.com/substationautomation. Symbols and conventions 1.4.1 Symbols The electrical warning icon indicates the presence of a hazard which could result in electrical shock.
  • Page 26: Functions, Codes And Symbols

    Section 1 1MRS757454 D Introduction To navigate between the options, use • Menu paths are presented in bold. Select Main menu/Settings. • LHMI messages are shown in Courier font. To save the changes in nonvolatile memory, select Yes and press •...
  • Page 27 Section 1 1MRS757454 D Introduction Function IEC 61850 IEC 60617 IEC-ANSI Directional earth-fault protection, low DEFLPDEF1 Io> -> (1) 67N-1 (1) stage, instance 1 Directional earth-fault protection, low DEFLPDEF2 Io> -> (2) 67N-1 (2) stage, instance 2 Directional earth-fault protection, high DEFHPDEF1 Io>>...
  • Page 28 Section 1 1MRS757454 D Introduction Function IEC 61850 IEC 60617 IEC-ANSI Three-phase thermal protection for feeders, cables and distribution T1PTTR1 3Ith>F transformers Loss of load supervision LOFLPTUC1 3I< Motor load jam protection JAMPTOC1 Ist> 51LR Motor start-up supervision STTPMSU1 Is2t n< 49,66,48,51LR Phase reversal protection PREVPTOC1...
  • Page 29 Section 1 1MRS757454 D Introduction Function IEC 61850 IEC 60617 IEC-ANSI Disturbance recorder RDRE1 DR (1) DFR(1) Fault recorder FLTRFRC1 Measurement Three-phase current measurement, CMMXU1 instance 1 Sequence current measurement CSMSQI1 I1, I2, I0 I1, I2, I0 Residual current measurement, RESCMMXU1 instance 1 Three-phase voltage measurement,...
  • Page 31: Section 2 611 Series Overview

    611 series overview Overview The 611 series is part of ABB’s Relion® product family. The 611 series protection relays offer functionality within basic protection and control configurations. There are product variants for feeder, motor, busbar and voltage protection applications. The...
  • Page 32: Product Series Version History

    REF611 Connectivity Package Ver.2.0 or later • REM611 Connectivity Package Ver.2.0 or later • REU611 Connectivity Package Ver.2.0 or later Download connectivity packages from the ABB Web site http://www.abb.com/substationautomation or directly with Update Manager in PCM600. 611 series Technical Manual...
  • Page 33: Local Hmi

    Section 2 1MRS757454 D 611 series overview Local HMI The LHMI is used for setting, monitoring and controlling the protection relay. The LHMI comprises the display, buttons, LED indicators and communication port. REF611 Overcurrent Earth-fault Phase unbalance Thermal overload AR sequence in progress Disturb.rec.trigged Trip circuit failure Breaker failure...
  • Page 34: Leds

    Section 2 1MRS757454 D 611 series overview The display view is divided into four basic areas. GUID-24ADB995-439A-4563-AACE-1FAA193A8EF9 V1 EN Figure 3: Display layout 1 Header 2 Icon 3 Content 4 Scroll bar (displayed when needed) 2.2.2 LEDs The LHMI includes three protection indicators above the display: Ready, Start and Trip.
  • Page 35: Web Hmi

    Section 2 1MRS757454 D 611 series overview GUID-B681763E-EC56-4515-AC57-1FD5349715F7 V1 EN Figure 4: LHMI keypad with object control, navigation and command push buttons and RJ-45 communication port Web HMI The WHMI allows secure access to the protection relay via a Web browser. When the Secure Communication parameter in the protection relay is activated, the Web server is forced to take a secured (HTTPS) connection to WHMI using TLS encryption.The WHMI is verified with Internet Explorer 8.0, 9.0, 10.0 and 11.0.
  • Page 36: Command Buttons

    Section 2 1MRS757454 D 611 series overview GUID-CD531B61-6866-44E9-B0C1-925B48140F3F V2 EN Figure 5: Example view of the WHMI The WHMI can be accessed locally and remotely. • Locally by connecting the laptop to the protection relay via the front communication port. •...
  • Page 37: Authorization

    Section 2 1MRS757454 D 611 series overview Name Description Rejecting changes Showing context sensitive help messages Error icon Clearing events Triggering the disturbance recorder manually Saving values to TXT or CSV file format Freezing the values so that updates are not displayed Receiving continuous updates to the monitoring view Deleting the disturbance record Deleting all disturbance records...
  • Page 38: Audit Trail

    Section 2 1MRS757454 D 611 series overview Table 4: Predefined user categories Username User rights VIEWER Read only access OPERATOR • Selecting remote or local state with (only locally) • Changing setting groups • Controlling • Clearing indications ENGINEER • Changing settings •...
  • Page 39 Section 2 1MRS757454 D 611 series overview Table 5: Audit trail events Audit trail event Description Configuration change Configuration files changed Firmware change Firmware changed Firmware change fail Firmware change failed Attached to retrofit test case Unit has been attached to retrofit case Removed from retrofit test case Removed from retrofit test case Setting group remote...
  • Page 40: Communication

    Section 2 1MRS757454 D 611 series overview Table 6: Comparison of authority logging levels Audit trail event Authority logging level Configurati Setting Setting Settings None on change group group, edit control Configuration change ● ● ● ● ● Firmware change ●...
  • Page 41: Self-Healing Ethernet Ring

    Section 2 1MRS757454 D 611 series overview where the highest performance class with a total transmission time of 3 ms is supported. The protection relay meets the GOOSE performance requirements for tripping applications in distribution substations, as defined by the IEC 61850 standard.
  • Page 42: Ethernet Redundancy

    Section 2 1MRS757454 D 611 series overview Client A Client B Network Network Manag ed Eth ernet switch Manag ed Eth ernet switch with RSTP su pport with RSTP su pport GUID-A19C6CFB-EEFD-4FB2-9671-E4C4137550A1 V2 EN Figure 6: Self-healing Ethernet ring solution The Ethernet ring solution supports the connection of up to 30 protection relays.
  • Page 43 Section 2 1MRS757454 D 611 series overview IEC 62439-3:2012 cancels and replaces the first edition published in 2010. These standard versions are also referred to as IEC 62439-3 Edition 1 and IEC 62439-3 Edition 2. The protection relay supports IEC 62439-3:2012 and it is not compatible with IEC 62439-3:2010. Each PRP node, called a double attached node with PRP (DAN), is attached to two independent LANs operated in parallel.
  • Page 44: Secure Communication

    Section 2 1MRS757454 D 611 series overview • Via an external redundancy box (RedBox) or a switch capable of connecting to PRP and normal networks • By connecting the node directly to LAN A or LAN B as SAN • By connecting the node to the protection relay's interlink port HSR applies the PRP principle of parallel operation to a single ring, treating the two directions as two virtual LANs.
  • Page 45: Section 3 Basic Functions

    Section 3 1MRS757454 D Basic functions Section 3 Basic functions General parameters Table 7: Analog input settings, phase currents Parameter Values (Range) Unit Step Default Description Primary current 1.0...6000.0 100.0 Rated primary current Secondary current 2=1A 2=1A Rated secondary current 3=5A Amplitude Corr A 0.9000...1.1000...
  • Page 46 Section 3 1MRS757454 D Basic functions Parameter Values (Range) Unit Step Default Description Amplitude Corr A 0.9000...1.1000 0.0001 1.0000 Phase A Voltage phasor magnitude correction of an external voltage transformer Amplitude Corr B 0.9000...1.1000 0.0001 1.0000 Phase B Voltage phasor magnitude correction of an external voltage transformer Amplitude Corr C...
  • Page 47 Section 3 1MRS757454 D Basic functions Parameter Values (Range) Unit Step Default Description Local viewer Set password Local operator Set password Local engineer Set password Local administrator Set password 1) Authorization override is disabled, communication tools ask password to enter the protection relay 2) Authorization override is enabled, communication tools do not need password to enter the protection relay, except for WHMI which always requires it 3) Authorization override is disabled, LHMI password must be entered...
  • Page 48 Section 3 1MRS757454 D Basic functions Table 16: Ethernet front port settings Parameter Values (Range) Unit Step Default Description IP address 192.168.0.254 IP address for front port (fixed) Mac address XX-XX-XX-XX- Mac address for front port XX-XX Table 17: Ethernet rear port settings Parameter Values (Range) Unit...
  • Page 49 Section 3 1MRS757454 D Basic functions Table 20: IEC 61850-8-1 MMS settings Parameter Values (Range) Unit Step Default Description Unit mode 0=Nominal IEC 61850-8-1 unit mode 1=Primary 0=Nominal 2=Primary- Nominal 1) MMS client expects primary values from event reporting and data attribute reads 2) MMS client expects nominal values from event reporting and data attribute reads;...
  • Page 50 Section 3 1MRS757454 D Basic functions Parameter Values (Range) Unit Step Default Description Event backoff 1...500 Defines how many events have to be read after event buffer overflow to allow new events to be buffered. Applicable in "Keep oldest" mode only. ControlStructPWd 1 **** Password for control operations using...
  • Page 51: Self-Supervision

    Section 3 1MRS757454 D Basic functions Table 23: COM2 serial communication settings Parameter Values (Range) Unit Step Default Description Fiber mode 0=No fiber 0=No fiber Fiber mode 2=Fiber optic Serial mode 1=RS485 2Wire 1=RS485 2Wire Serial mode 2=RS485 4Wire 3=RS232 no handshake 4=RS232 with handshake...
  • Page 52 Figure 9: Output contact The internal fault code indicates the type of internal relay fault. When a fault appears, the code must be recorded so that it can be reported to ABB customer service. Table 24: Internal fault indications and codes...
  • Page 53: Warnings

    Section 3 1MRS757454 D Basic functions Fault indication Fault code Additional information Internal Fault Faulty Power Output relay(s) in card PO-relay(s),X100 located in slot X100. Internal Fault Faulty Power Output relay(s) in card PO-relay(s),X120 located in slot X120. Internal Fault Faulty Power Output relay(s) in card PO-relay(s),X130 located in slot X130.
  • Page 54 LHMI. The warning indication message can be manually cleared. If a warning appears, record the name and code so that it can be provided to ABB customer service. Table 25: Warning indications and codes...
  • Page 55: Led Indication Control

    Section 3 1MRS757454 D Basic functions LED indication control 3.3.1 Function block GUID-B5D22C6D-951D-4F34-BE68-F5AF08580140 V2 EN Figure 10: Function block 3.3.2 Functionality The protection relay includes a global conditioning function LEDPTRC that is used with the protection indication LEDs. LED indication control should never be used for tripping purposes. There is a separate trip logic function TRPPTRC available in the relay configuration.
  • Page 56: Functionality

    Section 3 1MRS757454 D Basic functions 3.4.2 Functionality The programmable LEDs reside on the right side of the display on the LHMI. REF611 Overcurrent Earth-fault Phase unbalance Thermal overload AR sequence in progress Disturb.rec.trigged Trip circuit failure Breaker failure GUID-E15422BF-B3E6-4D02-8D43-D912D5EF0360 V1 EN Figure 12: Programmable LEDs on the right side of the display All the programmable LEDs in the HMI of the protection relay have two colors, green...
  • Page 57 Section 3 1MRS757454 D Basic functions Each LED is seen in the Application Configuration tool as an individual function block. Each LED has user-editable description text for event description. The state ("None", "OK", "Alarm") of each LED can also be read under a common monitored data view for programmable LEDs.
  • Page 58 Section 3 1MRS757454 D Basic functions Activating signal GUID-952BD571-874A-4572-8710-F0E879678552 V1 EN Figure 15: Operating sequence "Follow-S" "Follow-F": Follow Signal, Flashing Similar to "Follow-S", but instead the LED is flashing when the input is active, Non- latched. "Latched-S": Latched, ON This mode is a latched function. At the activation of the input signal, the alarm shows a steady light.
  • Page 59: Signals

    Section 3 1MRS757454 D Basic functions 3.4.3 Signals Table 26: Input signals Name Type Default Description BOOLEAN 0=False Ok input for LED 1 ALARM BOOLEAN 0=False Alarm input for LED 1 RESET BOOLEAN 0=False Reset input for LED 1 BOOLEAN 0=False Ok input for LED 2 ALARM...
  • Page 60 Section 3 1MRS757454 D Basic functions Parameter Values (Range) Unit Step Default Description Alarm mode 0=Follow-S 0=Follow-S Alarm mode for programmable LED 2 1=Follow-F 2=Latched-S 3=LatchedAck-F-S Description Programmable Programmable LED description LEDs LED 2 Alarm mode 0=Follow-S 0=Follow-S Alarm mode for programmable LED 3 1=Follow-F 2=Latched-S 3=LatchedAck-F-S...
  • Page 61: Monitored Data

    Section 3 1MRS757454 D Basic functions 3.4.5 Monitored data Table 28: Monitored data Name Type Values (Range) Unit Description Programmable LED Enum 0=None Status of programmable 1=Ok LED 1 3=Alarm Programmable LED Enum 0=None Status of programmable 1=Ok LED 2 3=Alarm Programmable LED Enum...
  • Page 62 Section 3 1MRS757454 D Basic functions The protection relay is provided with a 48 hour capacitor backup that enables the real- time clock to keep time in case of an auxiliary power failure. The setting Synch source determines the method to synchronize the real-time clock. If it is set to “None”, the clock is free-running and the settings Date and Time can be used to set the time manually.
  • Page 63: Signals

    Section 3 1MRS757454 D Basic functions time. As no reboot is necessary, the time synchronization starts immediately after the IRIG-B sync source is selected and the IRIG-B signal source is connected. IRIG-B time synchronization requires a COM card with an IRIG-B input.
  • Page 64 Section 3 1MRS757454 D Basic functions Table 32: Non group settings Parameter Values (Range) Unit Step Default Description Date Date Time Time Local time offset -840...840 Local time offset in minutes Table 33: Non group settings Parameter Values (Range) Unit Step Default Description...
  • Page 65: Parameter Setting Groups

    Section 3 1MRS757454 D Basic functions Parameter Values (Range) Unit Step Default Description DST off date (month) 1=January 9=September Daylight saving time off, date (dd:mm) 2=February 3=March 4=April 5=May 6=June 7=July 8=August 9=September 10=October 11=November 12=December DST off day (weekday) 0=reserved 0=reserved Daylight saving time off, day of week...
  • Page 66 Section 3 1MRS757454 D Basic functions Table 35: Optional operation modes for setting group selection SG operation mode Description Operator (Default) Setting group can be changed with the setting Settings/Setting group/Active group. Value of the SG_LOGIC_SEL output is FALSE. Logic mode 1 Setting group can be changed with binary inputs (BI_SG_2...BI_SG_6).
  • Page 67: Test Mode

    Section 3 1MRS757454 D Basic functions Test mode 3.7.1 Functionality All of the relay’s logical nodes can be set with Test mode. Test mode is selected through one common parameter via the HMI path Tests/IED test. By default, Test mode can only be set locally through LHMI. Test mode is also available via IEC 61850 communication (LD0.LLN0.Mod).
  • Page 68: Authorization

    Section 3 1MRS757454 D Basic functions 3.7.3 Authorization By default, Test mode and Control mode can only be changed from LHMI. It is possible to write test mode by remote client, if it is needed in configuration. This is done via LHMI only by setting the Remote test mode parameter via Tests/IED test/ Test mode.
  • Page 69: Fault Recorder Fltrfrc

    Section 3 1MRS757454 D Basic functions REMOTE LOCAL IEC 61850 IEC 61850 IEC 61850 IEC 61850 IEC 61850 IEC 61850 remote remote remote remote remote remote GUID-08BACCE4-AF4A-4150-A01A-49FBEE63B438 V1 EN Figure 20: Station authority is “L,R” The present control status can be monitored in the HMI or PCM600 via MonitoringControl command with the LR state parameter or from the IEC 61850 data object CTRL.LLN0.
  • Page 70: Settings

    Section 3 1MRS757454 D Basic functions a start is restored without an operate event, the start duration shows the protection function that has started first. Start duration that has the value of 100% indicates that a protection function has operated during the fault. If the protection functions has not operated, though another function might have operated during this period, Start duration always shows values less than 100%.
  • Page 71: Monitored Data

    Section 3 1MRS757454 D Basic functions 3.9.4 Monitored data Table 44: FLTRFRC Monitored data Name Type Values (Range) Unit Description Fault number INT32 0...999999 Fault record number Time and date Timestamp Fault record time stamp Protection Enum 0=Unknown Protection function 1=PHLPTOC1 2=PHLPTOC2 6=PHHPTOC1...
  • Page 72 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description 71=DPHLPDOC 72=DPHLPDOC 74=DPHHPDOC 77=MAPGAPC1 78=MAPGAPC2 79=MAPGAPC3 85=MNSPTOC1 86=MNSPTOC2 88=LOFLPTUC1 90=TR2PTDF1 91=LNPLDF1 92=LREFPNDF1 94=MPDIF1 96=HREFPDIF1 100=ROVPTOV 101=ROVPTOV 102=ROVPTOV 104=PHPTOV1 105=PHPTOV2 106=PHPTOV3 108=PHPTUV1 109=PHPTUV2 110=PHPTUV3 112=NSPTOV1 113=NSPTOV2 116=PSPTUV1 118=ARCSARC 119=ARCSARC 120=ARCSARC -96=SPHIPTOC -93=SPHLPTOC...
  • Page 73 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description -12=PHPTUC2 -11=PHPTUC1 -9=PHIZ1 5=PHLTPTOC1 20=EFLPTOC4 26=EFHPTOC5 27=EFHPTOC6 37=NSPTOC3 38=NSPTOC4 45=T1PTTR2 54=DEFHPDEF 75=DPHHPDOC 89=LOFLPTUC2 103=ROVPTOV 117=PSPTUV2 -13=PHPTUC3 3=PHLPTOC3 10=PHHPTOC5 11=PHHPTOC6 28=EFHPTOC7 29=EFHPTOC8 107=PHPTOV4 111=PHPTUV4 114=NSPTOV3 115=NSPTOV4 -30=PHDSTPDI -29=TR3PTDF1 -28=HICPDIF1 -27=HIBPDIF1 -26=HIAPDIF1 -32=LSHDPFRQ...
  • Page 74 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description -47=MAP12GAP -46=MAP12GAP -45=MAP12GAP -44=MAP12GAP -43=MAP12GAP -42=MAP12GAP -41=MAP12GAP -40=MAP12GAP -37=HAEFPTOC -35=WPWDE3 -34=WPWDE2 -33=WPWDE1 52=DEFLPDEF3 84=MAPGAPC8 93=LREFPNDF2 97=HREFPDIF2 -117=XDEFLPD -116=XDEFLPD -115=SDPHLPD -114=SDPHLPD -113=XNSPTOC -112=XNSPTOC -111=XEFIPTOC -110=XEFHPTO -109=XEFHPTO -108=XEFLPTO -107=XEFLPTO -66=DQPTUV1 -65=VVSPPAM1 -64=PHPVOC1 -63=H3EFPSEF...
  • Page 75 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description -106=MAPGAPC -105=MAPGAPC -104=MAPGAPC -103=MAPGAPC -76=MAPGAPC1 -75=MAPGAPC1 -62=SRCPTOC1 -74=DOPPDPR3 -73=DOPPDPR2 -70=DUPPDPR2 -58=UZPDIS1 -36=UEXPDIS1 14=MFADPSDE -10=LVRTPTUV -8=LVRTPTUV2 -6=LVRTPTUV3 -122=DPH3LPD -121=DPH3HPD -120=DPH3HPD -119=PH3LPTO -118=PH3LPTO -79=PH3HPTOC -78=PH3HPTOC -77=PH3IPTOC1 -127=PHAPTUV -124=PHAPTOV -123=DPH3LPD -68=PHPVOC2 -67=DQPTUV2 -39=UEXPDIS2 98=MHZPDIF1...
  • Page 76 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description Fault loop Ris FLOAT32 -1000.00...1000. Resistance of fault loop, PHDSTPDIS1 Fault loop React FLOAT32 -1000.00...1000. Reactance of fault loop, PHDSTPDIS1 Active group INT32 1...6 Active setting group Shot pointer INT32 1...7 Autoreclosing shot...
  • Page 77 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description Current Ng-Seq FLOAT32 0.000...50.000 Negative sequence current Max current IL1B FLOAT32 0.000...50.000 Maximum phase A current (b) Max current IL2B FLOAT32 0.000...50.000 Maximum phase B current (b) Max current IL3B FLOAT32 0.000...50.000 Maximum phase C...
  • Page 78 Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description Voltage U31 FLOAT32 0.000...4.000 Phase C to phase A voltage Voltage Uo FLOAT32 0.000...4.000 Residual voltage Voltage Zro-Seq FLOAT32 0.000...4.000 Zero sequence voltage Voltage Ps-Seq FLOAT32 0.000...4.000 Positive sequence voltage Voltage Ng-Seq FLOAT32...
  • Page 79: Nonvolatile Memory

    Section 3 1MRS757454 D Basic functions Name Type Values (Range) Unit Description Angle U23B - IL1B FLOAT32 -180.00...180.00 Angle phase B to phase C voltage - phase A current Angle U31B - IL2B FLOAT32 -180.00...180.00 Angle phase C to phase A voltage - phase B current Angle U12B - IL3B FLOAT32...
  • Page 80: Binary Input Inversion

