Page 1 — R E L I O N ® 650 SERIES Breaker protection REQ650 Version 2.1 Application manual...
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 and hardware described in this document is furnished under a license and may be used or disclosed only in accordance with the terms of such license.
Page 5 This document has been carefully checked by ABB but deviations cannot be completely ruled out. In case any errors are detected, the reader is kindly requested to notify the manufacturer.
Page 6 (Low-voltage directive 2006/95/EC). 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. The...
Page 7: Table Of Contents
Table of contents Table of contents Section 1 Introduction.......................13 This manual............................13 Intended audience..........................13 Product documentation........................14 1.3.1 Product documentation set...................... 14 1.3.2 Document revision history......................15 1.3.3 Related documents........................15 Document symbols and conventions...................16 1.4.1 Symbols............................16 1.4.2 Document conventions.......................17 IEC 61850 edition 1 / edition 2 mapping..................17 Section 2 Application......................21 General IED application........................
Page 8 Table of contents 4.2.4.2 Examples how to connect, configure and set VT inputs for most commonly used VT connections....................... 45 4.2.4.3 Examples on how to connect a three phase-to-earth connected VT to the IED..46 4.2.4.4 Example on how to connect a phase-to-phase connected VT to the IED....48 4.2.4.5 Example on how to connect an open delta VT to the IED for high impedance earthed or unearthed netwoeks...................
Page 9 Table of contents 6.5.3.1 Settings for each step ......................84 6.5.3.2 Common settings for all steps....................86 Sensitive directional residual overcurrent and power protection SDEPSDE ...... 87 6.6.1 Identification..........................87 6.6.2 Application............................88 6.6.3 Setting guidelines........................89 Thermal overload protection, one time constant, Celsius/Fahrenheit LCPTTR/LFPTTR..........................96 6.7.1 Identification..........................96...
Page 10 Table of contents 7.2.1 Identification..........................120 7.2.2 Application..........................120 7.2.3 Setting guidelines........................120 7.2.3.1 Equipment protection, such as for motors, generators, reactors and transformers..........................121 7.2.3.2 Equipment protection, capacitors..................121 7.2.3.3 Power supply quality......................121 7.2.3.4 High impedance earthed systems..................121 7.2.3.5 The following settings can be done for the two step overvoltage protection..
Page 11 Table of contents 9.1.3 Setting guidelines........................144 Fuse failure supervision FUFSPVC....................144 9.2.1 Identification..........................144 9.2.2 Application..........................144 9.2.3 Setting guidelines........................145 9.2.3.1 General............................145 9.2.3.2 Setting of common parameters..................145 9.2.3.3 Negative sequence based....................146 9.2.3.4 Zero sequence based......................146 9.2.3.5 Delta U and delta I ......................... 147 9.2.3.6 Dead line detection........................148 Section 10 Control......................
Page 12 Table of contents 10.2.1.4 Reservation function (QCRSV and RESIN)................. 170 10.2.2 Interaction between modules....................172 10.2.3 Setting guidelines........................173 10.2.3.1 Bay control (QCBAY)......................173 10.2.3.2 Switch controller (SCSWI)..................... 174 10.2.3.3 Switch (SXCBR/SXSWI)......................175 10.2.3.4 Bay Reserve (QCRSV)......................175 10.2.3.5 Reservation input (RESIN).....................175 10.3 Logic rotating switch for function selection and LHMI presentation SLGAPC....
Page 13 Table of contents 11.4 Logic for group indication INDCALH..................188 11.4.1 Identification..........................188 11.4.1.1 Application..........................188 11.4.1.2 Setting guidelines........................188 11.5 Configurable logic blocks......................188 11.5.1 Application..........................188 11.5.2 Setting guidelines........................188 11.5.2.1 Configuration..........................189 11.6 Fixed signal function block FXDSIGN..................189 11.6.1 Identification..........................189 11.6.2 Application..........................189 11.7...
Page 14 Table of contents 12.2.1 Identification..........................211 12.2.2 Application...........................211 12.2.3 Setting guidelines........................211 12.3 Liquid medium supervision SSIML....................212 12.3.1 Identification..........................212 12.3.2 Application..........................212 12.3.3 Setting guidelines........................212 12.4 Event function EVENT........................212 12.4.1 Identification..........................213 12.4.2 Application..........................213 12.4.3 Setting guidelines........................213 12.5 Disturbance report DRPRDRE......................
Page 15 Table of contents 14.2.2 Horizontal communication via GOOSE for interlocking GOOSEINTLKRCV....227 14.2.3 Setting guidelines........................227 14.2.4 IEC 61850-8-1 redundant station bus communication - PRP..........227 14.2.4.1 Identification...........................227 14.2.4.2 Application..........................227 14.2.4.3 Setting guidelines........................228 14.3 LON communication protocol.....................229 14.3.1 Application..........................229 14.3.2 MULTICMDRCV and MULTICMDSND..................
Page 16 Table of contents 16.5.3 Setting guidelines........................248 16.6 Summation block 3 phase 3PHSUM................... 248 16.6.1 Application..........................248 16.6.2 Setting guidelines........................248 16.7 Global base values GBASVAL....................... 248 16.7.1 Identification..........................248 16.7.2 Application..........................249 16.7.3 Setting guidelines........................249 16.8 Signal matrix for binary inputs SMBI..................249 16.8.1 Application..........................249 16.8.2...
Page 17 Table of contents Section 18 Glossary......................267 Application manual...
Page 19: Introduction
1MRK 505 355-UEN A Section 1 Introduction Section 1 Introduction This manual GUID-AB423A30-13C2-46AF-B7FE-A73BB425EB5F v19 The application manual contains application descriptions and setting guidelines sorted per function. The manual can be used to find out when and for what purpose a typical protection function can be used.
Page 20: Product Documentation
Section 1 1MRK 505 355-UEN A Introduction Product documentation 1.3.1 Product documentation set GUID-3AA69EA6-F1D8-47C6-A8E6-562F29C67172 v15 Engineering manual Installation manual Commissioning manual Operation manual Application manual Technical manual Communication protocol manual Cyber security deployment guideline IEC07000220-4-en.vsd IEC07000220 V4 EN-US Figure 1: The intended use of manuals throughout the product lifecycle The engineering manual contains instructions on how to engineer the IEDs using the various tools available within the PCM600 software.
Page 21: Document Revision History
1MRK 505 355-UEN A Section 1 Introduction The application manual contains application descriptions and setting guidelines sorted per function. The manual can be used to find out when and for what purpose a typical protection function can be used. The manual can also provide assistance for calculating settings. The technical manual contains operation principle descriptions, and lists function blocks, logic diagrams, input and output signals, setting parameters and technical data, sorted per function.
Page 22: Document Symbols And Conventions
Section 1 1MRK 505 355-UEN A Introduction 650 series manuals Document numbers Accessories guide IEC: 1MRK 514 012-UEN ANSI: 1MRK 514 012-UUS Cyber security deployment guideline 1MRK 511 382-UEN Connection and Installation components 1MRK 513 003-BEN Test system, COMBITEST 1MRK 512 001-BEN Document symbols and conventions 1.4.1 Symbols...
Page 23: Document Conventions
1MRK 505 355-UEN A Section 1 Introduction 1.4.2 Document conventions GUID-96DFAB1A-98FE-4B26-8E90-F7CEB14B1AB6 v8 • Abbreviations and acronyms in this manual are spelled out in the glossary. The glossary also contains definitions of important terms. • Push button navigation in the LHMI menu structure is presented by using the push button icons.
Page 24 Section 1 1MRK 505 355-UEN A Introduction Function block name Edition 1 logical nodes Edition 2 logical nodes EF4PTOC EF4LLN0 EF4PTRC EF4PTRC EF4RDIR EF4RDIR GEN4PHAR GEN4PHAR PH1PTOC PH1PTOC EFPIOC EFPIOC EFPIOC ETPMMTR ETPMMTR ETPMMTR FUFSPVC SDDRFUF FUFSPVC HZPDIF HZPDIF HZPDIF INDCALH INDCALH INDCALH...