    Section 3 1MRS757454 D Basic functions GUID-13DA5833-D263-4E23-B666-CF38B1011A4B V1 EN Figure 22: Binary input filtering 3 Input signal 4 Filtered input signal 5 Filter time At the beginning, the input signal is at the high state, the short low state is filtered and no input state change is detected.
  • Page 81: Oscillation Suppression

    Section 3 1MRS757454 D Basic functions When a binary input is inverted, the state of the input is TRUE (1) when no control voltage is applied to its terminals. Accordingly, the input state is FALSE (0) when a control voltage is applied to the terminals of the binary input. 3.11.3 Oscillation suppression Oscillation suppression is used to reduce the load from the system when a binary input...
  • Page 82: Power Output Contacts

    Section 3 1MRS757454 D Basic functions can also be used to energize an external trip relay, which in turn can be confiugred to energize the breaker trip or close coils. Using an external trip relay can require an external trip circuit supervision relay.
  • Page 83: Double-Pole Power Outputs Po3 And Po4 With Trip Circuit Supervision

    Section 3 1MRS757454 D Basic functions 3.12.1.2 Double-pole power outputs PO3 and PO4 with trip circuit supervision The power outputs PO3 and PO4 are double-pole normally open/form A power outputs with trip circuit supervision. When the two poles of the contacts are connected in series, they have the same technical specification as PO1 for breaking duty.
  • Page 84: Internal Fault Signal Output Irf

    Section 3 1MRS757454 D Basic functions breaker close coil and tripping coil. Due to the limited breaking capacity, a breaker auxiliary contact can be required to break the circuit. 3.12.2.1 Internal fault signal output IRF The internal fault signal output (change-over/form C) IRF is a single contact included in the power supply module of the protection relay.
  • Page 85: Signal Outputs So1, So2 And So3 In Bio0006

    Section 3 1MRS757454 D Basic functions 3.12.2.3 Signal outputs SO1, SO2 and SO3 in BIO0006 The optional card BIO0006 provides the signal outputs SO1, SO2 and SO3. Signal outputs SO1 and SO2 are dual, parallel form C contacts; SO3 is a single form C contact.
  • Page 86: Goosercv_Bin Function Block

    Section 3 1MRS757454 D Basic functions Settings The GOOSE function blocks do not have any parameters available in LHMI or PCM600. 3.13.1 GOOSERCV_BIN function block 3.13.1.1 Function block GUID-44EF4D6E-7389-455C-BDE5-B127678E2CBC V1 EN Figure 28: Function block 3.13.1.2 Functionality The GOOSERCV_BIN function is used to connect the GOOSE binary inputs to the application.
  • Page 87: Signals

    Section 3 1MRS757454 D Basic functions 3.13.2.3 Signals Table 49: GOOSERCV_MV Output signals Name Type Description FLOAT32 Output signal VALID BOOLEAN Output signal 3.14 Configurable logic blocks 3.14.1 Minimum pulse timer 3.14.1.1 Minimum pulse timer TPGAPC Function block GUID-809F4B4A-E684-43AC-9C34-574A93FE0EBC V1 EN Figure 30: Function block Functionality...
  • Page 88: Minimum Pulse Timer Tpsgapc

    Section 3 1MRS757454 D Basic functions Signals Table 50: TPGAPC Output signals Name Type Description OUT1 BOOLEAN Output 1 status OUT2 BOOLEAN Output 2 status Settings Table 51: TPGAPC Non group settings Parameter Values (Range) Unit Step Default Description Pulse time 0...60000 Minimum pulse time Technical revision history...
  • Page 89 Section 3 1MRS757454 D Basic functions GUID-8196EE39-3529-46DC-A161-B1C40224559F V1 EN Figure 33: A = Trip pulse is shorter than Pulse time setting, B = Trip pulse is longer than Pulse time setting Signals Table 53: TPSGAPC Input signals Name Type Default Description BOOLEAN 0=False...
  • Page 90: Move (8 Pcs) Mvgapc

    Section 3 1MRS757454 D Basic functions 3.14.2 Move (8 pcs) MVGAPC 3.14.2.1 Function block GUID-C79D9450-8CB2-49AF-B825-B702EA2CD9F5 V2 EN Figure 34: Function block 3.14.2.2 Functionality The move (8 pcs) function MVGAPC is used for user logic bits. Each input state is directly copied to the output state. This allows the creating of events from advanced logic combinations.
  • Page 91: Settings

    Section 3 1MRS757454 D Basic functions Name Type Description BOOLEAN Q6 status BOOLEAN Q7 status BOOLEAN Q8 status 3.14.2.4 Settings Table 59: MVGAPC Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Description MVGAPC1 Q1 Output description Description MVGAPC1 Q2 Output description Description...
  • Page 92: Functionality

    Section 3 1MRS757454 D Basic functions 3.16.1.2 Functionality Redundant Ethernet channel supervision RCHLCCH represents LAN A and LAN B redundant Ethernet channels. 3.16.1.3 Signals Table 60: RCHLCCH output signals Parameter Values (Range) Unit Step Default Description CHLIV True Status of redundant Ethernet channel Redundant mode is set to False LAN A.
  • Page 93: Ethernet Channel Supervision Schlcch

    Section 3 1MRS757454 D Basic functions 3.16.2 Ethernet channel supervision SCHLCCH 3.16.2.1 Function block GUID-DBA25BB9-6BF5-4C45-A39F-1920113A22F2 V1 EN Figure 36: Function block 3.16.2.2 Functionality Ethernet channel supervision SCHLCCH represents X1/LAN, X2/LAN and X3/LAN Ethernet channels. An unused Ethernet port can be set "Off" with the setting Configuration/ Communication/Ethernet/Rear port(s)/Port x Mode.
  • Page 94: Settings

    Section 3 1MRS757454 D Basic functions Table 64: SCHLCCH3 output signals Parameter Values (Range) Unit Step Default Description CH3LIV True Status of Ethernet channel X3/LAN. False Value is "True" if the port is receiving Ethernet frames. Valid only when Redundant mode is set to "None" or port is not one of the redundant ports (LAN A or LAN B).
  • Page 95: Section 4 Protection Functions

    Section 4 1MRS757454 D Protection functions Section 4 Protection functions Three-phase current protection 4.1.1 Three-phase non-directional overcurrent protection PHxPTOC 4.1.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Three-phase non-directional PHLPTOC 3I> 51P-1 overcurrent protection, low stage Three-phase non-directional PHHPTOC 3I>>...
  • Page 96: Operation Principle

    Section 4 1MRS757454 D Protection functions In the DT mode, the function operates after a predefined operate time and resets when the fault current disappears. The IDMT mode provides current-dependent timer characteristics. The function contains a blocking functionality. It is possible to block function outputs, timers or the function itself, if desired.
  • Page 97 Section 4 1MRS757454 D Protection functions A070554 V1 EN Figure 39: Start value behavior with ENA_MULT input activated Phase selection logic If the fault criteria are fulfilled in the level detector, the phase selection logic detects the phase or phases in which the measured current exceeds the setting. If the phase information matches the Num of start phases setting, the phase selection logic activates the timer module.
  • Page 98: Measurement Modes

    Section 4 1MRS757454 D Protection functions reset curve type "Def time reset", the reset time depends on the Reset delay time setting. With the reset curve type "Inverse reset", the reset time depends on the current during the drop-off situation. The START output is deactivated when the reset timer has elapsed.
  • Page 99: Timer Characteristics

    IEEE C37.112 and six with the IEC 60255-3 standard. Two curves follow the special characteristics of ABB praxis and are referred to as RI and RD. In addition to this, a user programmable curve can be used if none of the standard curves are applicable.
  • Page 100: Application

    Section 4 1MRS757454 D Protection functions Operating curve type PHLPTOC PHHPTOC (13) IEC Short Time Inverse (14) IEC Long Time Inverse (15) IEC Definite Time (17) User programmable (18) RI type (19) RD type PHIPTOC supports only definite time characteristic. For a detailed description of timers, see the General function block features...
  • Page 101 Section 4 1MRS757454 D Protection functions clearing two and three-phase short circuits. Therefore, the user can choose how many phases, at minimum, must have currents above the start level for the function to operate. When the number of start-phase settings is set to "1 out of 3", the operation of PHxPTOC is enabled with the presence of high current in one-phase.
  • Page 102 Section 4 1MRS757454 D Protection functions overcurrent and contact based circuit breaker failure protection CCBRBRF is used to confirm the protection scheme in case of circuit breaker malfunction. A070978 V1 EN Figure 40: Example of traditional time selective transformer overcurrent protection The operating times of the main and backup overcurrent protection of the above scheme become quite long, this applies especially in the busbar faults and also in the...
  • Page 103 Section 4 1MRS757454 D Protection functions protection of transformer LV terminals and short lines. The functionality and performance of the proposed overcurrent protections can be summarized as seen in the table. Table 69: Proposed functionality of numerical transformer and busbar overcurrent protection. DT = definite time, IDMT = inverse definite minimum time O/C-stage Operating char.
  • Page 104 Section 4 1MRS757454 D Protection functions The operating times of the time selective stages are very short, because the grading margins between successive protection stages can be kept short. This is mainly due to the advanced measuring principle allowing a certain degree of CT saturation, good operating accuracy and short retardation times of the numerical units.
  • Page 105 Section 4 1MRS757454 D Protection functions A070982 V1 EN Figure 42: Functionality of numerical multiple-stage overcurrent protection The coordination plan is an effective tool to study the operation of time selective operation characteristics. All the points mentioned earlier, required to define the overcurrent protection parameters, can be expressed simultaneously in a coordination plan.
  • Page 106: Signals

    Section 4 1MRS757454 D Protection functions A070984 V2 EN Figure 43: Example coordination of numerical multiple-stage overcurrent protection 4.1.1.8 Signals Table 70: PHLPTOC Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current BLOCK BOOLEAN 0=False...
  • Page 107 Section 4 1MRS757454 D Protection functions Table 72: PHIPTOC Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current BLOCK BOOLEAN 0=False Block signal for activating the blocking mode ENA_MULT BOOLEAN 0=False Enable signal for current multiplier Table 73: PHLPTOC Output signals...
  • Page 108: Settings

    Section 4 1MRS757454 D Protection functions 4.1.1.9 Settings Table 76: PHLPTOC Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.05...5.00 0.01 0.05 Start value Start value Mult 0.8...10.0 Multiplier for scaling the start value Time multiplier 0.05...15.00 0.01 1.00...
  • Page 109 Section 4 1MRS757454 D Protection functions Table 79: PHLPTOC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Minimum operate time 20...60000 Minimum operate time for IDMT curves Reset delay time 0...60000 Reset delay time Measurement mode 1=RMS 2=DFT Selects used measurement mode 2=DFT...
  • Page 110: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 83: PHHPTOC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Minimum operate time 20...60000 Minimum operate time for IDMT curves Reset delay time 0...60000 Reset delay time Measurement mode 1=RMS 2=DFT Selects used measurement mode 2=DFT...
  • Page 111: Technical Data

    Section 4 1MRS757454 D Protection functions Table 88: PHHPTOC Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32 0.00...100.00 Ratio of start time / operate time PHHPTOC Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off Table 89: PHIPTOC Monitored data Name Type Values (Range)
  • Page 112: Technical Revision History

    Section 4 1MRS757454 D Protection functions Characteristic Value Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms Operate time accuracy in inverse time mode ±5.0% of the theoretical value or ±20 ms Suppression of harmonics RMS: No suppression DFT: -50 dB at f = n ×...
  • Page 113: Three-Phase Directional Overcurrent Protection Dphxpdoc

    Section 4 1MRS757454 D Protection functions 4.1.2 Three-phase directional overcurrent protection DPHxPDOC 4.1.2.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Three-phase directional overcurrent DPHLPDOC 3I> -> 67-1 protection, low stage Three-phase directional overcurrent DPHHPDOC 3I>>...
  • Page 114 Section 4 1MRS757454 D Protection functions GUID-C5892F3E-09D9-462E-A963-023EFC18DDE7 V3 EN Figure 45: Functional module diagram Directional calculation The directional calculation compares the current phasors to the polarizing phasor. A suitable polarization quantity can be selected from the different polarization quantities, which are the positive sequence voltage, negative sequence voltage, self- polarizing (faulted) voltage and cross-polarizing voltages (healthy voltages).
  • Page 115 Section 4 1MRS757454 D Protection functions Reliable operation requires both the operating and polarizing quantities to exceed certain minimum amplitude levels. The minimum amplitude level for the operating quantity (current) is set with the Min operate current setting. The minimum amplitude level for the polarizing quantity (voltage) is set with the Min operate voltage setting.
  • Page 116 Section 4 1MRS757454 D Protection functions GUID-718D61B4-DAD0-4F43-8108-86F7B44E7E2D V1 EN Figure 46: Operating zones at minimum magnitude levels Level detector The measured phase currents are compared phasewise to the set Start value. If the measured value exceeds the set Start value, the level detector reports the exceeding of the value to the phase selection logic.
  • Page 117 Section 4 1MRS757454 D Protection functions A070554 V1 EN Figure 47: Start value behavior with ENA_MULT input activated Phase selection logic If the fault criteria are fulfilled in the level detector and the directional calculation, the phase selection logic detects the phase or phases in which the measured current exceeds the setting.
  • Page 118: Measurement Modes

    Section 4 1MRS757454 D Protection functions reset curve type "Def time reset", the reset time depends on the Reset delay time setting. With the reset curve type "Inverse reset", the reset time depends on the current during the drop-off situation. The START output is deactivated when the reset timer has elapsed.
  • Page 119: Directional Overcurrent Characteristics

    Section 4 1MRS757454 D Protection functions Table 95: Measurement modes supported by DPHxPDOC stages Measurement mode DPHLPDOC DPHHPDOC Peak-to-Peak 4.1.2.6 Directional overcurrent characteristics The forward and reverse sectors are defined separately. The forward operation area is limited with the Min forward angle and Max forward angle settings. The reverse operation area is limited with the Min reverse angle and Max reverse angle settings.
  • Page 120 Section 4 1MRS757454 D Protection functions GUID-CD0B7D5A-1F1A-47E6-AF2A-F6F898645640 V2 EN Figure 48: Configurable operating sectors Table 96: Momentary per phase direction value for monitored data view Criterion for per phase direction information The value for DIR_A/_B/_C The ANGLE_X is not in any of the defined sectors, 0 = unknown or the direction cannot be defined due too low amplitude...
  • Page 121 Section 4 1MRS757454 D Protection functions FAULT_DIR gives the detected direction of the fault during fault situations, that is, when the START output is active. Self-polarizing as polarizing method Table 98: Equations for calculating angle difference for self-polarizing method Faulted Used fault Used Angle difference...
  • Page 122 Section 4 1MRS757454 D Protection functions In an example case of a two-phase short-circuit failure where the fault is between phases B and C, the angle difference is measured between the polarizing quantity U and operating quantity I in the self-polarizing method. GUID-65CFEC0E-0367-44FB-A116-057DD29FEB79 V1 EN Figure 50: Two-phase short circuit, short circuit is between phases B and C...
  • Page 123 Section 4 1MRS757454 D Protection functions faulted phase is phase A. The polarizing quantity is rotated with 90 degrees. The characteristic angle is assumed to be ~ 0 degrees. GUID-6C7D1317-89C4-44BE-A1EB-69BC75863474 V1 EN Figure 51: Single-phase earth fault, phase A In an example of the phasors in a two-phase short-circuit failure where the fault is between the phases B and C, the angle difference is measured between the polarizing quantity U and operating quantity I...
  • Page 124 Section 4 1MRS757454 D Protection functions GUID-C2EC2EF1-8A84-4A32-818C-6D7620EA9969 V1 EN Figure 52: Two-phase short circuit, short circuit is between phases B and C The equations are valid when network rotating direction is counter- clockwise, that is, ABC. If the network rotating direction is reversed, 180 degrees is added to the calculated angle difference.
  • Page 125 Section 4 1MRS757454 D Protection functions This means that the actuating polarizing quantity is -U GUID-027DD4B9-5844-4C46-BA9C-54784F2300D3 V2 EN Figure 53: Phasors in a single-phase earth fault, phases A-N, and two-phase short circuit, phases B and C, when the actuating polarizing quantity is the negative-sequence voltage -U2 Positive sequence voltage as polarizing quantity Table 100:...
  • Page 126 Section 4 1MRS757454 D Protection functions -90° GUID-1937EA60-4285-44A7-8A7D-52D7B66FC5A6 V3 EN Figure 54: Phasors in a single-phase earth fault, phase A to ground, and a two- phase short circuit, phases B-C, are short-circuited when the polarizing quantity is the positive-sequence voltage U Network rotation direction Typically, the network rotating direction is counter-clockwise and defined as "ABC".
  • Page 127: Application

    Section 4 1MRS757454 D Protection functions NETWORK ROTATION ABC NETWORK ROTATION ACB GUID-BF32C1D4-ECB5-4E96-A27A-05C637D32C86 V2 EN Figure 55: Examples of network rotating direction 4.1.2.7 Application In radial networks, phase overcurrent protection relays are often sufficient for the short circuit protection of lines, transformers and other equipment. The current-time characteristic should be chosen according to the common practice in the network.
  • Page 128 Section 4 1MRS757454 D Protection functions GUID-1A2BD0AD-B217-46F4-A6B4-6FC6E6256EB3 V2 EN Figure 56: Overcurrent protection of parallel lines using directional protection relays In these applications, there is a possibility that the fault current can also be fed from the LV-side up to the HV-side. Therefore, the transformer is also equipped with directional overcurrent protection.
  • Page 129: Signals

    Section 4 1MRS757454 D Protection functions GUID-276A9D62-BD74-4335-8F20-EC1731B58889 V1 EN Figure 58: Closed ring network topology where feeding lines are protected with directional overcurrent protection relays 4.1.2.8 Signals Table 101: DPHLPDOC Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL...
  • Page 130: Settings

    Section 4 1MRS757454 D Protection functions Table 102: DPHHPDOC Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current SIGNAL Negative phase sequence current U_A_AB SIGNAL Phase-to-earth voltage A or phase-to-phase voltage AB U_B_BC SIGNAL Phase-to-earth voltage B or phase-to-phase...
  • Page 131 Section 4 1MRS757454 D Protection functions Parameter Values (Range) Unit Step Default Description Operating curve type 1=ANSI Ext. inv. 15=IEC Def. Time Selection of time delay curve type 2=ANSI Very inv. 3=ANSI Norm. inv. 4=ANSI Mod. inv. 5=ANSI Def. Time 6=L.T.E.
  • Page 132 Section 4 1MRS757454 D Protection functions Parameter Values (Range) Unit Step Default Description Curve parameter B 0.0000...0.7120 0.1217 Parameter B for customer programmable curve Curve parameter C 0.02...2.00 2.00 Parameter C for customer programmable curve Curve parameter D 0.46...30.00 29.10 Parameter D for customer programmable curve Curve parameter E...
  • Page 133 Section 4 1MRS757454 D Protection functions Table 110: DPHHPDOC Group settings (Advanced) Parameter Values (Range) Unit Step Default Description Type of reset curve 1=Immediate 1=Immediate Selection of reset curve type 2=Def time reset 3=Inverse reset Voltage Mem time 0...3000 Voltage memory time Pol quantity 1=Self pol 5=Cross pol...
  • Page 134: Monitored Data

    Section 4 1MRS757454 D Protection functions 4.1.2.10 Monitored data Table 113: DPHLPDOC Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32 0.00...100.00 Ratio of start time / operate time FAULT_DIR Enum 0=unknown Detected fault direction 1=forward 2=backward 3=both DIRECTION Enum 0=unknown Direction information...
  • Page 135: Technical Data

    Section 4 1MRS757454 D Protection functions Name Type Values (Range) Unit Description DIR_A Enum 0=unknown Direction phase A 1=forward 2=backward -1=both DIR_B Enum 0=unknown Direction phase B 1=forward 2=backward -1=both DIR_C Enum 0=unknown Direction phase C 1=forward 2=backward -1=both ANGLE_A FLOAT32 -180.00...180.00 Calculated angle...
  • Page 136: Technical Revision History

    Section 4 1MRS757454 D Protection functions Characteristic Value Retardation time <35 ms Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms Operate time accuracy in inverse time mode ±5.0% of the theoretical value or ±20 ms Suppression of harmonics DFT: -50 dB at f = n ×...
  • Page 137: Function Block

    Section 4 1MRS757454 D Protection functions 4.1.3.2 Function block A070691 V3 EN Figure 59: Function block 4.1.3.3 Functionality The increased utilization of power systems closer to the thermal limits has generated a need for a thermal overload function for power lines as well. A thermal overload is in some cases not detected by other protection functions, and the introduction of the three-phase thermal protection for feeders, cables and distribution transformers function T1PTTR allows the protected circuit to operate closer to the...
  • Page 138 Section 4 1MRS757454 D Protection functions START Temperature current estimator OPERATE selector Thermal ALARM counter ENA_MULT BLK_CLOSE BLK_OPR AMB_TEMP A070747 V3 EN Figure 60: Functional module diagram Max current selector The max current selector of the function continuously checks the highest measured TRMS phase current value.
  • Page 139 Section 4 1MRS757454 D Protection functions ∆   − τ   Θ Θ Θ − Θ ⋅ − final − −     (Equation 3) A070781 V2 EN Θ calculated present temperature Θ calculated temperature at previous time step Θ...
  • Page 140: Application

    Section 4 1MRS757454 D Protection functions    Θ − Θ final lockout release τ = − ⋅   lockout release   Θ − Θ final   (Equation 5) A070783 V3 EN Here the final temperature is equal to the set or measured ambient temperature. In some applications, the measured current can involve a number of parallel lines.
  • Page 141: Signals

    Section 4 1MRS757454 D Protection functions In stressed situations in the power system, the lines and cables may be required to be overloaded for a limited time. This should be done without any risk for the above- mentioned risks. The thermal overload protection provides information that makes temporary overloading of cables and lines possible.
  • Page 142: Monitored Data

    Section 4 1MRS757454 D Protection functions Parameter Values (Range) Unit Step Default Description Maximum temperature 20.0...200.0 °C 90.0 Temperature level for operate Alarm value 20.0...150.0 °C 80.0 Temperature level for start (alarm) Reclose temperature 20.0...150.0 °C 70.0 Temperature for reset of block reclose after operate Table 121: T1PTTR Group settings (Advanced)
  • Page 143: Technical Data

    Section 4 1MRS757454 D Protection functions 4.1.3.9 Technical data Table 125: T1PTTR Technical data Characteristic Value Operation accuracy Depending on the frequency of the measured current: f ±2 Hz Current measurement: ±1.5% of the set value or ±0.002 × I (at currents in the range of 0.01...4.00 ×...
  • Page 144: Operation Principle

    Section 4 1MRS757454 D Protection functions When the motor is started, a separate function is used for the startup protection, and JAMPTOC is normally blocked during the startup period. When the motor has passed the starting phase, JAMPTOC monitors the magnitude of phase currents. The function starts when the measured current exceeds the breakdown torque level, that is, above the set limit.
  • Page 145: Application

    Section 4 1MRS757454 D Protection functions Blocking logic There are three operation modes in the blocking function. The operation modes are controlled by the BLOCK input and the global setting Configuration/System/ Blocking mode which selects the blocking mode. The BLOCK input can be controlled by a binary input, a horizontal communication input or an internal signal of the protection relay's program.
  • Page 146: Settings

    Section 4 1MRS757454 D Protection functions Table 128: JAMPTOC Output signals Name Type Description OPERATE BOOLEAN Operate 4.1.4.7 Settings Table 129: JAMPTOC Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Start value 0.10...10.00...
  • Page 147: Technical Revision History

    Section 4 1MRS757454 D Protection functions 4.1.4.10 Technical revision history Table 133: JAMPTOC Technical revision history Technical revision Change Internal improvement Internal improvement 4.1.5 Loss of load supervision LOFLPTUC 4.1.5.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Loss of load supervision...
  • Page 148: Application

    Section 4 1MRS757454 D Protection functions GUID-4A6308B8-47E8-498D-A268-1386EBBBEC8F V1 EN Figure 64: Functional module diagram Level detector 1 This module compares the phase currents (RMS value) to the set Start value high setting. If all the phase current values are less than the set Start value high value, the loss of load condition is detected and an enable signal is sent to the timer.
  • Page 149: Signals

    Section 4 1MRS757454 D Protection functions mechanism or harm the personnel handling the machine. Therefore, the motor has to be disconnected from the power supply as soon as the above condition is detected. LOFLPTUC detects the condition by monitoring the current values and helps disconnect the motor from the power supply instantaneously or after a delay according to the requirement.
  • Page 150: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 138: LOFLPTUC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Reset delay time 0...60000 Reset delay time 4.1.5.8 Monitored data Table 139: LOFLPTUC Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32...
  • Page 151: Function Block

    Section 4 1MRS757454 D Protection functions 4.1.6.2 Function block GUID-1EEED1E9-3A6F-4EF3-BDCC-990E648E2E72 V4 EN Figure 65: Function block 4.1.6.3 Functionality The thermal overload protection for motors function MPTTR protects the electric motors from overheating. MPTTR models the thermal behavior of motor on the basis of the measured load current and disconnects the motor when the thermal content reaches 100 percent.
  • Page 152 Section 4 1MRS757454 D Protection functions current selector OPERATE Thermal Alarm and level tripping ALARM calculator logic BLK_RESTART Internal AMB_TEMP calculator START_EMERG BLOCK GUID-1E5F2337-DA4E-4F5B-8BEB-27353A6734DC V2 EN Figure 66: Functional module diagram Max current selector Max current selector selects the highest measured TRMS phase current and reports it to Thermal level calculator.
  • Page 153 Section 4 1MRS757454 D Protection functions Table 142: Modification of internal FLC Ambient Temperature T Internal FLC <20°C FLC x 1.09 20 to <40°C FLC x (1.18 - T x 0.09/20) 40°C >40 to 65°C FLC x (1 –[(T -40)/100]) >65°C FLC x 0.75 The ambient temperature is used for calculating thermal level and it is available in the...
  • Page 154 Section 4 1MRS757454 D Protection functions TRMS value of the measured max of phase currents Current reference , FLC or internal FLC measured negative sequence current Overload factor set value of Negative Seq factor set value of Weighting factor set value of time constant The equation θ...
  • Page 155 Section 4 1MRS757454 D Protection functions Time constant start, Time constant normal and Time constant stop settings. Only one time constant is valid at a time. Table 143: Time constant and the respective phase current values Time constant (tau) in use Phase current Time constant start Any current whose value is over 2.5 x I...
  • Page 156 Section 4 1MRS757454 D Protection functions When the thermal content reaches 100 percent, the OPERATE output is activated. The OPERATE output is deactivated when the value of the measured current falls below 12 percent of Current reference or the thermal content drops below 100 percent. The activation of the BLOCK input blocks the ALARM, BLK_RESTART and OPERATE outputs.
  • Page 157 Section 4 1MRS757454 D Protection functions 3840 1920 GUID-F3D1E6D3-86E9-4C0A-BD43-350003A07292 V1 EN Figure 68: Trip curves when no prior load and p=20...100 %. Overload factor = 1.05. 611 series Technical Manual...
  • Page 158 Section 4 1MRS757454 D Protection functions 3840 1920 160 320 480 640 GUID-44A67C51-E35D-4335-BDBD-5CD0D3F41EF1 V1 EN Figure 69: Trip curves at prior load 1 x FLC and p=100 %, Overload factor = 1.05. 611 series Technical Manual...
  • Page 159 Section 4 1MRS757454 D Protection functions 3840 1920 GUID-5CB18A7C-54FC-4836-9049-0CE926F35ADF V1 EN Figure 70: Trip curves at prior load 1 x FLC and p=50 %. Overload factor = 1.05. 611 series Technical Manual...
  • Page 160: Application

    Section 4 1MRS757454 D Protection functions 4.1.6.5 Application MPTTR is intended to limit the motor thermal level to predetermined values during the abnormal motor operating conditions. This prevents a premature motor insulation failure. The abnormal conditions result in overheating and include overload, stalling, failure to start, high ambient temperature, restricted motor ventilation, reduced speed operation, frequent starting or jogging, high or low line voltage or frequency, mechanical failure of the driven load, improper installation and unbalanced line...
  • Page 161 Section 4 1MRS757454 D Protection functions When protecting the objects without hot spot tendencies, for example motors started with soft starters, and cables, the value of Weighting factor p is set to 100 percent. With the value of Weighting factor p set to 100 percent, the thermal level decreases slowly after a heavy load condition.
  • Page 162 Section 4 1MRS757454 D Protection functions 4000 3000 2000 1000 Cold curve 1.05 GUID-B6F9E655-4FFC-4B06-841A-68DADE785BF2 V1 EN Figure 71: The influence of Weighting factor p at prior load 1xFLC, timeconstant = 640 s, and Overload factor = 1.05 611 series Technical Manual...
  • Page 163 Section 4 1MRS757454 D Protection functions Setting the overload factor The value of Overload factor defines the highest permissible continuous load. The recommended value is 1.05. Setting the negative sequence factor During the unbalance condition, the symmetry of the stator currents is disturbed and a counter-rotating negative sequence component current is set up.
  • Page 164: Signals

    Section 4 1MRS757454 D Protection functions Setting the thermal restart level The restart disable level can be calculated as follows:  startup time of the motor  θ 0 0 % + margin   − ×  operate time when no prior load ...
  • Page 165: Settings

    Section 4 1MRS757454 D Protection functions 4.1.6.7 Settings Table 146: MPTTR Group settings (Basic) Parameter Values (Range) Unit Step Default Description Overload factor 1.00...1.20 0.01 1.05 Overload factor (k) Alarm thermal value 50.0...100.0 95.0 Thermal level above which function gives an alarm Restart thermal Val 20.0...80.0...
  • Page 166: Monitored Data

    Section 4 1MRS757454 D Protection functions 4.1.6.8 Monitored data Table 149: MPTTR Monitored data Name Type Values (Range) Unit Description TEMP_RL FLOAT32 0.00...9.99 The calculated temperature of the protected object relative to the operate level TEMP_AMB FLOAT32 -99...999 °C The ambient temperature used in the calculation THERMLEV_ST FLOAT32...
  • Page 167: Earth-Fault Protection

    Section 4 1MRS757454 D Protection functions Earth-fault protection 4.2.1 Non-directional earth-fault protection EFxPTOC 4.2.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Non-directional earth-fault protection, EFLPTOC Io> 51N-1 low stage Non-directional earth-fault protection, EFHPTOC Io>> 51N-2 high stage Non-directional earth-fault protection,...
  • Page 168: Operation Principle

    Section 4 1MRS757454 D Protection functions 4.2.1.4 Operation principle The function can be enabled and disabled with the Operation setting. The corresponding parameter values are "On" and "Off". The operation of EFxPTOC can be described by using a module diagram. All the modules in the diagram are explained in the next sections.
  • Page 169: Measurement Modes

    Section 4 1MRS757454 D Protection functions timer runs until the set Reset delay time value is exceeded. When the IDMT curves are selected, the Type of reset curve setting can be set to "Immediate", "Def time reset" or "Inverse reset". The reset curve type "Immediate" causes an immediate reset. With the reset curve type "Def time reset", the reset time depends on the Reset delay time setting.
  • Page 170: Timer Characteristics

    IEEE C37.112 and six with the IEC 60255-3 standard. Two curves follow the special characteristics of ABB praxis and are referred to as RI and RD. In addition to this, a user programmable curve can be used if none of the standard curves are applicable.
  • Page 171: Application

    Section 4 1MRS757454 D Protection functions Operating curve type EFLPTOC EFHPTOC (14) IEC Long Time Inverse (15) IEC Definite Time (17) User programmable curve (18) RI type (19) RD type EFIPTOC supports only definite time characteristics. For a detailed description of timers, see the General function block features section in this manual.
  • Page 172: Signals

    Section 4 1MRS757454 D Protection functions EFLPTOC contains several types of time-delay characteristics. EFHPTOC and EFIPTOC are used for fast clearance of serious earth faults. 4.2.1.8 Signals Table 155: EFLPTOC Input signals Name Type Default Description SIGNAL Residual current BLOCK BOOLEAN 0=False Block signal for activating the blocking mode...
  • Page 173: Settings

    Section 4 1MRS757454 D Protection functions 4.2.1.9 Settings Table 161: EFLPTOC Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.010...5.000 0.005 0.010 Start value Start value Mult 0.8...10.0 Multiplier for scaling the start value Time multiplier 0.05...15.00 0.01 1.00...
  • Page 174 Section 4 1MRS757454 D Protection functions Table 164: EFLPTOC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Minimum operate time 20...60000 Minimum operate time for IDMT curves Reset delay time 0...60000 Reset delay time Measurement mode 1=RMS 2=DFT Selects used measurement mode 2=DFT...
  • Page 175: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 168: EFHPTOC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Minimum operate time 20...60000 Minimum operate time for IDMT curves Reset delay time 0...60000 Reset delay time Measurement mode 1=RMS 2=DFT Selects used measurement mode 2=DFT...
  • Page 176: Technical Data

    Section 4 1MRS757454 D Protection functions Table 173: EFHPTOC Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32 0.00...100.00 Ratio of start time / operate time EFHPTOC Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off Table 174: EFIPTOC Monitored data Name Type Values (Range)
  • Page 177: Technical Revision History

    Section 4 1MRS757454 D Protection functions Characteristic Value Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms Operate time accuracy in inverse time mode ±5.0% of the theoretical value or ±20 ms Suppression of harmonics RMS: No suppression DFT: -50 dB at f = n ×...
  • Page 178: Directional Earth-Fault Protection Defxpdef

    Section 4 1MRS757454 D Protection functions Technical revision Change Time Step value changed from 0.05 to 0.01 for the multiplier setting Internal improvement Internal improvement 4.2.2 Directional earth-fault protection DEFxPDEF 4.2.2.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number...
  • Page 179: Operation Principle

    Section 4 1MRS757454 D Protection functions The function contains a blocking functionality. It is possible to block function outputs, timers or the function itself, if desired. 4.2.2.4 Operation principle The function can be enabled and disabled with the Operation setting. The corresponding parameter values are "On"...
  • Page 180 Section 4 1MRS757454 D Protection functions "Measured Io" and "Measured Uo" are selected. The nominal values for residual current and residual voltage are obtained from CT and VT ratios entered in Residual current Io: Configuration/Analog inputs/Current (Io,CT): 100 A : 1 A. The Residual voltage Uo: Configuration/Analog inputs/Voltage (Uo,VT): 11.547 kV : 100 V.
  • Page 181 Section 4 1MRS757454 D Protection functions If Pol quantity is set to "Neg. seq. volt", the negative sequence current and negative sequence voltage are used for directional calculation. In the phasor diagrams representing the operation of DEFxPDEF, the polarity of the polarizing quantity (Uo or U2) is reversed, that is, the polarizing quantity in the phasor diagrams is either -Uo or -U2.
  • Page 182 Section 4 1MRS757454 D Protection functions The network rotating direction is set in the protection relay using the parameter in the HMI menu: Configuration/System/Phase rotation. The default parameter value is "ABC". If the Enable voltage limit setting is set to "True", the magnitude of the polarizing quantity is checked even if Directional mode is set to "Non- directional"...
  • Page 183 Section 4 1MRS757454 D Protection functions Table 180: Monitored data values Monitored data values Description FAULT_DIR The detected direction of fault during fault situations, that is, when START output is active. DIRECTION The momentary operating direction indication output. ANGLE Also called operating angle, shows the angle difference between the polarizing quantity (Uo, ) and operating quantity (Io, I ANGLE_RCA...
  • Page 184: Directional Earth-Fault Principles

    Section 4 1MRS757454 D Protection functions operating curve type is selected, an immediate reset occurs during the drop-off situation. The setting Time multiplier is used for scaling the IDMT operate and reset times. The setting parameter Minimum operate time defines the minimum desired operate time for IDMT.
  • Page 185 Section 4 1MRS757454 D Protection functions positive if the operating current lags the polarizing quantity and negative if it leads the polarizing quantity. Example 1 The "Phase angle" mode is selected, compensated network (φRCA = 0 deg) => Characteristic angle = 0 deg GUID-829C6CEB-19F0-4730-AC98-C5528C35A297 V2 EN Figure 76: Definition of the relay characteristic angle, RCA=0 degrees in a...
  • Page 186 Section 4 1MRS757454 D Protection functions GUID-D72D678C-9C87-4830-BB85-FE00F5EA39C2 V2 EN Figure 77: Definition of the relay characteristic angle, RCA=+60 degrees in a solidly earthed network Example 3 The "Phase angle" mode is selected, isolated network (φRCA = -90 deg) => Characteristic angle = -90 deg 611 series Technical Manual...
  • Page 187 Section 4 1MRS757454 D Protection functions GUID-67BE307E-576A-44A9-B615-2A3B184A410D V2 EN Figure 78: Definition of the relay characteristic angle, RCA=–90 degrees in an isolated network Directional earth-fault protection in an isolated neutral network In isolated networks, there is no intentional connection between the system neutral point and earth.
  • Page 188 Section 4 1MRS757454 D Protection functions A070441 V1 EN Figure 79: Earth-fault situation in an isolated network Directional earth-fault protection in a compensated network In compensated networks, the capacitive fault current and the inductive resonance coil current compensate each other. The protection cannot be based on the reactive current measurement, since the current of the compensation coil would disturb the operation of the protection relays.
  • Page 189 Section 4 1MRS757454 D Protection functions coil in compensated networks. As a result the characteristic angle is set automatically to suit the earthing method used. The RCA_CTL input can be used to change the operation criteria as described in Table 181 Table 182.
  • Page 190: Measurement Modes

    Section 4 1MRS757454 D Protection functions A070443 V3 EN Figure 81: Extended operation area in directional earth-fault protection 4.2.2.6 Measurement modes The function operates on three alternative measurement modes: "RMS", "DFT" and "Peak-to-Peak". The measurement mode is selected with the Measurement mode setting.
  • Page 191: Timer Characteristics

    IEEE C37.112 and six with the IEC 60255-3 standard. Two curves follow the special characteristics of ABB praxis and are referred to as RI and RD. In addition to this, a user programmable curve can be used if none of the standard curves are applicable.
  • Page 192: Directional Earth-Fault Characteristics

    Section 4 1MRS757454 D Protection functions Table 185: Reset time characteristics supported by different stages Reset curve type DEFLPDEF DEFHPDEF Note (1) Immediate Available for all operate time curves (2) Def time reset Available for all operate time curves (3) Inverse reset Available only for ANSI and user programmable curves 4.2.2.8...
  • Page 193 Section 4 1MRS757454 D Protection functions GUID-92004AD5-05AA-4306-9574-9ED8D51524B4 V2 EN Figure 82: Configurable operating sectors in phase angle characteristic Table 186: Momentary operating direction Fault direction The value for DIRECTION Angle between the polarizing and operating 0 = unknown quantity is not in any of the defined sectors. Angle between the polarizing and operating 1= forward quantity is in the forward sector.
  • Page 194 Section 4 1MRS757454 D Protection functions to operate in the directional mode as non-directional, since the directional information is invalid. Iosin(φ) and Iocos(φ) criteria A more modern approach to directional protection is the active or reactive current measurement. The operating characteristic of the directional operation depends on the earthing principle of the network.
  • Page 195 Section 4 1MRS757454 D Protection functions Iosin(φ) criterion selected, forward-type fault => FAULT_DIR = 1 GUID-560EFC3C-34BF-4852-BF8C-E3A2A7750275 V2 EN Figure 83: Operating characteristic Iosin(φ) in forward fault The operating sector is limited by angle correction, that is, the operating sector is 180 degrees - 2*(angle correction).
  • Page 196 Section 4 1MRS757454 D Protection functions GUID-10A890BE-8C81-45B2-9299-77DD764171E1 V2 EN Figure 84: Operating characteristic Iosin(φ) in reverse fault Example 3. Iocos(φ) criterion selected, forward-type fault => FAULT_DIR = 1 GUID-11E40C1F-6245-4532-9199-2E2F1D9B45E4 V2 EN Figure 85: Operating characteristic Iocos(φ) in forward fault Example 4. 611 series Technical Manual...
  • Page 197 Section 4 1MRS757454 D Protection functions Iocos(φ) criterion selected, reverse-type fault => FAULT_DIR = 2 GUID-54ACB854-F11D-4AF2-8BDB-69E5F6C13EF1 V2 EN Figure 86: Operating characteristic Iocos(φ) in reverse fault Phase angle 80 The operation criterion phase angle 80 is selected with the Operation mode setting by using the value "Phase angle 80".
  • Page 198 Section 4 1MRS757454 D Protection functions GUID-EFC9438D-9169-4733-9BE9-6B343F37001A V2 EN Figure 87: Operating characteristic for phase angle 80 Io / % of I Min forward angle 80 deg Operating zone 3% of In 70 deg Non- 1% of In operating zone GUID-49D23ADF-4DA0-4F7A-8020-757F32928E60 V2 EN Figure 88: Phase angle 80 amplitude (Directional mode = Forward)
  • Page 199 Section 4 1MRS757454 D Protection functions Phase angle 88 implements the same functionality as the phase angle but with the following differences: • The Max forward angle and Max reverse angle settings cannot be set but they have a fixed value of 88 degrees •...
  • Page 200: Application

    Section 4 1MRS757454 D Protection functions Io / % of I 88 deg 100% of In Min forward angle 85 deg 20% of In 73 deg 1% of In GUID-F9F1619D-E1B5-4650-A5CB-B62A7F6B0A90 V2 EN Figure 90: Phase angle 88 amplitude (Directional mode = Forward) 4.2.2.9 Application The directional earth-fault protection DEFxPDEF is designed for protection and...
  • Page 201 Section 4 1MRS757454 D Protection functions same when the resonance coil is disconnected from between the neutral point and earth. System neutral earthing is meant to protect personnel and equipment and to reduce interference for example in telecommunication systems. The neutral earthing sets challenges for protection systems, especially for earth-fault protection.
  • Page 202: Signals

    Section 4 1MRS757454 D Protection functions core balance current transformers. The following figure describes how measuring transformers can be connected to the protection relay. A070697 V2 EN Figure 91: Connection of measuring transformers 4.2.2.10 Signals Table 188: DEFLPDEF Input signals Name Type Default...
  • Page 203: Settings

    Section 4 1MRS757454 D Protection functions Table 190: DEFLPDEF Output signals Name Type Description OPERATE BOOLEAN Operate START BOOLEAN Start Table 191: DEFHPDEF Output signals Name Type Description OPERATE BOOLEAN Operate START BOOLEAN Start 4.2.2.11 Settings Table 192: DEFLPDEF Group settings (Basic) Parameter Values (Range) Unit...
  • Page 204 Section 4 1MRS757454 D Protection functions Table 193: DEFLPDEF Group settings (Advanced) Parameter Values (Range) Unit Step Default Description Type of reset curve 1=Immediate 1=Immediate Selection of reset curve type 2=Def time reset 3=Inverse reset Operation mode 1=Phase angle 1=Phase angle Operation criteria 2=IoSin 3=IoCos...
  • Page 205 Section 4 1MRS757454 D Protection functions Table 196: DEFHPDEF Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.10...40.00 0.01 0.10 Start value Start value Mult 0.8...10.0 Multiplier for scaling the start value Directional mode 1=Non-directional 2=Forward Directional mode 2=Forward 3=Reverse...
  • Page 206: Monitored Data

    Section 4 1MRS757454 D Protection functions Parameter Values (Range) Unit Step Default Description Curve parameter C 0.02...2.00 2.00 Parameter C for customer programmable curve Curve parameter D 0.46...30.00 29.10 Parameter D for customer programmable curve Curve parameter E 0.0...1.0 Parameter E for customer programmable curve Table 199: DEFHPDEF Non group settings (Advanced)
  • Page 207 Section 4 1MRS757454 D Protection functions Name Type Values (Range) Unit Description ANGLE FLOAT32 -180.00...180.00 Angle between polarizing and operating quantity I_OPER FLOAT32 0.00...40.00 Calculated operating current DEFLPDEF Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off Table 201: DEFHPDEF Monitored data Name Type Values (Range)
  • Page 208: Technical Data

    Section 4 1MRS757454 D Protection functions 4.2.2.13 Technical data Table 202: DEFxPDEF Technical data Characteristic Value Operation accuracy Depending on the frequency of the measured current: f ±2 Hz DEFLPDEF Current: ±1.5% of the set value or ±0.002 × I Voltage ±1.5% of the set value or ±0.002 ×...
  • Page 209: Technical Revision History

    Section 4 1MRS757454 D Protection functions 4.2.2.14 Technical revision history Table 203: DEFHPDEF Technical revision history Technical revision Change Maximum value changed to 180 deg for the forward angle setting Added a setting parameter for the "Measured Io" or "Calculated Io" selection and setting parameter for the "Measured Uo", "Calculated Uo"...
  • Page 210: Function Block

    Section 4 1MRS757454 D Protection functions 4.2.3.2 Function block A070663 V2 EN Figure 92: Function block 4.2.3.3 Functionality The transient/intermittent earth-fault protection function INTRPTEF is a function designed for the protection and clearance of permanent and intermittent earth faults in distribution and sub-transmission networks.
  • Page 211 Section 4 1MRS757454 D Protection functions for Uo-channel is given in the global setting Configuration/Analog inputs/Voltage (Uo,VT). If "Calculated Uo" is selected, the voltage ratio is obtained from phase- voltage channels given in the global setting Configuration/Analog inputs/Voltage (3U,VT). Example 1: Uo is measured from open-delta connected VTs (20/sqrt(3) kV : 100/ sqrt(3) V : 100/3 V).
  • Page 212 Section 4 1MRS757454 D Protection functions To satisfy the sensitivity requirements, basic earth-fault protection (based on fundamental frequency phasors) should always be used in parallel with the INTRPTEF function. The Fault indication logic module determines the direction of the fault. The fault direction determination is secured by multi-frequency neutral admittance measurement and special filtering techniques.
  • Page 213 Section 4 1MRS757454 D Protection functions GUID-BE2849D3-015B-4A05-85EF-FD7E8EF29CA3 V1 EN Figure 94: Example of INTRPTEF operation in ”Transient EF” mode in the faulty feeder In the "Intermittent EF" mode the OPERATE output is activated when the following conditions are fulfilled: • the number of transients that have been detected exceeds the Peak counter limit setting •...
  • Page 214 Section 4 1MRS757454 D Protection functions GUID-27C77008-B292-4112-9CF6-4B95EE19B9EC V1 EN Figure 95: Example of INTRPTEF operation in ”Intermittent EF” mode in the faulty feeder, Peak counter limit=3 The timer calculates the start duration value START_DUR which indicates the percentage ratio of the start situation and the set operating time. The value is available in the monitored data view.
  • Page 215: Application

    Section 4 1MRS757454 D Protection functions function is blocked and the timers are reset. In the "Block OPERATE output" mode, the function operates normally but the OPERATE output is not activated. 4.2.3.5 Application INTRPTEF is an earth-fault function dedicated to operate in intermittent and permanent earth faults occurring in distribution and sub-transmission networks.
  • Page 216: Signals

    Section 4 1MRS757454 D Protection functions Earth-fault transients In general, earth faults generate transients in currents and voltages. There are several factors that affect the magnitude and frequency of these transients, such as the fault moment on the voltage wave, fault location, fault resistance and the parameters of the feeders and the supplying transformers.
  • Page 217: Settings

    Section 4 1MRS757454 D Protection functions 4.2.3.7 Settings Table 207: INTRPTEF Group settings (Basic) Parameter Values (Range) Unit Step Default Description Directional mode 1=Non-directional 2=Forward Directional mode 2=Forward 3=Reverse Operate delay time 40...1200000 Operate delay time Voltage start value 0.05...0.50 0.01 0.20 Voltage start value...
  • Page 218: Technical Data

    Section 4 1MRS757454 D Protection functions 4.2.3.9 Technical data Table 211: INTRPTEF Technical data Characteristic Value Operation accuracy (Uo criteria with transient Depending on the frequency of the measured protection) current: f ±2 Hz ±1.5% of the set value or ±0.002 × Uo Operate time accuracy ±1.0% of the set value or ±20 ms Suppression of harmonics...
  • Page 219: Function Block

    Section 4 1MRS757454 D Protection functions 4.3.1.2 Function block GUID-A8C4ADB7-8892-422F-8B00-873C47A66A3E V1 EN Figure 98: Function block 4.3.1.3 Functionality The high-impedance differential protection function HIxPDIF is a general differential protection. It provides a phase-segregated short circuit protection for the busbar. However, the function can also be used for providing generator, motor, transformer and reactor protection.
  • Page 220 Section 4 1MRS757454 D Protection functions GUID-89207322-ADEC-4927-9402-72C112CC7C7C V2 EN Figure 99: Functional module diagram The module diagram illustrates all the phases of the function. Functionality for phases A, B and C is identical. All three phases have independent settings. Level detector The module compares differential currents I_A calculated by the peak-to-peak measurement mode to the set Operate value.
  • Page 221: Application

    Section 4 1MRS757454 D Protection functions Timer calculates the start duration START_DUR value, which indicates the percentage ratio of the start situation and the set operating time. The value is available in the Monitored data view. The activation of the BLOCK input resets Timer and deactivates the START and OPERATE outputs.
  • Page 222 Section 4 1MRS757454 D Protection functions GUID-1AB5D686-3B9C-413F-9D0A-215BFCA224B4 V1 EN Figure 100: Phase-segregated bus differential protection based on high- impedance principle CT secondary winding resistances (R ) and connection wire resistances (R /2) are also shown in Figure 101. Figure 101 demonstrates a simplified circuit consisting only of one incoming and outgoing feeder.
  • Page 223 Section 4 1MRS757454 D Protection functions GUID-AE532349-F4F6-4FF9-8A98-0C862162E208 V1 EN Figure 101: Equivalent circuit when there is no fault or CT saturation When there is no fault, the CT secondary currents and their emf voltages, E and E are opposite and the protection relay measuring branch has no voltage or current. If an in-zone fault occurs, the secondary currents have the same direction.
  • Page 224 Section 4 1MRS757454 D Protection functions Figure 103 shows CT saturation at a through-fault, that is, out-of-zone, situation. The magnetization impedance of a saturated CT is almost zero. The saturated CT winding can be presented as a short circuit. When one CT is saturated, the current of the non- saturated CT follows two paths, one through the protection relay measuring branch + relay) and the other through the saturated CT (R The protection relay must not operate during the saturation.
  • Page 225 Section 4 1MRS757454 D Protection functions GUID-D8F15382-5E3F-4371-B2AD-936D72941803 V1 EN Figure 104: Secondary waveform of a saturated CT The secondary circuit voltage can easily exceed the isolation voltage of the CTs, connection wires and the protection relay because of the stabilizing resistance and CT saturation.
  • Page 226 Section 4 1MRS757454 D Protection functions GUID-C5514DFD-9FE8-4BF7-93D8-14186867D0F8 V1 EN Figure 105: Phase-segregated single busbar protection employing high- impedance differential protection Figure 106 shows an example for a system consisting of two busbar section coupled with a bus coupler. Each busbar section consists of two feeders and both sections are provided with a separate differential protection to form different zones.
  • Page 227: Example Calculations For Busbar High-Impedance Differential Protection

    Section 4 1MRS757454 D Protection functions in any busbar section, the difference current is no longer zero and the protection operates. GUID-5F359CB5-4F4F-4803-B5B5-6859F1CB17F5 V1 EN Figure 106: Differential protection on busbar with bus coupler (Single-phase representation) 4.3.1.6 Example calculations for busbar high-impedance differential protection The protected object in the example for busbar differential protection is a single-bus system with two zones of protection.
  • Page 228 Section 4 1MRS757454 D Protection functions GUID-A96D78E5-0D17-4CE7-818F-6CB804C7078D V1 EN Figure 107: Example for busbar differential protection Bus data: 20 kV 2000 A 25 kA kmax 10 feeders per protected zone including bus coupler and incomer. CT data is assumed to be: 2000/1 A 15.75 Ω...
  • Page 229 Section 4 1MRS757454 D Protection functions The stabilizing voltage is calculated using the formula: 25000 15 75 209 37 Ω Ω ≈ 2000 (Equation 13) GUID-3911986B-6B0A-4586-BDB7-E7F685E8FF0A V1 EN In this case, the requirement for the current transformer knee point voltage is fulfilled because U >...
  • Page 230: Signals

    Section 4 1MRS757454 D Protection functions Based on Equation 21 Equation 22, the need for voltage-dependent resistor is checked. 25000 5900 15 75 1 00 74 0 Ω Ω Ω ≈ 2000 (Equation 21) GUID-1B91F8BF-62F5-4FE6-A4B4-4FE3AA3DB969 V1 EN ˘ 2 436 74000 16 0 = ⋅...
  • Page 231: Settings

    Section 4 1MRS757454 D Protection functions Table 216: HIAPDIF Output signals Name Type Description OPERATE BOOLEAN Operate START BOOLEAN Start Table 217: HIBPDIF Output signals Name Type Description OPERATE BOOLEAN Operate START BOOLEAN Start Table 218: HICPDIF Output signals Name Type Description OPERATE...
  • Page 232: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 223: HIBPDIF Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Table 224: HIBPDIF Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Reset delay time...
  • Page 233: Technical Data

    Section 4 1MRS757454 D Protection functions Table 229: HIBPDIF Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32 0.00...100.00 Ratio of start time / operate time HIBPDIF Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off Table 230: HICPDIF Monitored data Name Type Values (Range)
  • Page 234: Unbalance Protection

    Section 4 1MRS757454 D Protection functions Unbalance protection 4.4.1 Negative-sequence overcurrent protection NSPTOC 4.4.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Negative-sequence overcurrent NSPTOC I2> protection 4.4.1.2 Function block A070758 V1 EN Figure 108: Function block 4.4.1.3 Functionality...
  • Page 235 Section 4 1MRS757454 D Protection functions The operation of NSPTOC can be described using a module diagram. All the modules in the diagram are explained in the next sections. A070660 V1 EN Figure 109: Functional module diagram Level detector The measured negative-sequence current is compared to the set Start value. If the measured value exceeds the set Start value, the level detector activates the timer module.
  • Page 236: Application

    Section 4 1MRS757454 D Protection functions The "Inverse reset" selection is only supported with ANSI or user programmable types of the IDMT operating curves. If another operating curve type is selected, an immediate reset occurs during the drop-off situation. The setting Time multiplier is used for scaling the IDMT operate and reset times. The setting parameter Minimum operate time defines the minimum desired operate time for IDMT.
  • Page 237: Signals

    Section 4 1MRS757454 D Protection functions occurs on the wye-connected side of the power transformer, negative sequence current quantities appear on the delta-connected side of the power transformer. The most common application for the negative sequence overcurrent protection is probably rotating machines, where negative sequence current quantities indicate unbalanced loading conditions (unsymmetrical voltages).
  • Page 238: Settings

    Section 4 1MRS757454 D Protection functions 4.4.1.7 Settings Table 235: NSPTOC Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.01...5.00 0.01 0.30 Start value Start value Mult 0.8...10.0 Multiplier for scaling the start value Time multiplier 0.05...15.00 0.01 1.00...
  • Page 239: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 238: NSPTOC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Minimum operate time 20...60000 Minimum operate time for IDMT curves Reset delay time 0...60000 Reset delay time 4.4.1.8 Monitored data Table 239: NSPTOC Monitored data Name...
  • Page 240: Technical Revision History

    Section 4 1MRS757454 D Protection functions 4.4.1.10 Technical revision history Table 241: NSPTOC Technical revision history Technical revision Change Minimum and default values changed to 40 ms for Operate delay time setting Time Step value changed from 0.05 to 0.01 for the multiplier setting Internal improvement Internal Improvements...
  • Page 241 Section 4 1MRS757454 D Protection functions The operation of PDNSPTOC can be described by using a module diagram. All the modules in the diagram are explained in the next sections. A070687 V2 EN Figure 111: Functional module diagram The I module calculates the ratio of the negative and positive sequence current.
  • Page 242: Application

    Section 4 1MRS757454 D Protection functions protection relay's program. The influence of the BLOCK signal activation is preselected with the global setting Blocking mode. The Blocking mode setting has three blocking methods. In the "Freeze timers" mode, the operation timer is frozen to the prevailing value, but the OPERATE output is not deactivated when blocking is activated.
  • Page 243: Signals

    Section 4 1MRS757454 D Protection functions IECA070698 V1 EN Figure 113: Three-phase current quantities during the broken conductor fault in phase A with the ratio of negative-sequence and positive-sequence currents 4.4.2.6 Signals Table 242: PDNSPTOC Input signals Name Type Default Description SIGNAL Positive sequence current...
  • Page 244: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 245: PDNSPTOC Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Table 246: PDNSPTOC Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Reset delay time...
  • Page 245: Technical Revision History

    Section 4 1MRS757454 D Protection functions 4.4.2.10 Technical revision history Table 249: PDNSPTOC Technical revision history Technical revision Change Internal improvement Internal improvement Internal improvement 4.4.3 Phase reversal protection PREVPTOC 4.4.3.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number...
  • Page 246: Application

    Section 4 1MRS757454 D Protection functions The operation of PREVPTOC can be described with a module diagram. All the modules in the diagram are explained in the next sections. GUID-F0B4B5EF-8B3C-4967-9818-24DACE686FC8 V1 EN Figure 115: Functional module diagram Level detector The level detector compares the negative-sequence current to the set Start value. If the value exceeds the set Start value, the level detector sends an enabling signal to the timer module.
  • Page 247: Signals

    Section 4 1MRS757454 D Protection functions 4.4.3.6 Signals Table 250: PREVPTOC Input signals Name Type Default Description SIGNAL Negative sequence current BLOCK BOOLEAN 0=False Block signal for activating the blocking mode Table 251: PREVPTOC Output signals Name Type Description OPERATE BOOLEAN Operate START...
  • Page 248: Technical Data

    Section 4 1MRS757454 D Protection functions 4.4.3.9 Technical data Table 255: PREVPTOC Technical data Characteristic Value Operation accuracy Depending on the frequency of the measured current: f ±2 Hz ±1.5% of the set value or ±0.002 × I Minimum Typical Maximum 1)2) Start time...
  • Page 249: Functionality

    Section 4 1MRS757454 D Protection functions 4.4.4.3 Functionality The negative-sequence overcurrent protection for machines function MNSPTOC protects electric motors from phase unbalance. A small voltage unbalance can produce a large negative-sequence current flow in the motor. For example, a 5 percent voltage unbalance produces a stator negative-sequence current of 30 percent of the full load current, which can severely heat the motor.
  • Page 250: Timer Characteristics

    Section 4 1MRS757454 D Protection functions For the IDMT curves, it is possible to define minimum and maximum operate times with the Minimum operate time and Maximum operate time settings. The Machine time Mult setting parameter corresponds to the machine constant, equal to the I constant of the machine, as stated by the machine manufacturer.
  • Page 251 Section 4 1MRS757454 D Protection functions Inv. curve A The inverse time equation for curve type A is:       (Equation 26) GUID-D8A4A304-6C63-4BA4-BAEA-E7891504557A V1 EN t[s] Operate time in seconds Machine time Mult Negative-sequence current Rated current 611 series Technical Manual...
  • Page 252 Section 4 1MRS757454 D Protection functions GUID-F0214060-11E8-42F7-B3B9-AF5AC08A1079 V1 EN Figure 118: MNSPTOC Inverse Curve A If the negative sequence current drops below the Start value setting, the reset time is defined as:   = ×     (Equation 27) GUID-8BE4B6AC-FB61-4D30-B77B-3E599D5BAE81 V1 EN t[s] Reset time in seconds...
  • Page 253 Section 4 1MRS757454 D Protection functions When the reset period is initiated, the time for which START has been active is saved. If the fault reoccurs, that is, the negative-sequence current rises above the set value during the reset period, the operate calculations are continued using the saved values. If the reset period elapses without a fault being detected, the operate timer is reset and the saved values of start time and integration are cleared.
  • Page 254 Section 4 1MRS757454 D Protection functions GUID-C536DD76-70FA-49CF-9D0B-F14CA76873D0 V1 EN Figure 119: MNSPTOC Inverse Curve B If the fault disappears, the negative-sequence current drops below the Start value setting and the START output is deactivated. The function does not reset instantaneously. Resetting depends on the equation or the Cooling time setting. The timer is reset in two ways: •...
  • Page 255: Application

    Section 4 1MRS757454 D Protection functions depends on the value of the negative-sequence current. If the sum reaches zero without a fault being detected, the accumulation stops and the timer is reset. • If the reset time set through the Cooling time setting elapses without a fault being detected, the timer is reset.
  • Page 256: Settings

    Section 4 1MRS757454 D Protection functions Table 258: MNSPTOC Output signals Name Type Description OPERATE BOOLEAN Operate START BOOLEAN Start BLK_RESTART BOOLEAN Overheated machine reconnection blocking 4.4.4.8 Settings Table 259: MNSPTOC Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.01...0.50...
  • Page 257: Monitored Data

    Section 4 1MRS757454 D Protection functions 4.4.4.9 Monitored data Table 262: MNSPTOC Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32 0.00...100.00 Ratio of start time / operate time T_ENARESTART INT32 0...10000 Estimated time to reset of block restart MNSPTOC Enum 1=on...
  • Page 258: Voltage Protection

    Section 4 1MRS757454 D Protection functions Voltage protection 4.5.1 Three-phase overvoltage protection PHPTOV 4.5.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Three-phase overvoltage protection PHPTOV 3U> 4.5.1.2 Function block GUID-871D07D7-B690-48FD-8EA1-73A7169AE8BD V2 EN Figure 120: Function block 4.5.1.3 Functionality...
  • Page 259 Section 4 1MRS757454 D Protection functions Timer U_A_AB Phase Level U_B_BC selection OPERATE detector U_C_CA logic START Blocking BLOCK logic GUID-D71B1772-3503-4150-B3FE-6FFD92DE5DB7 V2 EN Figure 121: Functional module diagram Level detector The fundamental frequency component of the measured three-phase voltages are compared phase-wise to the set value of the Start value setting.
  • Page 260 Section 4 1MRS757454 D Protection functions When the operation timer has reached the value set by Operate delay time in the DT mode or the maximum value defined by the IDMT, the OPERATE output is activated. When the user-programmable IDMT curve is selected, the operate time characteristics are defined by the parameters Curve parameter A, Curve parameter B, Curve parameter C, Curve parameter D and Curve parameter E.
  • Page 261 Section 4 1MRS757454 D Protection functions GUID-543D302D-0B91-4692-BAFE-4AB7B8BA08B6 V1 EN Figure 122: Behavior of different IDMT reset modes. Operate signal is based on settings Type of reset curve = “Def time reset” and Type of time reset= “Freeze Op timer”. The effect of other reset modes is also presented The Time multiplier setting is used for scaling the IDMT operate times.
  • Page 262: Timer Characteristics

    Section 4 1MRS757454 D Protection functions see the IDMT curves for overvoltage protection section in this manual. The Timer calculates the start duration value START_DUR, which indicates the percentage ratio of the start situation and the set operation time. The value is available in the Monitored data view.
  • Page 263: Signals

    Section 4 1MRS757454 D Protection functions The power frequency overvoltage may occur in the network due to contingencies such • The defective operation of the automatic voltage regulator when the generator is in isolated operation. • Operation under manual control with the voltage regulator out of service. A sudden variation of load, in particular the reactive power component, gives rise to a substantial change in voltage because of the inherent large voltage regulation of a typical alternator.
  • Page 264: Settings

    Section 4 1MRS757454 D Protection functions 4.5.1.8 Settings Table 269: PHPTOV Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.05...1.60 0.01 1.10 Start value Time multiplier 0.05...15.00 0.01 1.00 Time multiplier in IEC/ANSI IDMT curves Operate delay time 40...300000 Operate delay time Operating curve type...
  • Page 265: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 272: PHPTOV Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Minimum operate time 40...60000 Minimum operate time for IDMT curves Reset delay time 0...60000 Reset delay time Curve Sat Relative 0.0...10.0 Tuning parameter to avoid curve discontinuities...
  • Page 266: Technical Revision History

    Section 4 1MRS757454 D Protection functions 4.5.1.11 Technical revision history Table 275: PHPTOV Technical revision history Technical revision Change Time Step value changed from 0.05 to 0.01 for the multiplier setting. Curve Sat relative max range widened from 3.0 to 10.0 % and default value changed from 2.0 to 0.0 %.
  • Page 267 Section 4 1MRS757454 D Protection functions GUID-21DCE3FD-C5A0-471A-AB93-DDAB4AE93116 V1 EN Figure 124: Functional module diagram Level detector The fundamental frequency component of the measured three phase voltages are compared phase-wise to the set Start value. If the measured value is lower than the set value of the Start value setting, the level detector enables the phase selection logic module.
  • Page 268 Section 4 1MRS757454 D Protection functions Timer Once activated, the Timer activates the START output. Depending on the value of the set Operating curve type, the time characteristics are selected according to DT or IDMT. For a detailed description of the voltage IDMT curves, see the IDMT curves for under voltage protection section in this manual.
  • Page 269 Section 4 1MRS757454 D Protection functions GUID-17E4650D-ADFD-408E-B699-00CBA1E934B8 V1 EN Figure 125: Behavior of different IDMT reset modes. Operate signal is based on settings Type of reset curve = “Def time reset” and Type of time reset= “Freeze Op timer”. The effect of other reset modes is also presented The Time multiplier setting is used for scaling the IDMT operate times.
  • Page 270: Timer Characteristics

    Section 4 1MRS757454 D Protection functions The Timer calculates the start duration value START_DUR, which indicates the percentage ratio of the start situation and the set operation time. The value is available in the Monitored data view. Blocking logic There are three operation modes in the blocking function. The operation modes are controlled by the BLOCK input and the global setting in Configuration/System/ Blocking mode which selects the blocking mode.
  • Page 271: Signals

    Section 4 1MRS757454 D Protection functions PHPTUV can be used to disconnect from the network devices, such as electric motors, which are damaged when subjected to service under low voltage conditions. PHPTUV deals with low voltage conditions at power system frequency. Low voltage conditions can be caused by: •...
  • Page 272 Section 4 1MRS757454 D Protection functions Table 281: PHPTUV Group settings (Advanced) Parameter Values (Range) Unit Step Default Description Type of reset curve 1=Immediate 1=Immediate Selection of reset curve type 2=Def time reset Type of time reset 1=Freeze Op timer 1=Freeze Op timer Selection of time reset 2=Decrease Op...
  • Page 273: Monitored Data

    Section 4 1MRS757454 D Protection functions 4.5.2.9 Monitored data Table 284: PHPTUV Monitored data Name Type Values (Range) Unit Description START_DUR FLOAT32 0.00...100.00 Ratio of start time / operate time PHPTUV Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off 4.5.2.10 Technical data Table 285: PHPTUV Technical data Characteristic...
  • Page 274: Residual Overvoltage Protection Rovptov

    Section 4 1MRS757454 D Protection functions 4.5.3 Residual overvoltage protection ROVPTOV 4.5.3.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Residual overvoltage protection ROVPTOV Uo> 4.5.3.2 Function block A070766 V3 EN Figure 126: Function block 4.5.3.3 Functionality The residual overvoltage protection function ROVPTOV is used in distribution...
  • Page 275 Section 4 1MRS757454 D Protection functions Level detector The residual voltage is compared to the set Start value. If the value exceeds the set Start value, the level detector sends an enable signal to the timer. The residual voltage can be selected with the Uo signal Sel setting. The options are "Measured Uo" and "Calculated Uo".
  • Page 276: Application

    Section 4 1MRS757454 D Protection functions protection relay's program. The influence of the BLOCK signal activation is preselected with the global setting Blocking mode. The Blocking mode setting has three blocking methods. In the "Freeze timers" mode, the operation timer is frozen to the prevailing value, but the OPERATE output is not deactivated when blocking is activated.
  • Page 277: Settings

    Section 4 1MRS757454 D Protection functions 4.5.3.7 Settings Table 289: ROVPTOV Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.010...1.000 0.001 0.030 Residual overvoltage start value Operate delay time 40...300000 Operate delay time Table 290: ROVPTOV Non group settings (Basic) Parameter Values (Range) Unit...
  • Page 278: Technical Revision History

    Section 4 1MRS757454 D Protection functions Characteristic Value Retardation time <35 ms Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms Suppression of harmonics DFT: -50 dB at f = n × f , where n = 2, 3, 4, 5,… 1) Residual voltage before fault = 0.0 ×...
  • Page 279: Operation Principle

    Section 4 1MRS757454 D Protection functions 4.5.4.4 Operation principle The function can be enabled and disabled with the Operation setting. The corresponding parameter values are "On" and "Off". The operation of NSPTOV can be described using a module diagram. All the modules in the diagram are explained in the next sections.
  • Page 280: Application

    Section 4 1MRS757454 D Protection functions 4.5.4.5 Application A continuous or temporary voltage unbalance can appear in the network for various reasons. The voltage unbalance mainly occurs due to broken conductors or asymmetrical loads and is characterized by the appearance of a negative-sequence component of the voltage.
  • Page 281: Settings

    Section 4 1MRS757454 D Protection functions Table 296: NSPTOV Output signals Name Type Description OPERATE BOOLEAN Operate START BOOLEAN Start 4.5.4.7 Settings Table 297: NSPTOV Group settings (Basic) Parameter Values (Range) Unit Step Default Description Start value 0.010...1.000 0.001 0.030 Start value Operate delay time 40...120000...
  • Page 282: Technical Data

    Section 4 1MRS757454 D Protection functions 4.5.4.9 Technical data Table 301: NSPTOV Technical data Characteristic Value Operation accuracy Depending on the frequency of the voltage measured: f ±2 Hz ±1.5% of the set value or ±0.002 × U Minimum Typical Maximum 1)2) Start time...
  • Page 283: Function Block

    Section 4 1MRS757454 D Protection functions 4.5.5.2 Function block GUID-24EBDE8B-E1FE-47B0-878B-EBEC13A27CAC V1 EN Figure 130: Function block 4.5.5.3 Functionality The positive-sequence undervoltage protection function PSPTUV is used to detect positive-sequence undervoltage conditions. PSPTUV is used for the protection of small power generation plants. The function helps in isolating an embedded plant from a fault line when the fault current fed by the plant is too low to start an overcurrent function but high enough to maintain the arc.
  • Page 284: Application

    Section 4 1MRS757454 D Protection functions input signal slightly varies from the Start value setting. After leaving the hysteresis area, the start condition has to be fulfilled again and it is not sufficient for the signal to only return to the hysteresis area. Timer Once activated, the timer activates the START output.
  • Page 285: Signals

    Section 4 1MRS757454 D Protection functions detecting the risk of loss of synchronism than, for example, the lowest phase-to-phase voltage. Analyzing the loss of synchronism of a generator is rather complicated and requires a model of the generator with its prime mover and controllers. The generator can be able to operate synchronously even if the voltage drops by a few tens of percent for some hundreds of milliseconds.
  • Page 286: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 306: PSPTUV Group settings (Advanced) Parameter Values (Range) Unit Step Default Description Voltage block value 0.01...1.00 0.01 0.20 Internal blocking level Enable block value 0=False 1=True Enable Internal Blocking 1=True Table 307: PSPTUV Non group settings (Basic) Parameter Values (Range) Unit...
  • Page 287: Technical Revision History

    Section 4 1MRS757454 D Protection functions Characteristic Value Retardation time <35 ms Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms Suppression of harmonics DFT: -50 dB at f = n × f , where n = 2, 3, 4, 5,… Start value = 1.0 ×...
  • Page 288: Operation Principle

    Section 4 1MRS757454 D Protection functions The function provides basic overfrequency, underfrequency and frequency rate-of- change protection. Additionally, it is possible to use combined criteria to achieve even more sophisticated protection schemes for the system. The function contains a blocking functionality. It is possible to block function outputs, timer or the function itself, if desired.
  • Page 289 Section 4 1MRS757454 D Protection functions the set Start value df/dt value, the module reports the exceeding of the value to the operate logic module. The protection relay does not accept the set value "0.00" for the Start value df/dt setting. Operate logic This module is used for combining different protection criteria based on the frequency and the frequency gradient measurement to achieve a more sophisticated behavior of...
  • Page 290 Section 4 1MRS757454 D Protection functions Operation mode Description Freq< + df/dt A consecutive operation is enabled between the protection methods. When the measured frequency is below the set value of Start value Freq< setting, the frequency gradient protection is enabled.
  • Page 291: Application

    Section 4 1MRS757454 D Protection functions The module calculates the start duration value which indicates the percentage ratio of the start situation and set operate time (DT). The start duration is available according to the selected value of the Operation mode setting. Table 313: Start duration value Operation mode in use...
  • Page 292: Signals

    Section 4 1MRS757454 D Protection functions frequency in a power system indicates that the generated power is too low to meet the demands of the load connected to the power grid. The underfrequency can occur as a result of the overload of generators operating in an isolated system.
  • Page 293: Settings

    Section 4 1MRS757454 D Protection functions 4.6.7 Settings Table 316: FRPFRQ Group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation mode 1=Freq< 1=Freq< Frequency protection operation mode 2=Freq> selection 3=df/dt 4=Freq< + df/dt 5=Freq> + df/dt 6=Freq< OR df/dt 7=Freq>...
  • Page 294: Technical Data

    Section 4 1MRS757454 D Protection functions 4.6.9 Technical data Table 320: FRPFRQ Technical data Characteristic Value Operation accuracy f>/f< ±5 mHz df/dt ±50 mHz/s (in range |df/dt| <5 Hz/s) ±2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s) Start time f>/f<...
  • Page 295: Functionality

    Section 4 1MRS757454 D Protection functions 4.7.3 Functionality The motor start-up supervision function STTPMSU is designed for protection against excessive starting time and locked rotor conditions of the motor during starting. For the good and reliable operation of the motor, the thermal stress during the motor starting is maintained within the allowed limits.
  • Page 296 Section 4 1MRS757454 D Protection functions GUID-35DD1223-14B2-48BF-ADF4-4A1DF6930314 V1 EN Figure 135: Functional module diagram Startup supervisor This module detects the starting of the motor. The starting and stalling motor conditions are detected in four different modes of operation. This is done through the Operation mode setting.
  • Page 297 Section 4 1MRS757454 D Protection functions below 90 percent of the set value of Start detection A and remain below that level for a time of Str over delay time, that is, until the start-up situation is over. GUID-4475BDFB-57AE-4BFD-9EE7-AE7672F7206E V2 EN Figure 136: Functionality of start-up supervision in the "IIt and IIt&stall"...
  • Page 298 Section 4 1MRS757454 D Protection functions GUID-DDAD7B3F-28BE-4573-BE79-FBB488A22ECA V1 EN GUID-1470A4DB-310F-46BC-B775-843EAB8BA836 V1 EN Figure 137: Functionality of start-up supervision in the "IIt, CB" mode and the "IIt and stall, CB" mode The Str over delay time setting has different purposes in different modes of operation. •...
  • Page 299 Section 4 1MRS757454 D Protection functions delay setting can even be as high as within the range of seconds, for example around 30 seconds. The activation of the BLOCK input signal deactivates the MOT_START output. Thermal stress calculator Because of the high current surges during the start-up period, a thermal stress is imposed on the rotor.
  • Page 300 Section 4 1MRS757454 D Protection functions The start-up current is specific to each motor and depends on the start-up method used, such as direct online, autotransformer and rotor resistance insertion. The start-up time is dependent on the load connected to the motor. Based on the motor characteristics supplied by the manufacturer, this module is required if the stalling time is shorter than or too close to the starting time.
  • Page 301: Application

    Section 4 1MRS757454 D Protection functions GUID-200BC4CB-8B33-4616-B014-AFCC99ED9224 V2 EN Figure 138: Time delay for cumulative start This module also protects the motor from consecutive start-ups. When the LOCK_START output is active, T_RST_ENA shows the possible time for next restart. The value of T_RST_ENA is calculated by the difference of Restart inhibit time and the elapsed time from the instant LOCK_START is enabled.
  • Page 302 Section 4 1MRS757454 D Protection functions The full-voltage starting or the direct-on-line starting method is used out of the many methods used for starting the induction motor. If there is either an electrical or mechanical constraint, this starting method is not suitable. The full-voltage starting produces the highest starting torque.
  • Page 303 Section 4 1MRS757454 D Protection functions When the permissible stall time is less than the starting time of the motor, the stalling protection is used and the value of the time delay setting should be set slightly less than the permissible stall time. The speed switch on the motor shaft must be used for detecting whether the motor begins to accelerate or not.
  • Page 304 Section 4 1MRS757454 D Protection functions GUID-6E9B7247-9009-4302-A79B-B326009ECC7A V2 EN Figure 140: Typical motor-starting and capability curves Setting of Cumulative time Lim Cumulative time Lim is calculated by t margin − × + ∑ (Equation 30) GUID-0214B677-48D0-4DD4-BD1E-67BA9FD3C345 V1 EN specified maximum allowed number of motor start-ups start-up time of the motor (in seconds) margin safety margin (~10...20 percent) Setting of Counter Red rate...
  • Page 305: Signals

    Section 4 1MRS757454 D Protection functions 4.7.6 Signals Table 322: STTPMSU Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current BLOCK BOOLEAN 0=False Block of function BLK_LK_ST BOOLEAN 0=False Blocks lock out condition for restart of motor CB_CLOSED BOOLEAN 0=False...
  • Page 306: Monitored Data

    Section 4 1MRS757454 D Protection functions Table 326: STTPMSU Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Operation mode 1=IIt 1=IIt Motor start-up operation mode 2=IIt, CB 3=IIt + stall 4=IIt + stall, CB Counter Red rate 2.0...250.0...
  • Page 307: Technical Data

    Section 4 1MRS757454 D Protection functions 4.7.9 Technical data Table 329: STTPMSU Technical data Characteristic Value Operation accuracy Depending on the frequency of the measured current: f ±2 Hz ±1.5% of the set value or ±0.002 × I Minimum Typical Maximum Start time 1)2)
  • Page 309: Section 5 Protection Related Functions

    Section 5 1MRS757454 D Protection related functions Section 5 Protection related functions Three-phase inrush detector INRPHAR 5.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Three-phase inrush detector INRPHAR 3I2f> 5.1.2 Function block A070377 V1 EN Figure 141: Function block 5.1.3...
  • Page 310 Section 5 1MRS757454 D Protection related functions The operation of INRPHAR can be described using a module diagram. All the modules in the diagram are explained in the next sections. A070694 V2 EN Figure 142: Functional module diagram I_2H/I_1H This module calculates the ratio of the second harmonic (I_2H) and fundamental frequency (I_1H) phase currents.
  • Page 311: Application

    Section 5 1MRS757454 D Protection related functions It is recommended to use the second harmonic and the waveform based inrush blocking from the TR2PTDF function, if available. 5.1.5 Application Transformer protections require high stability to avoid tripping during magnetizing inrush conditions. A typical example of an inrush detector application is doubling the start value of an overcurrent protection during inrush detection.
  • Page 312: Signals

    Section 5 1MRS757454 D Protection related functions 5.1.6 Signals Table 331: INRPHAR Input signals Name Type Default Description I_2H_A SIGNAL Second harmonic phase A current I_1H_A SIGNAL Fundamental frequency phase A current I_2H_B SIGNAL Second harmonic phase B current I_1H_B SIGNAL Fundamental frequency phase B current I_2H_C...
  • Page 313: Technical Data

    Section 5 1MRS757454 D Protection related functions 5.1.9 Technical data Table 337: INRPHAR Technical data Characteristic Value Operation accuracy At the frequency f = f Current measurement: ±1.5% of the set value or ±0.002 × I Ratio I2f/I1f measurement: ±5.0% of the set value Reset time +35 ms / -0 ms Reset ratio...
  • Page 314: Functionality

    Section 5 1MRS757454 D Protection related functions 5.2.3 Functionality The circuit breaker failure protection function CCBRBRF is activated by trip commands from the protection functions. The commands are either internal commands to the terminal or external commands through binary inputs. The start command is always a default for three-phase operation.
  • Page 315 Section 5 1MRS757454 D Protection related functions of the value to the start, retrip and backup trip logics. The parameter should be set low enough so that breaker failure situations with small fault current or high load current can be detected. The setting can be chosen in accordance with the most sensitive protection function to start the breaker failure protection.
  • Page 316 Section 5 1MRS757454 D Protection related functions GUID-61D73737-798D-4BA3-9CF2-56D57719B03D V4 EN Figure 146: Start logic Timer 1 Once activated, the timer runs until the set Retrip time value has elapsed. The time characteristic is according to DT. When the operation timer has reached the value set with Retrip time, the retrip logic is activated.
  • Page 317 Section 5 1MRS757454 D Protection related functions It is often required that the total fault clearance time is less than the given critical time. This time often depends on the ability to maintain transient stability in case of a fault close to a power plant.
  • Page 318 Section 5 1MRS757454 D Protection related functions active for the time set with the Trip pulse time setting or the time the circuit breaker is in the closed position, whichever is longer. • If CB failure mode is set to "Both", TRRET is activated when either of the "Breaker status"...
  • Page 319 Section 5 1MRS757454 D Protection related functions remains active for the time set with the Trip pulse time setting or until the values of all the phase currents or residual currents drop below the Current value and Current value Res setting respectively, whichever takes longer. •...
  • Page 320: Application

    Section 5 1MRS757454 D Protection related functions GUID-30BB8C04-689A-4FA5-85C4-1DF5E3ECE179 V4 EN Figure 149: Backup trip logic 5.2.5 Application The n-1 criterion is often used in the design of a fault clearance system. This means that the fault is cleared even if some component in the fault clearance system is faulty. A circuit breaker is a necessary component in the fault clearance system.
  • Page 321 Section 5 1MRS757454 D Protection related functions CCBRBRF is initiated by operating different protection functions or digital logics inside the protection relay. It is also possible to initiate the function externally through a binary input. CCBRBRF can be blocked by using an internally assigned signal or an external signal from a binary input.
  • Page 322: Signals

    Section 5 1MRS757454 D Protection related functions 5.2.6 Signals Table 339: CCBRBRF Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current SIGNAL Residual current BLOCK BOOLEAN 0=False Block CBFP operation START BOOLEAN 0=False CBFP start command...
  • Page 323: Monitored Data

    Section 5 1MRS757454 D Protection related functions Table 342: CCBRBRF Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description CB fault delay 0...60000 5000 Circuit breaker faulty delay Measurement mode 2=DFT 3=Peak-to-Peak Phase current measurement mode of 3=Peak-to-Peak function Trip pulse time 0...60000...
  • Page 324: Master Trip Trpptrc

    Section 5 1MRS757454 D Protection related functions Master trip TRPPTRC 5.3.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Master trip TRPPTRC Master Trip 94/86 5.3.2 Function block A071286 V2 EN Figure 151: Function block 5.3.3 Functionality The master trip function TRPPTRC is used as a trip command collector and handler...
  • Page 325 Section 5 1MRS757454 D Protection related functions A070882 V4 EN Figure 152: Functional module diagram Timer The duration of the TRIP output signal from TRPPTRC can be adjusted with the Trip pulse time setting when the "Non-latched" operation mode is used. The pulse length should be long enough to secure the opening of the breaker.
  • Page 326: Application

    Section 5 1MRS757454 D Protection related functions 5.3.5 Application All trip signals from different protection functions are routed through the trip logic. The most simplified application of the logic function is linking the trip signal and ensuring that the signal is long enough. The tripping logic in the protection relay is intended to be used in the three-phase tripping for all fault types (3ph operating).
  • Page 327: Signals

    Section 5 1MRS757454 D Protection related functions 5.3.6 Signals Table 347: TRPPTRC Input signals Name Type Default Description BLOCK BOOLEAN 0=False Block of function OPERATE BOOLEAN 0=False Operate RST_LKOUT BOOLEAN 0=False Input for resetting the circuit breaker lockout function Table 348: TRPPTRC Output signals Name Type...
  • Page 328: Technical Revision History

    Section 5 1MRS757454 D Protection related functions 5.3.9 Technical revision history Table 351: TRPPTRC Technical revision history Technical revision Change Internal improvement. Setting Trip output mode default setting is changed to "Latched". Internal improvement. Emergency start-up ESMGAPC 5.4.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2...
  • Page 329: Operation Principle

    Section 5 1MRS757454 D Protection related functions 5.4.4 Operation principle The function can be enabled and disabled with the Operation setting. The corresponding parameter values are "On" and "Off". The operation of ESMGAPC can be described using a module diagram. All the modules in the diagram are explained in the next sections.
  • Page 330: Signals

    Section 5 1MRS757454 D Protection related functions operator can now restart the motor. A new emergency start cannot be made until the 10 minute time-out has passed or until the emergency start is released, whichever takes longer. The last change of the emergency start output signal is recorded. 5.4.6 Signals Table 352:...
  • Page 331: Technical Data

    Section 5 1MRS757454 D Protection related functions 5.4.9 Technical data Table 357: ESMGAPC Technical data Characteristic Value Operation accuracy At the frequency f = f ±1.5% of the set value or ±0.002 × U 5.4.10 Technical revision history Table 358: ESMGAPC Technical revision history Technical revision Change...
  • Page 332: Operation Principle

    Section 5 1MRS757454 D Protection related functions The function contains a blocking functionality. It is possible to block function outputs and the reset timers, if desired. 5.5.4 Operation principle The function can be enabled and disabled with the Operation setting. The corresponding parameter values are "On"...
  • Page 333: Signals

    Section 5 1MRS757454 D Protection related functions The overcurrent high and instantaneous signals, for example, the PHIPTOC START signal is connected to the function START input. When the SOTF control module is active and the START input is activated, the function operates instantaneously without any delays.
  • Page 334: Monitored Data

    Section 5 1MRS757454 D Protection related functions 5.5.8 Monitored data Table 364: CBPSOF Monitored data Name Type Values (Range) Unit Description CBPSOF Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off 5.5.9 Technical data Table 365: CBPSOF Technical data Characteristic Value Operate time accuracy ±1.0% of the set value or ±20 ms 611 series Technical Manual...
  • Page 335: Section 6 Supervision Functions

    Section 6 1MRS757454 D Supervision functions Section 6 Supervision functions Trip circuit supervision TCSSCBR 6.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Trip circuit supervision TCSSCBR 6.1.2 Function block A070788 V1 EN Figure 158: Function block 6.1.3 Functionality...
  • Page 336: Application

    Section 6 1MRS757454 D Supervision functions A070785 V2 EN Figure 159: Functional module diagram TCS status This module receives the trip circuit status from the hardware. A detected failure in the trip circuit activates the timer. Timer Once activated, the timer runs until the set value of Operate delay time has elapsed. The time characteristic is according to DT.
  • Page 337 Section 6 1MRS757454 D Supervision functions A051097 V6 EN Figure 160: Operating principle of the trip-circuit supervision with an external resistor. The TCSSCBR blocking switch is not required since the external resistor is used. If TCS is required only in a closed position, the external shunt resistance can be omitted.
  • Page 338 Section 6 1MRS757454 D Supervision functions A051906 V4 EN Figure 161: Operating principle of the trip-circuit supervision without an external resistor. The circuit breaker open indication is set to block TCSSCBR when the circuit breaker is open. Trip circuit supervision and other trip contacts It is typical that the trip circuit contains more than one trip contact in parallel, for example in transformer feeders where the trip of a Buchholz relay is connected in parallel with the feeder terminal and other relays involved.
  • Page 339 Section 6 1MRS757454 D Supervision functions A070968 V5 EN Figure 162: Constant test current flow in parallel trip contacts and trip circuit supervision In case of parallel trip contacts, the recommended way to do the wiring is that the TCS test current flows through all wires and joints.
  • Page 340 Section 6 1MRS757454 D Supervision functions A070970 V3 EN Figure 163: Improved connection for parallel trip contacts where the test current flows through all wires and joints Several trip circuit supervision functions parallel in circuit Not only the trip circuit often have parallel trip contacts, it is also possible that the circuit has multiple TCS circuits in parallel.
  • Page 341 Section 6 1MRS757454 D Supervision functions The circuit breaker coil current is normally cut by an internal contact of the circuit breaker. In case of a circuit breaker failure, there is a risk that the protection relay trip contact is destroyed since the contact is obliged to disconnect high level of electromagnetic energy accumulated in the trip coil.
  • Page 342 Section 6 1MRS757454 D Supervision functions drop of the feeding auxiliary voltage system which can cause too low voltage values over the TCS contact. In this case, erroneous alarming can occur. At lower (<48 V DC) auxiliary circuit operating voltages, it is recommended to use the circuit breaker position to block unintentional operation of TCS.
  • Page 343 Section 6 1MRS757454 D Supervision functions A070972 V4 EN Figure 165: Incorrect connection of trip-circuit supervision A connection of three protection relays with a double pole trip circuit is shown in the following figure. Only the protection relay R3 has an internal TCS circuit. In order to test the operation of the protection relay R2, but not to trip the circuit breaker, the upper trip contact of the protection relay R2 is disconnected, as shown in the figure, while the lower contact is still connected.
  • Page 344: Signals

    Section 6 1MRS757454 D Supervision functions A070974 V5 EN Figure 166: Incorrect testing of protection relays 6.1.6 Signals Table 367: TCSSCBR Input signals Name Type Default Description BLOCK BOOLEAN 0=False Block input status Table 368: TCSSCBR Output signals Name Type Description ALARM BOOLEAN...
  • Page 345: Monitored Data

    Section 6 1MRS757454 D Supervision functions Table 370: TCSSCBR Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Reset delay time 20...60000 1000 Reset delay time 6.1.8 Monitored data Table 371: TCSSCBR Monitored data Name Type Values (Range) Unit Description TCSSCBR...
  • Page 346: Functionality

    Section 6 1MRS757454 D Supervision functions 6.2.3 Functionality Phase segregated CT supervision function HZCCxSPVC is a dedicated phase- segregated supervision function to be used along with the high-impedance differential protection for detecting the broken CT secondary wires. The differential current is taken as an input for the protection relay.
  • Page 347: Measuring Modes

    Section 6 1MRS757454 D Supervision functions GUID-8C5661F6-12FC-4733-886C-01F793DF2FBF V1 EN Figure 168: Functional module diagram Level detector This module compares the differential current I_A to the set Start value. The timer module is activated if the differential current exceeds the value set in the Start value setting.
  • Page 348: Application

    Section 6 1MRS757454 D Supervision functions 6.2.6 Application HZCCxSPVC is a dedicated phase-segregated supervision function to be used along with the high-impedance differential protection for detecting the broken CT secondary wires. The operation principle of HZCCxSPVC is similar to the high- impedance differential protection function HIxPDIF.
  • Page 349: Signals

    Section 6 1MRS757454 D Supervision functions In the example, the incoming feeder is carrying a load of 2.0 pu and both outgoing feeders carry an equal load of 1.0 pu However, both HIxPDIF and HZCCxSPVC consider the current as an increased differential or unbalance current because of the broken CT wire in phase C.
  • Page 350: Settings

    Section 6 1MRS757454 D Supervision functions Table 378: HZCCCSPVC Output signals Name Type Description ALARM BOOLEAN Alarm output 6.2.8 Settings Table 379: HZCCASPVC Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Start value 1.0...100.0...
  • Page 351: Monitored Data

    Section 6 1MRS757454 D Supervision functions Table 383: HZCCCSPVC Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Start value 1.0...100.0 10.0 Start value, percentage of the nominal current Alarm delay time 100...300000 3000 Alarm delay time...
  • Page 352: Technical Data

    Section 6 1MRS757454 D Supervision functions 6.2.10 Technical data Table 388: HZCCxSPVC Technical data Characteristic Value Operation accuracy Depending on the frequency of the current measured: f ±2 Hz ±1.5% of the set value or ±0.002 × I Reset time <40 ms Reset ratio Typically 0.96...
  • Page 353: Operation Principle

    Section 6 1MRS757454 D Supervision functions the accumulated operation time exceeds the set limits. It utilizes a binary input to indicate the active operation condition. The accumulated operation time is one of the parameters for scheduling a service on the equipment like motors. It indicates the use of the machine and hence the mechanical wear and tear.
  • Page 354: Application

    Section 6 1MRS757454 D Supervision functions Warn Alm”, the WARNING and ALARM outputs are activated at the time of day set using Operating time hour. The Operating time hour setting is used to set the hour of day in Coordinated Universal Time (UTC). The setting has to be adjusted according to the local time and local daylight-saving time.
  • Page 355: Settings

    Section 6 1MRS757454 D Supervision functions 6.3.7 Settings Table 392: MDSOPT Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off Warning value 0...299999 8000 Warning value for operation time supervision Alarm value 0...299999 10000...
  • Page 356: Technical Revision History

    Section 6 1MRS757454 D Supervision functions 6.3.10 Technical revision history Table 396: MDSOPT Technical revision history Technical revision Change Internal improvement. Internal improvement. Internal improvement. 611 series Technical Manual...
  • Page 357: Section 7 Measurement Functions

    Section 7 1MRS757454 D Measurement functions Section 7 Measurement functions Basic measurements 7.1.1 Functions The three-phase current measurement function CMMXU is used for monitoring and metering the phase currents of the power system. The three-phase voltage measurement function VMMXU is used for monitoring and metering the phase-to-phase voltages of the power system.
  • Page 358: Measurement Functionality

    Section 7 1MRS757454 D Measurement functions 7.1.2 Measurement functionality The functions can be enabled or disabled with the Operation setting. The corresponding parameter values are "On" and "Off". Some of the measurement functions operate on two alternative measurement modes: "DFT" and "RMS". The measurement mode is selected with the X Measurement mode setting.
  • Page 359 Section 7 1MRS757454 D Measurement functions • Zero-point clamping • Deadband supervision • Limit value supervision In the three-phase voltage measurement function VMMXU the supervision functions are based on the phase-to-phase voltages. However, the phase-to-earth voltage values are also reported with the phase-to-phase voltages.
  • Page 360 Section 7 1MRS757454 D Measurement functions Limit value supervision The limit value supervision function indicates whether the measured value of X_INST exceeds or falls below the set limits. The measured value has the corresponding range information X_RANGE and has a value in the range of 0 to 4: •...
  • Page 361 Section 7 1MRS757454 D Measurement functions Function Settings for limit value supervision V high limit Three-phase voltage measurement High limit (VMMXU) V low limit Low limit High-high limit V high high limit V low low limit Low-low limit A high limit res Residual current measurement High limit (RESCMMXU)
  • Page 362 Section 7 1MRS757454 D Measurement functions GUID-63CA9A0F-24D8-4BA8-A667-88632DF53284 V1 EN Figure 173: Integral deadband supervision The deadband value used in the integral calculation is configured with the X deadband setting. The value represents the percentage of the difference between the maximum and minimum limit in the units of 0.001 percent x seconds.
  • Page 363 Section 7 1MRS757454 D Measurement functions Function Settings Maximum/minimum (=range) F deadband Frequency measurement 75/35 (=40 Hz) (FMMXU) Ps Seq A deadband , Ng Seq A 40/0 (=40xIn) Phase sequence current measurement (CSMSQI) deadband , Zro A deadband Ps Seq V deadband , Ng Seq V 4/0 (=4xUn) Phase sequence voltage measurement (VSMSQI)
  • Page 364 Section 7 1MRS757454 D Measurement functions GUID-9947B4F2-CD26-4F85-BF57-EAF1593AAE1B V1 EN Figure 174: Complex power and power quadrants Table 400: Power quadrants Quadrant Current Power Lagging 0…+1.00 +ind Lagging 0…-1.00 -cap Leading 0…-1.00 -ind Leading 0…+1.00 +cap The active power P direction can be selected between forward and reverse with Active power Dir and correspondingly the reactive power Q direction can be selected with Reactive power Dir.
  • Page 365: Measurement Function Applications

    Section 7 1MRS757454 D Measurement functions Sequence components The phase-sequence components are calculated using the phase currents and phase voltages. More information on calculating the phase-sequence components can be found in Calculated measurements in this manual. 7.1.3 Measurement function applications The measurement functions are used for power system measurement, supervision and reporting to LHMI, a monitoring tool within PCM600, or to the station level, for example, with IEC 61850.
  • Page 366: Function Block

    Section 7 1MRS757454 D Measurement functions 7.1.4.2 Function block A070777 V2 EN Figure 175: Function block 7.1.4.3 Signals Table 401: CMMXU Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current BLOCK BOOLEAN 0=False Block signal for all binary outputs...
  • Page 367: Monitored Data

    Section 7 1MRS757454 D Measurement functions Table 404: CMMXU Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Measurement mode 1=RMS 2=DFT Selects used measurement mode 2=DFT 7.1.4.5 Monitored data Table 405: CMMXU Monitored data Name Type Values (Range) Unit Description IL1-A...
  • Page 368 Section 7 1MRS757454 D Measurement functions Name Type Values (Range) Unit Description LOW_ALARM BOOLEAN 0=False Low alarm 1=True I_INST_A FLOAT32 0.00...40.00 IL1 Amplitude, magnitude of instantaneous value I_ANGL_A FLOAT32 -180.00...180.00 IL1 current angle I_DB_A FLOAT32 0.00...40.00 IL1 Amplitude, magnitude of reported value I_DMD_A FLOAT32...
  • Page 369: Technical Data

    Section 7 1MRS757454 D Measurement functions 7.1.4.6 Technical data Table 406: CMMXU Technical data Characteristic Value Operation accuracy Depending on the frequency of the measured current: f ±2 Hz ±0.5% or ±0.002 × I (at currents in the range of 0.01...4.00 × I Suppression of harmonics DFT: -50 dB at f = n ×...
  • Page 370: Signals

    Section 7 1MRS757454 D Measurement functions 7.1.5.3 Signals Table 408: VMMXU Input signals Name Type Default Description U_A_AB SIGNAL Phase to earth voltage A or phase to phase voltage U_B_BC SIGNAL Phase to earth voltage B or phase to phase voltage U_C_CA SIGNAL Phase to earth voltage C or phase to phase voltage...
  • Page 371: Monitored Data

    Section 7 1MRS757454 D Measurement functions 7.1.5.5 Monitored data Table 412: VMMXU Monitored data Name Type Values (Range) Unit Description U12-kV FLOAT32 0.00...4.00 Measured phase to phase voltage amplitude phase AB U23-kV FLOAT32 0.00...4.00 Measured phase to phase voltage amplitude phase BC U31-kV FLOAT32...
  • Page 372: Technical Data

    Section 7 1MRS757454 D Measurement functions Name Type Values (Range) Unit Description U_INST_CA FLOAT32 0.00...4.00 U31 Amplitude, magnitude of instantaneous value U_ANGL_CA FLOAT32 -180.00...180.00 U31 angle U_DB_CA FLOAT32 0.00...4.00 U31 Amplitude, magnitude of reported value U_DMD_CA FLOAT32 0.00...4.00 Demand value of U31 voltage U_RANGE_CA Enum...
  • Page 373: Technical Revision History

    Section 7 1MRS757454 D Measurement functions 7.1.5.7 Technical revision history Table 414: VMMXU Technical revision history Technical revision Change Phase and phase-to-phase voltage angle values and demand values added to Monitored data view. Internal improvement. Internal improvement. 7.1.6 Residual current measurement RESCMMXU 7.1.6.1 Identification Function description...
  • Page 374: Settings

    Section 7 1MRS757454 D Measurement functions 7.1.6.4 Settings Table 417: RESCMMXU Non group settings (Basic) Parameter Values (Range) Unit Step Default Description Operation 1=on 1=on Operation Off / On 5=off A Hi high limit res 0.00...40.00 0.20 High alarm current limit A high limit res 0.00...40.00 0.05...
  • Page 375: Technical Data

    Section 7 1MRS757454 D Measurement functions Name Type Values (Range) Unit Description Min demand Io FLOAT32 0.00...40.00 Minimum demand for residual current Time max demand Io Timestamp Time of maximum demand residual current Time min demand Io Timestamp Time of minimum demand residual current 7.1.6.6 Technical data...
  • Page 376: Function Block

    Section 7 1MRS757454 D Measurement functions 7.1.7.2 Function block A070779 V2 EN Figure 178: Function block 7.1.7.3 Signals Table 422: RESVMMXU Input signals Name Type Default Description SIGNAL Residual voltage BLOCK BOOLEAN 0=False Block signal for all binary outputs Table 423: RESVMMXU Output signals Name Type...
  • Page 377: Monitored Data

    Section 7 1MRS757454 D Measurement functions 7.1.7.5 Monitored data Table 426: RESVMMXU Monitored data Name Type Values (Range) Unit Description Uo-kV FLOAT32 0.00...4.00 Measured residual voltage BLOCK BOOLEAN 0=False Block signal for all binary 1=True outputs HIGH_ALARM BOOLEAN 0=False High alarm 1=True HIGH_WARN BOOLEAN...
  • Page 378: Frequency Measurement Fmmxu

    Section 7 1MRS757454 D Measurement functions 7.1.8 Frequency measurement FMMXU 7.1.8.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Frequency measurement FMMXU 7.1.8.2 Function block GUID-5CCF8F8C-E1F4-421B-8BE9-C0620F7446A7 V2 EN Figure 179: Function block 7.1.8.3 Functionality The frequency measurement range is 35...75 Hz. The estimated frequencies outside the measurement range are considered to be out of range and the minimum and maximum values are then shown.
  • Page 379: Monitored Data

    Section 7 1MRS757454 D Measurement functions Table 431: FMMXU Non group settings (Advanced) Parameter Values (Range) Unit Step Default Description Def frequency Sel 1=Nominal 1=Nominal Default frequency selection 2=Zero 7.1.8.6 Monitored data Table 432: FMMXU Monitored data Name Type Values (Range) Unit Description f-Hz...
  • Page 380: Function Block

    Section 7 1MRS757454 D Measurement functions 7.1.9.2 Function block A070784 V2 EN Figure 180: Function block 7.1.9.3 Signals Table 435: CSMSQI Input signals Name Type Default Description SIGNAL Zero sequence current SIGNAL Positive sequence current SIGNAL Negative sequence current 7.1.9.4 Settings Table 436: CSMSQI Non group settings (Basic)
  • Page 381: Monitored Data

    Section 7 1MRS757454 D Measurement functions Parameter Values (Range) Unit Step Default Description Ng Seq A deadband 100...100000 2500 Deadband configuration value for negative sequence current for integral calculation. (percentage of difference between min and max as 0,001 % s) Zro A Hi high Lim 0.00...40.00 0.20...
  • Page 382: Technical Data

    Section 7 1MRS757454 D Measurement functions Name Type Values (Range) Unit Description I1_RANGE Enum 0=normal Positive sequence 1=high current amplitude range 2=low 3=high-high 4=low-low I0_INST FLOAT32 0.00...40.00 Zero sequence current amplitude, instantaneous value I0_ANGL FLOAT32 -180.00...180.00 Zero sequence current angle I0_DB FLOAT32 0.00...40.00...
  • Page 383: Function Block

    Section 7 1MRS757454 D Measurement functions 7.1.10.2 Function block GUID-63393283-E2C1-406A-9E70-847662D83CFC V2 EN Figure 181: Function block 7.1.10.3 Signals Table 440: VSMSQI Input signals Name Type Default Description SIGNAL Zero sequence voltage SIGNAL Positive phase sequence voltage SIGNAL Negative phase sequence voltage 7.1.10.4 Settings Table 441:...
  • Page 384: Monitored Data

    Section 7 1MRS757454 D Measurement functions Parameter Values (Range) Unit Step Default Description Zro V Hi high Lim 0.00...4.00 0.20 High alarm voltage limit for zero sequence voltage Zro V High limit 0.00...4.00 0.05 High warning voltage limit for zero sequence voltage Zro V low limit 0.00...4.00...
  • Page 385: Technical Data

    Section 7 1MRS757454 D Measurement functions Name Type Values (Range) Unit Description U0_INST FLOAT32 0.00...4.00 Zero sequence voltage amplitude, instantaneous value U0_ANGL FLOAT32 -180.00...180.00 Zero sequence voltage angle U0_DB FLOAT32 0.00...4.00 Zero sequence voltage amplitude, reported value U0_RANGE Enum 0=normal Zero sequence voltage 1=high amplitude range...
  • Page 386: Signals

    Section 7 1MRS757454 D Measurement functions 7.1.11.3 Signals Table 444: PEMMXU Input signals Name Type Default Description SIGNAL Phase A current SIGNAL Phase B current SIGNAL Phase C current SIGNAL Phase A voltage SIGNAL Phase B voltage SIGNAL Phase C voltage RSTACM BOOLEAN 0=False...
  • Page 387: Monitored Data

    Section 7 1MRS757454 D Measurement functions 7.1.11.5 Monitored data Table 447: PEMMXU Monitored data Name Type Values (Range) Unit Description S-kVA FLOAT32 -999999.9...9999 Total Apparent Power 99.9 P-kW FLOAT32 -999999.9...9999 Total Active Power 99.9 Q-kVAr FLOAT32 -999999.9...9999 kVAr Total Reactive Power 99.9 FLOAT32 -1.00...1.00...
  • Page 388: Technical Data

    Section 7 1MRS757454 D Measurement functions Name Type Values (Range) Unit Description Max demand S FLOAT32 -999999.9...9999 Maximum demand value 99.9 of apparent power Min demand S FLOAT32 -999999.9...9999 Minimum demand value 99.9 of apparent power Max demand P FLOAT32 -999999.9...9999 Maximum demand value 99.9...
  • Page 389: Technical Revision History

    Section 7 1MRS757454 D Measurement functions 7.1.11.7 Technical revision history Table 449: PEMMXU Technical revision history Technical revision Change Demand values added to Monitored data. Recorded data added to store minimum and maximum demand values with timestamps. Internal improvement. Internal improvement. Disturbance recorder RDRE 7.2.1 Identification...
  • Page 390: Triggering Alternatives

    Section 7 1MRS757454 D Measurement functions 7.2.2.2 Triggering alternatives The recording can be triggered by any or several of the following alternatives: • Triggering according to the state change of any or several of the binary channels of the disturbance recorder. The user can set the level sensitivity with the Level trigger mode parameter of the corresponding binary channel.
  • Page 391: Length Of Recordings

    Section 7 1MRS757454 D Measurement functions Manual triggering The recorder can be triggered manually via the LHMI or via communication by setting the Trig recording parameter to TRUE. Periodic triggering Periodic triggering means that the recorder automatically makes a recording at certain time intervals.
  • Page 392: Uploading Of Recordings

    Section 7 1MRS757454 D Measurement functions Table 450: Sampling frequencies of the disturbance recorder analog channels Storage rate Recording Sampling Sampling Sampling Sampling (samples per length frequency of frequency of frequency of frequency of fundamental analog binary analog binary cycle) channels, when channels, when channels, when...
  • Page 393: Deletion Of Recordings

    Section 7 1MRS757454 D Measurement functions running counter, which has a range of 1...9999. A hexadecimal representation is used for the IP number octets. The appropriate file extension is added to the end of the file name. 7.2.2.6 Deletion of recordings There are several ways to delete disturbance recordings.
  • Page 394: Operation Modes

    Section 7 1MRS757454 D Measurement functions time, is the difference between the recording length and the pre-trigger time. Changing the pre-trigger time resets the history data and the current recording under collection. 7.2.2.9 Operation modes Disturbance recorder has two operation modes: saturation and overwrite mode. The user can change the operation mode of the disturbance recorder with the Operation mode parameter.
  • Page 395: Configuration

    Section 7 1MRS757454 D Measurement functions of the corresponding analog or binary channel. The Exclusion time rem parameter counts downwards. 7.2.3 Configuration The disturbance recorder can be configured with PCM600 or any tool supporting the IEC 61850 standard. The disturbance recorder can be enabled or disabled with the Operation parameter under the Configuration/Disturbance recorder/General menu.
  • Page 396: Application

    Section 7 1MRS757454 D Measurement functions 7.2.4 Application The disturbance recorder is used for post-fault analysis and for verifying the correct operation of protection relays and circuit breakers. It can record both analog and binary signal information. The analog inputs are recorded as instantaneous values and converted to primary peak value units when the protection relay converts the recordings to the COMTRADE format.
  • Page 397 Section 7 1MRS757454 D Measurement functions Parameter Values (Range) Unit Step Default Description Periodic trig 0...604 800 Time between time periodic triggerings Stor. mode 0=Waveform Storage mode periodic 1=Trend / for periodic cycle triggering Stor. mode 0=Waveform Storage mode manual 1=Trend / for manual cycle...
  • Page 398 Section 7 1MRS757454 D Measurement functions Table 453: RDRE Non-group binary channel settings Parameter Values (Range) Unit Step Default Description Operation 1=on 5=off Binary 5=off channel is enabled or disabled Level trigger 1=Positive or 1=Rising Level trigger mode Rising mode for the 2=Negative or binary Falling...
  • Page 399: Monitored Data

    Section 7 1MRS757454 D Measurement functions 7.2.6 Monitored data Table 455: RDRE Monitored data Parameter Values (Range) Unit Step Default Description Number of 0...100 Number of recordings recordings currently in memory Rem. amount 0...100 Remaining of rec. amount of recordings that fit into the available recording...
  • Page 401: Section 8 Control Functions

    Section 8 1MRS757454 D Control functions Section 8 Control functions Circuit-breaker control CBXCBR 8.1.1 Identification Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Circuit-breaker control CBXCBR I<->O CB I<->O CB 8.1.2 Function block A071284 V4 EN Figure 184: Function block 8.1.3...
  • Page 402: Operation Principle

    Section 8 1MRS757454 D Control functions 8.1.4 Operation principle Status indication and validity check The object state is defined by two digital inputs, POSOPEN and POSCLOSE, which are also available as outputs OPENPOS and CLOSEPOS together with the OKPOS according to Table 457.
  • Page 403 Section 8 1MRS757454 D Control functions GUID-AC1D16A3-6BED-4FD4-A5BE-E4079BE5FBB9 V1 EN Figure 185: Enabling and blocking logic for CLOSE_ENAD and OPEN_ENAD signals Opening and closing operations The opening and closing operations are available via communication, binary inputs or LHMI commands. As a prerequisite for control commands, there are enabling and blocking functionalities for both opening and closing commands (CLOSE_ENAD and OPEN_ENAD signals).
  • Page 404 Section 8 1MRS757454 D Control functions GUID-0683760A-9832-4A01-8E87-6E3A7E6FDFC3 V1 EN Figure 187: Condition for enabling the open request (OP_REQ) for CBXCBR OPEN and CLOSE outputs The EXE_OP output is activated when the open command is given (AU_OPEN, via communication or from LHMI) and OPEN_ENAD signal is TRUE. In addition, the protection trip commands can be routed through the CBXCBR function by using the TRIP input.
  • Page 405 Section 8 1MRS757454 D Control functions pulse width, defined by the user-configurable Pulse length setting. The Pulse length setting is the same for both the opening and closing commands. When the apparatus already is in the right position, the maximum pulse length is given. The Pulse length setting does not affect the length of the trip pulse.
  • Page 406: Application

    Section 8 1MRS757454 D Control functions REF611 Overcurrent Earth-fault Phase unbalance Thermal overload AR sequence in progress Disturb.rec.trigged Trip circuit failure Breaker failure REF611 REF611 REF611 REF611 Overcurrent Overcurrent Overcurrent Earth-fault Overcurrent Earth-fault Phase unbalance Earth-fault Earth-fault Phase unbalance Thermal overload Phase unbalance Phase unbalance Thermal overload...
  • Page 407: Signals

    Section 8 1MRS757454 D Control functions REF611 Overcurrent Earth-fault Phase unbalance Thermal overload AR sequence in progress Disturb.rec.trigged Trip circuit failure Breaker failure REF611 REF611 REF611 Overcurrent Overcurrent Earth-fault Overcurrent Earth-fault Phase unbalance Earth-fault Phase unbalance Thermal overload Phase unbalance Thermal overload Thermal overload AR sequence in progress...
  • Page 408: Settings

    Section 8 1MRS757454 D Control functions Table 459: CBXCBR Output signals Name Type Description SELECTED BOOLEAN Object selected EXE_OP BOOLEAN Executes the command for open direction EXE_CL BOOLEAN Executes the command for close direction OP_REQ BOOLEAN Open request CL_REQ BOOLEAN Close request OPENPOS BOOLEAN...
  • Page 409: Monitored Data

    Section 8 1MRS757454 D Control functions 8.1.8 Monitored data Table 462: CBXCBR Monitored data Name Type Values (Range) Unit Description POSITION Dbpos 0=intermediate Apparatus position 1=open indication 2=closed 3=faulty 8.1.9 Technical revision history Table 463: CBXCBR Technical revision history Technical revision Change Interlocking bypass input (ITL_BYPASS) and opening enabled (OPEN_ENAD)/closing enabled...
  • Page 410: Function Block

    Section 8 1MRS757454 D Control functions 8.2.2 Function block A070836 V4 EN Figure 191: Function block 8.2.3 Functionality About 80 to 85 percent of faults in the MV overhead lines are transient and automatically cleared with a momentary de-energization of the line. The rest of the faults, 15 to 20 percent, can be cleared by longer interruptions.
  • Page 411: Zone Coordination

    Section 8 1MRS757454 D Control functions Table 464: Control line setting definition Control line INIT_1 INIT_2 INIT_3 INIT_4 INIT_5 INIT_6 setting DEL_INIT_2 DEL_INIT_3 DEL_INIT_4 other other other other other other prot other other other other other other prot other other other other prot...
  • Page 412: Thermal Overload Blocking

    Section 8 1MRS757454 D Control functions A070877 V1 EN Figure 192: Master and slave scheme If the AR unit is defined as a master by setting its terminal priority to high: • The unit activates the CMD_WAIT output to the low priority slave unit whenever a shot is in progress, a reclosing is unsuccessful or the BLK_RCLM_T input is active •...
  • Page 413: Signal Collection And Delay Logic

    Section 8 1MRS757454 D Control functions setting has three parameter values: “On”, “External Ctl” and ”Off”. The setting value “On” enables the reclosing operation and “Off” disables it. When the setting value “External Ctl” is selected, the reclosing operation is controlled with the RECL_ON input.
  • Page 414 Section 8 1MRS757454 D Control functions A070865 V2 EN Figure 194: Schematic diagram of delayed initiation input signals In total, the AR function contains six separate initiation lines used for the initiation or blocking of the autoreclosing shots. These lines are divided into two types of channels. In three of these channels, the signal to the AR function can be delayed, whereas the other three channels do not have any delaying capability.
  • Page 415 Section 8 1MRS757454 D Control functions • Str 3 delay shot 1 • Str 3 delay shot 2 • Str 3 delay shot 3 • Str 3 delay shot 4 Time delay settings for the DEL_INIT_4 signal • Str 4 delay shot 1 •...
  • Page 416 Section 8 1MRS757454 D Control functions A070867 V1 EN Figure 196: Signal scheme of autoreclosing operation initiated with protection start signal The autoreclosing shot is initiated with a start signal of the protection function after the start delay time has elapsed. The autoreclosing starts when the Str 2 delay shot 1 setting elapses.
  • Page 417: Shot Initiation

    Section 8 1MRS757454 D Control functions 8.2.4.2 Shot initiation A070869 V1 EN Figure 198: Example of an autoreclosing program with a reclose scheme matrix In the AR function, each shot can be programmed to locate anywhere in the reclose scheme matrix. The shots are like building blocks used to design the reclose program. The building blocks are called CBBs.
  • Page 418 Section 8 1MRS757454 D Control functions • First reclose time = 1.0s • Init signals CBB1 = 7 (three lowest bits: 111000 = 7) • Blk signals CBB1 = 16 (the fifth bit: 000010 = 16) • Shot number CBB1 = 1 CBB2 settings are: •...
  • Page 419 Section 8 1MRS757454 D Control functions issues a CLOSE_CB command. When the wait close time elapses, that is, the closing of the circuit breaker fails, the next shot is automatically started. Another example is the embedded generation on the power line, which can make the synchronism check fail and prevent the reclosing.
  • Page 420: Shot Pointer Controller

    Section 8 1MRS757454 D Control functions • Not allowed: no automatic initiation is allowed • When the synchronization fails, the automatic initiation is carried out when the auto wait time elapses and the reclosing is prevented due to a failure during the synchronism check •...
  • Page 421: Reclose Controller

    Section 8 1MRS757454 D Control functions shot pointer value increases. This is carried out until a successful reclosing or lockout takes place after a complete shot sequence containing a total of five shots. A070872 V1 EN Figure 201: Shot pointer function Every time the shot pointer increases, the reclaim time starts.
  • Page 422 Section 8 1MRS757454 D Control functions • The SYNC input must be TRUE if the particular CBB requires information about the synchronism • All AR initiation inputs that are defined protection lines (using the Control line setting) are inactive • The circuit breaker is open •...
  • Page 423: Sequence Controller

    Section 8 1MRS757454 D Control functions A070874 V1 EN Figure 203: Initiation after elapsed discrimination time - new shot begins 8.2.4.5 Sequence controller When the LOCKED output is active, the AR function is in lockout. This means that new sequences cannot be initialized, because AR is insensitive to initiation commands. It can be released from the lockout state in the following ways.
  • Page 424: Protection Coordination Controller

    Section 8 1MRS757454 D Control functions • The frequent operation counter limit is reached and new sequence is initiated. The lockout is released when the recovery timer elapses. • The protection trip signal has been active longer than the time set with the Max wait time parameter since the shot initiation.
  • Page 425: Circuit Breaker Controller

    Section 8 1MRS757454 D Control functions CB_TRIP DARREC PHLPTOC INIT_1 OPEN_CB OPERATE INIT_2 CLOSE_CB CB_CLOSE INIT_3 CMD_WAIT START INIT_4 PROT_CRD PROT_DISA INIT_5 INIT_6 INPRO BLOCK DEL_INIT_2 LO CKED ENA_MULT DEL_INIT_3 UNSUC_RECL DEL_INIT_4 AR_ON BLK_RECL_T BLK_RCLM_T BLK_THERM CB_POSITION CB_POS CB_READY CB_READY DISA_COUNT INC_SHOTP INHIBIT_RECL...
  • Page 426 Section 8 1MRS757454 D Control functions SOTF disables any initiation of an autoreclosing shot. The energizing of the power line is detected from the CB_POS information. SOTF is activated when the AR function is enabled or when the AR function is started and the SOTF should remain active for the reclaim time.
  • Page 427: Counters

    Section 8 1MRS757454 D Control functions 8.2.5 Counters The AR function contains six counters. Their values are stored in a semi-retain memory. The counters are increased at the rising edge of the reclosing command. The counters count the following situations. •...
  • Page 428: Shot Initiation

    The autoreclose function can be used with every circuit breaker that has the ability for a reclosing sequence. In DARREC autoreclose function the implementing method of autoreclose sequences is patented by ABB Table 465: Important definitions related to auto-reclosing...
  • Page 429 Section 8 1MRS757454 D Control functions In the AR function, each shot can be programmed to locate anywhere in the reclose scheme matrix. The shots are like building blocks used to design the reclose program. The building blocks are called CBBs. All blocks are alike and have settings which give the attempt number (columns in the matrix), the initiation or blocking signals (rows in the matrix) and the reclose time of the shot.
  • Page 430 Section 8 1MRS757454 D Control functions A sequence initiation from the INIT_4 line leads to a lockout after two shots. In a situation where the initiation is made from both the INIT_3 and INIT_4 lines, a third shot is allowed, that is, CBB3 is allowed to start. This is called conditional lockout.
  • Page 431 Section 8 1MRS757454 D Control functions A070870 V1 EN Figure 206: Logic diagram of auto-initiation sequence detection Automatic initiation can be selected with the Auto initiation Cnd setting to be the following: • Not allowed: no automatic initiation is allowed •...
  • Page 432: Sequence

    Section 8 1MRS757454 D Control functions The Auto init parameter defines which INIT_X lines are activated in the auto-initiation. The default value for this parameter is "0", which means that no auto-initiation is selected. A070871 V1 EN Figure 207: Example of an auto-initiation sequence with synchronization failure in the first shot and circuit breaker closing failure in the second shot In the first shot, the synchronization condition is not fulfilled (SYNC is FALSE).
  • Page 433: Configuration Examples

    Section 8 1MRS757454 D Control functions • Only such CBBs that are set for the next shot in the sequence can be accepted for execution. For example, if the next shot in the sequence should be shot 2, a request from CBB set for shot 3 is rejected.
  • Page 434 Section 8 1MRS757454 D Control functions Example 1. The sequence is implemented by two shots which have the same reclosing time for all protection functions, namely I>>, I> and Io>. The initiation of the shots is done by activating the operating signals of the protection functions. A070887 V1 EN Figure 209: Autoreclosing sequence with two shots...
  • Page 435 Section 8 1MRS757454 D Control functions Table 466: Settings for configuration example 1 Setting name Setting value Shot number CBB1 Init signals CBB1 7 (lines 1, 2 and 3 = 1+2+4 = 7) First reclose time 0.3s (an example) Shot number CBB2 Init signals CBB2 7 (lines 1, 2 and 3 = 1+2+4 = 7) Second reclose time...
  • Page 436: Delayed Initiation Lines

    Section 8 1MRS757454 D Control functions First reclose time Time delay of high-speed autoreclosing, here: HSAR Second reclose time Time delay of delayed autoreclosing, here: Operating time for the I>> protection stage to clear the fault l>> Operating time for the I> or Io> protection stage to clear the fault l>...
  • Page 437 Section 8 1MRS757454 D Control functions DEL_INIT_2 • DEL_INIT_3 • • DEL_INIT_4 DEL_INIT_2 and INIT_2 are connected together with an OR-gate, as are inputs 3 and 4. Inputs 1, 5 and 6 do not have any delayed input. From the auto-reclosing point of view, it does not matter whether INIT_x or DEL_INIT_x line is used for shot initiation or blocking.
  • Page 438: Shot Initiation From Protection Start Signal

    Section 8 1MRS757454 D Control functions 8.2.6.5 Shot initiation from protection start signal In it simplest, all auto-reclose shots are initiated by protection trips. As a result, all trip times in the sequence are the same. This is why using protection trips may not be the optimal solution.
  • Page 439: Signals

    Section 8 1MRS757454 D Control functions parameter to "1" and connecting the protection start information to the corresponding DEL_INIT_ input. When the function detects a closing of the circuit breaker, that is, any other closing except the reclosing done by the function itself, it always prohibits shot initiation for the time set with the Reclaim time parameter.
  • Page 440: Settings

    Section 8 1MRS757454 D Control functions Table 470: DARREC Output signals Name Type Description OPEN_CB BOOLEAN Open command for circuit breaker CLOSE_CB BOOLEAN Close (reclose) command for circuit breaker CMD_WAIT BOOLEAN Wait for master command INPRO BOOLEAN Reclosing shot in progress, activated during dead time LOCKED BOOLEAN...
  • Page 441 Section 8 1MRS757454 D Control functions Parameter Values (Range) Unit Step Default Description Sixth reclose time 0...300000 5000 Dead time for CBB6 Seventh reclose time 0...300000 5000 Dead time for CBB7 Init signals CBB1 0...63 Initiation lines for CBB1 Init signals CBB2 0...63 Initiation lines for CBB2 Init signals CBB3...
  • Page 442: Monitored Data

    Section 8 1MRS757454 D Control functions Parameter Values (Range) Unit Step Default Description Protection crd limit 1...5 Protection coordination shot limit Protection crd mode 1=No condition 4=AR inop, CB Protection coordination mode 2=AR inoperative 3=CB close manual 4=AR inop, CB man 5=Always Control line 0...63...
  • Page 443 Section 8 1MRS757454 D Control functions Name Type Values (Range) Unit Description STATUS Enum -1=Not defined AR status signal for 1=Ready IEC61850 2=InProgress 3=Successful 4=WaitingForTri 5=TripFromProte ction 6=FaultDisappe ared 7=WaitToCompl 8=CBclosed 9=CycleUnsucce ssful 10=Unsuccessfu 11=Aborted INPRO_1 BOOLEAN 0=False Reclosing shot in 1=True progress, shot 1 INPRO_2...
  • Page 444: Technical Data

    Section 8 1MRS757454 D Control functions Name Type Values (Range) Unit Description MAN_CB_CL BOOLEAN 0=False Indicates CB manual 1=True closing during reclosing sequence SOTF BOOLEAN 0=False Switch-onto-fault 1=True DARREC Enum 1=on Status 2=blocked 3=test 4=test/blocked 5=off 8.2.10 Technical data Table 474: DARREC Technical data Characteristic Value...
  • Page 445: Section 9 General Function Block Features

    Section 9 1MRS757454 D General function block features Section 9 General function block features Definite time characteristics 9.1.1 Definite time operation The DT mode is enabled when the Operating curve type setting is selected either as "ANSI Def. Time" or "IEC Def. Time". In the DT mode, the OPERATE output of the function is activated when the time calculation exceeds the set Operate delay time.
  • Page 446 Section 9 1MRS757454 D General function block features A060764 V1 EN Figure 214: Operation of the counter in drop-off In case 1, the reset is delayed with the Reset delay time setting and in case 2, the counter is reset immediately, because the Reset delay time setting is set to zero. A070421 V1 EN Figure 215: Drop-off period is longer than the set Reset delay time...
  • Page 447 Section 9 1MRS757454 D General function block features When the drop-off period is longer than the set Reset delay time, as described in Figure 215, the input signal for the definite timer (here: timer input) is active, provided that the current is above the set Start value. The input signal is inactive when the current is below the set Start value and the set hysteresis region.
  • Page 448: Current Based Inverse Definite Minimum Time Characteristics

    Section 9 1MRS757454 D General function block features A070422 V1 EN Figure 217: Operating effect of the BLOCK input when the selected blocking mode is "Freeze timer" If the BLOCK input is activated when the operate timer is running, as described in Figure 217, the timer is frozen during the time BLOCK remains active.
  • Page 449 Section 9 1MRS757454 D General function block features The OPERATE output of the component is activated when the cumulative sum of the integrator calculating the overcurrent situation exceeds the value set by the inverse- time mode. The set value depends on the selected curve type and the setting values used.
  • Page 450 Section 9 1MRS757454 D General function block features GUID-20353F8B-2112-41CB-8F68-B51F8ACA775E V1 EN Figure 218: Operation time curve based on the IDMT characteristic leveled out with the Minimum operate time setting is set to 1000 milliseconds (the IDMT Sat point setting is set to maximum). 611 series Technical Manual...
  • Page 451 Section 9 1MRS757454 D General function block features GUID-87A96860-4268-4AD1-ABA1-3227D3BB36D5 V1 EN Figure 219: Operation time curve based on the IDMT characteristic leveled out with IDMT Sat point setting value “11” (the Minimum operate time setting is set to minimum). 611 series Technical Manual...
  • Page 452: Standard Inverse-Time Characteristics

    Section 9 1MRS757454 D General function block features GUID-9BFD6DC5-08B5-4755-A899-DF5ED26E75F6 V1 EN Figure 220: Example of how the inverse time characteristic is leveled out with currents over 50 x In and the Setting Start value setting “2.5 x In”. (the IDMT Sat point setting is set to maximum and the Minimum operate time setting is set to minimum).
  • Page 453 Section 9 1MRS757454 D General function block features The operate times for the ANSI and IEC IDMT curves are defined with the coefficients A, B and C. The values of the coefficients can be calculated according to the formula:  ...
  • Page 454 Section 9 1MRS757454 D General function block features A070750 V2 EN Figure 221: ANSI extremely inverse-time characteristics 611 series Technical Manual...
  • Page 455 Section 9 1MRS757454 D General function block features A070751 V2 EN Figure 222: ANSI very inverse-time characteristics 611 series Technical Manual...
  • Page 456 Section 9 1MRS757454 D General function block features A070752 V2 EN Figure 223: ANSI normal inverse-time characteristics 611 series Technical Manual...
  • Page 457 Section 9 1MRS757454 D General function block features A070753 V2 EN Figure 224: ANSI moderately inverse-time characteristics 611 series Technical Manual...
  • Page 458 Section 9 1MRS757454 D General function block features A070817 V2 EN Figure 225: ANSI long-time extremely inverse-time characteristics 611 series Technical Manual...
  • Page 459 Section 9 1MRS757454 D General function block features A070818 V2 EN Figure 226: ANSI long-time very inverse-time characteristics 611 series Technical Manual...
  • Page 460 Section 9 1MRS757454 D General function block features A070819 V2 EN Figure 227: ANSI long-time inverse-time characteristics 611 series Technical Manual...
  • Page 461 Section 9 1MRS757454 D General function block features A070820 V2 EN Figure 228: IEC normal inverse-time characteristics 611 series Technical Manual...
  • Page 462 Section 9 1MRS757454 D General function block features A070821 V2 EN Figure 229: IEC very inverse-time characteristics 611 series Technical Manual...
  • Page 463 Section 9 1MRS757454 D General function block features A070822 V2 EN Figure 230: IEC inverse-time characteristics 611 series Technical Manual...
  • Page 464 Section 9 1MRS757454 D General function block features A070823 V2 EN Figure 231: IEC extremely inverse-time characteristics 611 series Technical Manual...
  • Page 465 Section 9 1MRS757454 D General function block features A070824 V2 EN Figure 232: IEC short-time inverse-time characteristics 611 series Technical Manual...
  • Page 466 Section 9 1MRS757454 D General function block features A070825 V2 EN Figure 233: IEC long-time inverse-time characteristics 611 series Technical Manual...
  • Page 467: User-Programmable Inverse-Time Characteristics

    Section 9 1MRS757454 D General function block features 9.2.1.2 User-programmable inverse-time characteristics The user can define curves by entering parameters into the following standard formula:       ⋅      −   ...
  • Page 468 Section 9 1MRS757454 D General function block features t[s] Operate time (in seconds) Time multiplier Measured current Start value I> 611 series Technical Manual...
  • Page 469 Section 9 1MRS757454 D General function block features A070826 V2 EN Figure 234: RI-type inverse-time characteristics 611 series Technical Manual...
  • Page 470 Section 9 1MRS757454 D General function block features A070827 V2 EN Figure 235: RD-type inverse-time characteristics 611 series Technical Manual...
  • Page 471: Reset In Inverse-Time Modes

    Section 9 1MRS757454 D General function block features 9.2.2 Reset in inverse-time modes The user can select the reset characteristics by using the Type of reset curve setting. Table 477: Values for reset mode Setting name Possible values Type of reset curve 1=Immediate 2=Def time reset 3=Inverse reset...
  • Page 472 Section 9 1MRS757454 D General function block features t[s] Reset time (in seconds) Time multiplier Measured current Start value I> Table 478: Coefficients for ANSI delayed inverse reset curves Curve name (1) ANSI Extremely Inverse 29.1 (2) ANSI Very Inverse 21.6 (3) ANSI Normal Inverse 0.46...
  • Page 473 Section 9 1MRS757454 D General function block features A070828 V1 EN Figure 236: ANSI extremely inverse reset time characteristics 611 series Technical Manual...
  • Page 474 Section 9 1MRS757454 D General function block features A070829 V1 EN Figure 237: ANSI very inverse reset time characteristics 611 series Technical Manual...
  • Page 475 Section 9 1MRS757454 D General function block features A070830 V1 EN Figure 238: ANSI normal inverse reset time characteristics 611 series Technical Manual...
  • Page 476 Section 9 1MRS757454 D General function block features A070831 V1 EN Figure 239: ANSI moderately inverse reset time characteristics 611 series Technical Manual...
  • Page 477 Section 9 1MRS757454 D General function block features A070832 V1 EN Figure 240: ANSI long-time extremely inverse reset time characteristics 611 series Technical Manual...
  • Page 478 Section 9 1MRS757454 D General function block features A070833 V1 EN Figure 241: ANSI long-time very inverse reset time characteristics 611 series Technical Manual...
  • Page 479 Section 9 1MRS757454 D General function block features A070834 V1 EN Figure 242: ANSI long-time inverse reset time characteristics The delayed inverse-time reset is not available for IEC-type inverse time curves. User-programmable delayed inverse reset 611 series Technical Manual...
  • Page 480: Inverse-Timer Freezing

    Section 9 1MRS757454 D General function block features The user can define the delayed inverse reset time characteristics with the following formula using the set Curve parameter D.       [ ] = ⋅   ...
  • Page 481: Voltage Based Inverse Definite Minimum Time Characteristics

    Section 9 1MRS757454 D General function block features Voltage based inverse definite minimum time characteristics 9.3.1 IDMT curves for overvoltage protection In inverse-time modes, the operate time depends on the momentary value of the voltage, the higher the voltage, the faster the operate time. The operate time calculation or integration starts immediately when the voltage exceeds the set value of the Start value setting and the START output is activated.
  • Page 482 Section 9 1MRS757454 D General function block features GUID-BCFE3F56-BFA8-4BCC-8215-30C089C80EAD V1 EN Figure 243: Operate time curve based on IDMT characteristic with Minimum operate time set to 0.5 second 611 series Technical Manual...
  • Page 483: Standard Inverse-Time Characteristics For Overvoltage Protection

    Section 9 1MRS757454 D General function block features GUID-90BAEB05-E8FB-4F8A-8F07-E110DD63FCCF V1 EN Figure 244: Operate time curve based on IDMT characteristic with Minimum operate time set to 1 second 9.3.1.1 Standard inverse-time characteristics for overvoltage protection The operate times for the standard overvoltage IDMT curves are defined with the coefficients A, B, C, D and E.
  • Page 484 Section 9 1MRS757454 D General function block features ⋅       − >   × −   >   (Equation 46) GUID-6E9DC0FE-7457-4317-9480-8CCC6D63AB35 V2 EN t [s] operate time in seconds measured voltage U> the set value of Start value Time multiplier...
  • Page 485 Section 9 1MRS757454 D General function block features GUID-ACF4044C-052E-4CBD-8247-C6ABE3796FA6 V1 EN Figure 245: Inverse curve A characteristic of overvoltage protection 611 series Technical Manual...
  • Page 486 Section 9 1MRS757454 D General function block features GUID-F5E0E1C2-48C8-4DC7-A84B-174544C09142 V1 EN Figure 246: Inverse curve B characteristic of overvoltage protection 611 series Technical Manual...
  • Page 487: User Programmable Inverse-Time Characteristics For Overvoltage Protection

    Section 9 1MRS757454 D General function block features GUID-A9898DB7-90A3-47F2-AEF9-45FF148CB679 V1 EN Figure 247: Inverse curve C characteristic of overvoltage protection 9.3.1.2 User programmable inverse-time characteristics for overvoltage protection The user can define the curves by entering the parameters using the standard formula: 611 series Technical Manual...
  • Page 488: Idmt Curve Saturation Of Overvoltage Protection

    Section 9 1MRS757454 D General function block features ⋅       − >   × −   >   (Equation 47) GUID-6E9DC0FE-7457-4317-9480-8CCC6D63AB35 V2 EN t[s] operate time in seconds Curve parameter A the set value of the set value of Curve parameter B Curve parameter C...
  • Page 489: Standard Inverse-Time Characteristics For Undervoltage Protection

    Section 9 1MRS757454 D General function block features time mode. The set value depends on the selected curve type and the setting values used. The user determines the curve scaling with the Time multiplier setting. The Minimum operate time setting defines the minimum operate time possible for the IDMT mode.
  • Page 490 Section 9 1MRS757454 D General function block features GUID-35F40C3B-B483-40E6-9767-69C1536E3CBC V1 EN Figure 248: : Inverse curve A characteristic of undervoltage protection 611 series Technical Manual...
  • Page 491 Section 9 1MRS757454 D General function block features GUID-B55D0F5F-9265-4D9A-A7C0-E274AA3A6BB1 V1 EN Figure 249: Inverse curve B characteristic of undervoltage protection 9.3.2.2 User-programmable inverse-time characteristics for undervoltage protection The user can define curves by entering parameters into the standard formula: 611 series Technical Manual...
  • Page 492 Section 9 1MRS757454 D General function block features ⋅       < −   × −   <   (Equation 49) GUID-4A433D56-D7FB-412E-B1AB-7FD43051EE79 V2 EN t[s] operate time in seconds Curve parameter A the set value of the set value of Curve parameter B Curve parameter C...
  • Page 493 Section 9 1MRS757454 D General function block features regarded as out of range and a minimum or maximum value is held as the measured value respectively with appropriate quality information. The frequency estimation requires 160 ms to stabilize after a bad quality signal. Therefore, a delay of 160 ms is added to the transition from the bad quality.
  • Page 494 Section 9 1MRS757454 D General function block features ∑ (Equation 50) A070883 V3 EN n The number of samples in a calculation cycle The current sample value The DFT measurement principle is selected with the Measurement mode setting using the value "DFT". In the DFT mode, the fundamental frequency component of the measured signal is numerically calculated from the samples.
  • Page 495 Section 9 1MRS757454 D General function block features Calculated measurements Calculated residual current and voltage The residual current is calculated from the phase currents according to equation: = − (Equation 51) GUID-B9280304-8AC0-40A5-8140-2F00C1F36A9E V1 EN The residual voltage is calculated from the phase-to-earth voltages when the VT connection is selected as “Wye”...
  • Page 496 Section 9 1MRS757454 D General function block features The phase-to-earth voltages are calculated from the phase-to-phase voltages when VT connection is selected as "Delta" according to the equations. − (Equation 61) GUID-8581E9AC-389C-40C2-8952-3C076E74BDEC V1 EN − (Equation 62) GUID-9EB6302C-2DB8-482F-AAC3-BB3857C6F100 V1 EN −...
  • Page 497 Section 10 1MRS757454 D Requirements for measurement transformers Section 10 Requirements for measurement transformers 10.1 Current transformers 10.1.1 Current transformer requirements for overcurrent protection For reliable and correct operation of the overcurrent protection, the CT has to be chosen carefully. The distortion of the secondary current of a saturated CT may endanger the operation, selectivity, and co-ordination of protection.
  • Page 498 Section 10 1MRS757454 D Requirements for measurement transformers The actual accuracy limit factor is calculated using the formula: ≈ × A071141 V1 EN the accuracy limit factor with the nominal external burden S the internal secondary burden of the CT the actual external burden 10.1.1.2 Non-directional overcurrent protection...
  • Page 499 Section 10 1MRS757454 D Requirements for measurement transformers When defining the setting values for the low set stages, the saturation of the CT does not need to be taken into account and the start current setting is simply according to the formula.
  • Page 500 Section 10 1MRS757454 D Requirements for measurement transformers A071142 V1 EN Figure 250: Example of three-stage overcurrent protection The maximum three-phase fault current is 41.7 kA and the minimum three-phase short circuit current is 22.8 kA. The actual accuracy limit factor of the CT is calculated to be 59.
  • Page 501 Section 10 1MRS757454 D Requirements for measurement transformers Incoming feeder Phase A Phase B Busbar Phase C = 1.2Ω = 0.8Ω = 2.0Ω = 1.9Ω = 3.2Ω in1 + = 2.7Ω in2 + 3x required for three phases Outgoing feeder GUID-125D0534-32F1-4E09-8A34-CBF36D547735 V2 EN Figure 251: High-impedance busbar differential protection with different CT...
  • Page 502 Section 10 1MRS757454 D Requirements for measurement transformers The current transformers must be able to force enough current to operate the protection relay through the differential circuit during a fault condition inside the protection zone. To ensure this, the knee point voltage U must be at least two times higher than the stabilizing voltage U The required knee point voltage U...
  • Page 503 Section 10 1MRS757454 D Requirements for measurement transformers voltage-dependent resistor (VDR). The value of the primary current I at which the prim protection relay operates at a certain setting can be calculated using the formula = × + × prim (Equation 71) GUID-2A742729-7244-4B1C-A4DF-404BDD3A68D9 V1 EN the primary current at which the protection is to start...
  • Page 504 Section 10 1MRS757454 D Requirements for measurement transformers   × × ×       (Equation 72) GUID-AFA68232-5288-4220-845E-40347B691E29 V2 EN the rated accuracy limit factor corresponding to the rated burden S the rated secondary current of the CT the secondary internal resistance of the CT the volt-amp rating of the CT The formulas are based on selecting the CTs according to...
  • Page 505 Section 10 1MRS757454 D Requirements for measurement transformers The VDR is recommended when the peak voltage û ≥ 2kV, which is the insulation level for which the protection relay is tested. The maximum fault current in case of a fault inside the zone is considered to be 12.6 kA in primary, CT is of 1250/5 A (ratio n = 240), knee point voltage is 81 V and the stabilizing resistor is 330 Ohms.
  • Page 507 Section 11 1MRS757454 D Protection relay's physical connections Section 11 Protection relay's physical connections 11.1 Module slot numbering GUID-CA7EE83A-54EA-4C55-8A82-7DC70F11D91A V1 EN Figure 252: Module slot numbering 1 X000 2 X100 3 X120 4 X130 611 series Technical Manual...
  • Page 508 Section 11 1MRS757454 D Protection relay's physical connections 11.2 Protective earth connections GUID-9AF57ED6-2BF2-45F6-BC6C-DEF12DB9A899 V1 EN Figure 253: The protective earth screw is located between connectors X100 and X110 The earth lead must be at least 6.0 mm and as short as possible. 11.3 Binary and analog connections All binary and analog connections are described in the product...
  • Page 509 Section 11 1MRS757454 D Protection relay's physical connections • Galvanic RJ-45 Ethernet connection • Optical LC Ethernet connection • EIA-485 serial connection Fibre optic equipment and cables are very sensitive to dust and dirt. Handle them with care. If the fibre is disconnected from the modem, set the protective hood on the transmitter/receiver.
  • Page 510 Section 11 1MRS757454 D Protection relay's physical connections cable CAT 5e is used with the RJ-45 connector and an optical multi-mode cable (≤2 km) with the LC type connector. In addition, communication modules with multiple Ethernet connectors enable the forwarding of Ethernet traffic. These variants include an internal Ethernet switch that handles the Ethernet traffic between an protection relay and a station bus.
  • Page 511 Section 11 1MRS757454 D Protection relay's physical connections 11.4.5 Rear communication modules COM0001 COM0002 COM0003 COM0031 GUID-C1E55B43-E898-40AA-8B91-E0588F342DD7 V1 EN Figure 254: Communication module options Table 483: Station bus communication interfaces included in communication modules Module ID RJ-45 EIA-485 COM0001 COM0002 COM0003 COM0031 Table 484:...
  • Page 512 Section 11 1MRS757454 D Protection relay's physical connections Table 485: LED descriptions for COM0031 Connector Description X1/LAN1 link status and activity X2/LAN2 link status and activity X3/LAN3 link status and activity 11.4.5.1 COM0003 jumper locations and connections GUID-190BD4F7-3635-4666-A944-5311219A548A V1 EN Figure 255: Jumper connectors on communication module 611 series...
  • Page 513 Section 11 1MRS757454 D Protection relay's physical connections Table 486: 2-wire EIA-485 jumper connectors Group Jumper connection Description Notes A+ bias enabled COM2 2-wire connection A+ bias disabled B- bias enabled B- bias disabled Bus termination enabled Bus termination disabled B- bias enabled COM1 2-wire connection...
  • Page 514 Section 11 1MRS757454 D Protection relay's physical connections Group Jumper connection Description Notes B- bias enabled B- bias disabled A+ bias enabled COM2 A+ bias disabled 4-wire RX channel Bus termination enabled Bus termination disabled 1) Default setting It is recommended to enable biasing only at one end of the bus. Termination is enabled at each end of the bus.
  • Page 515 Section 11 1MRS757454 D Protection relay's physical connections 11.4.6 Recommended third-party industrial Ethernet switches • RuggedCom RS900 • RuggedCom RS1600 • RuggedCom RSG2100 611 series Technical Manual...
  • Page 517 Section 12 1MRS757454 D Technical data Section 12 Technical data Table 489: Dimensions Description Value Width Frame 177 mm Case 164 mm Height Frame 177 mm (4U) Case 160 mm Depth 201 mm (153 + 48 mm) Weight Complete protection relay 4.1 kg Plug-in unit only 2.1 kg...
  • Page 518 Section 12 1MRS757454 D Technical data Table 491: Energizing inputs Description Value Rated frequency 50/60 Hz Current inputs Rated current, I 0.2/1 A 1/5 A Thermal withstand capability: • Continuously 20 A • For 1 s 100 A 500 A Dynamic current withstand: •...
  • Page 519 Section 12 1MRS757454 D Technical data Table 494: Signal outputs and IRF output Description Value Rated voltage 250 V AC/DC Continuous contact carry Make and carry for 3.0 s 10 A Make and carry 0.5 s 15 A Breaking capacity when the control-circuit time 1 A/0.25 A/0.15 A constant L/R<40 ms, at 48/110/220 V DC Minimum contact load...
  • Page 520 Section 12 1MRS757454 D Technical data Table 497: Ethernet interfaces Ethernet interface Protocol Cable Data transfer rate Front TCP/IP Standard Ethernet CAT 5 cable with RJ-45 10 MBits/s protocol connector Rear TCP/IP Shielded twisted pair CAT 5e cable with 100 MBits/s protocol RJ-45 connector or fiber optic cable with LC connector...
  • Page 521 Section 12 1MRS757454 D Technical data Table 502: Environmental conditions Description Value Operating temperature range -25...+55ºC (continuous) Short-time service temperature range 1)2) -40...+85ºC (<16 h) Relative humidity <93%, non-condensing Atmospheric pressure 86...106 kPa Altitude Up to 2000 m Transport and storage temperature range -40...+85ºC 1) Degradation in MTBF and HMI performance outside the temperature range of -25...+55ºC 2) For relays with an LC communication interface, the maximum operating temperature is +70ºC...
  • Page 523 Section 13 1MRS757454 D Protection relay and functionality tests Section 13 Protection relay and functionality tests Table 503: Electromagnetic compatibility tests Description Type test value Reference 1 MHz/100 kHz burst IEC 61000-4-18 disturbance test IEC 60255-26, class III IEEE C37.90.1-2002 •...
  • Page 524 Section 13 1MRS757454 D Protection relay and functionality tests Description Type test value Reference Pulse magnetic field immunity 1000 A/m IEC 61000-4-9 test 6.4/16 µs Damped oscillatory magnetic IEC 61000-4-10 field immunity test • 100 A/m • 1 MHz 400 transients/s Voltage dips and short 30%/10 ms IEC 61000-4-11...
  • Page 525 Section 13 1MRS757454 D Protection relay and functionality tests Table 504: Insulation tests Description Type test value Reference Dielectric tests 2 kV, 50 Hz, 1 min IEC 60255-27 500 V, 50 Hz, 1 min, communication Impulse voltage test 5 kV, 1.2/50 μs, 0.5 J IEC 60255-27 1 kV, 1.2/50 μs, 0.5 J, communication...
  • Page 526 Section 13 1MRS757454 D Protection relay and functionality tests Table 508: EMC compliance Description Reference EMC directive 2004/108/EC Standard EN 60255-26 (2013) 611 series Technical Manual...
  • Page 527 Section 14 1MRS757454 D Applicable standards and regulations Section 14 Applicable standards and regulations EN 60255-1 EN 60255-26 EN 60255-27 EMC council directive 2004/108/EC EU directive 2002/96/EC/175 IEC 60255 Low-voltage directive 2006/95/EC IEC 61850 611 series Technical Manual...
  • Page 529 Section 15 1MRS757454 D Glossary Section 15 Glossary 100BASE-FX A physical medium defined in the IEEE 802.3 Ethernet standard for local area networks (LANs) that uses fiber optic cabling 100BASE-TX A physical medium defined in the IEEE 802.3 Ethernet standard for local area networks (LANs) that uses twisted-pair cabling category 5 or higher with RJ-45 connectors CAT 5...
  • Page 530 Section 15 1MRS757454 D Glossary GOOSE Generic Object-Oriented Substation Event Global Positioning System Human-machine interface High-availability seamless redundancy HTTPS Hypertext Transfer Protocol Secure IDMT Inverse definite minimum time International Electrotechnical Commission IEC 61850 International standard for substation communication and modeling IEC 61850-8-1 A communication protocol based on the IEC 61850 standard series...
  • Page 531 Section 15 1MRS757454 D Glossary 1. Personal computer 2. Polycarbonate PCM600 Protection and Control IED Manager Peak-to-peak 1. The amplitude of a waveform between its maximum positive value and its maximum negative value 2. A measurement principle where the measurement quantity is made by calculating the average from the positive and negative peak values without including the DC component.
  • Page 532 Section 15 1MRS757454 D Glossary Signal Matrix tool in PCM600 SNTP Simple Network Time Protocol SOTF Switch onto fault Software TCP/IP Transmission Control Protocol/Internet Protocol Trip-circuit supervision Type length value Coordinated universal time Voltage-depended resistor Voltage transformer Wide area network WHMI Web human-machine interface 611 series...
  • Page 536 — ABB Distribution Solutions Distribution Automation P.O. Box 699 FI-65101 VAASA, Finland Phone +358 10 22 11 www.abb.com/mediumvoltage www.abb.com/relion © Copyright 2019 ABB. All rights reserved.

Table of Contents