Page 25 1MRK 505 355-UEN A Section 1 Introduction Function block name Edition 1 logical nodes Edition 2 logical nodes SESRSYN RSY1LLN0 AUT1RSYN AUT1RSYN MAN1RSYN MAN1RSYN SYNRSYN SYNRSYN SINGLELCCH SCHLCCH SLGAPC SLGGIO SLGAPC SMBRREC SMBRREC SMBRREC SMPPTRC SMPPTRC SMPPTRC SP16GAPC SP16GGIO SP16GAPC SPC8GAPC SPC8GGIO SPC8GAPC...
Page 27: Application
1MRK 505 355-UEN A Section 2 Application Section 2 Application General IED application GUID-3F024D79-D031-42DC-B0BC-1F3757B8D3E0 v3 Breaker protection REQ650 provides a standalone solution for applications where synchrocheck controlled closing of the circuit breaker is required, but the integration of the automatic reclosing function into the main line protection IED is not preferred or suitable. The advanced automatic reclosing, synchronizing, synchrocheck and energizing check functions of REQ650 provides an optimized standalone product.
Page 28: Control And Monitoring Functions
Section 2 1MRK 505 355-UEN A Application IEC 61850 ANSI Function description Breaker REQ650 (B11) EF4PTOC Four step residual overcurrent protection NS4PTOC 46I2 Four step directional negative phase sequence overcurrent protection SDEPSDE Sensitive directional residual overcurrent and power protection LCPTTR Thermal overload protection, one time constant, Celsius LFPTTR...
Page 29 1MRK 505 355-UEN A Section 2 Application IEC 61850 ANSI Function description Breaker REQ650 (B11) I103CMD Function commands for IEC 60870-5-103 I103GENCMD Function commands generic for IEC 60870-5-103 I103POSCMD IED commands with position and select for IEC 60870-5-103 I103POSCMDV IED direct commands with position for IEC 60870-5-503 I103IEDCMD IED commands for IEC 60870-5-103 I103USRCMD...
Page 30: Communication
Section 2 1MRK 505 355-UEN A Application IEC 61850 ANSI Function description Breaker REQ650 (B11) BINSTATREP Logical signal status report RANGE_XP Measured value expander block I103MEAS Measurands for IEC 60870-5-103 I103MEASUSR Measurands user defined signals for IEC 60870-5-103 I103AR Function status auto-recloser for IEC 60870-5-103 I103EF Function status earth-fault for IEC 60870-5-103 I103FLTPROT...
Page 31 1MRK 505 355-UEN A Section 2 Application IEC 61850 ANSI Function description Breaker REQ650 (B11) DNPGENTCP DNP3.0 communication general TCP protocol CHSERRS485 DNP3.0 for EIA-485 communication protocol CH1TCP, CH2TCP, DNP3.0 for TCP/IP communication protocol CH3TCP, CH4TCP CHSEROPT DNP3.0 for TCP/IP and EIA-485 communication protocol MSTSER DNP3.0 for serial communication protocol MST1TCP,...
Page 32: Basic Ied Functions
Section 2 1MRK 505 355-UEN A Application Basic IED functions GUID-C8F0E5D2-E305-4184-9627-F6B5864216CA v10 Table 3: Basic IED functions IEC 61850 or function Description name INTERRSIG Self supervision with internal event list SELFSUPEVLST Self supervision with internal event list TIMESYNCHGEN Time synchronization module BININPUT, Time synchronization SYNCHCAN,...
Page 33 1MRK 505 355-UEN A Section 2 Application Table 4: Local HMI functions IEC 61850 or function ANSI Description name LHMICTRL Local HMI signals LANGUAGE Local human machine language SCREEN Local HMI Local human machine screen behavior FNKEYTY1–FNKEYTY5 Parameter setting function for HMI in PCM600 FNKEYMD1–...
Page 35: Configuration
The configurations are as far as found necessary provided with application comments to explain why the signals have been connected in the special way. On request, ABB is available to support the re-configuration work, either directly or to do the design checking.
Page 36 Section 3 1MRK 505 355-UEN A Configuration REQ650 B11 – Single breaker with single phase tripping 12AI (7I+5U) WA2_VT VN MMXU WA1_VT 1→0 1->0 5(0→1) SC/VC VN MMXU SMP PTRC SMP PTRC SMB RREC SES RSYN Control Q CBAY q> 50STB 3I>STB STB PTOC...
Page 37: Analog Inputs
1MRK 505 355-UEN A Section 4 Analog inputs Section 4 Analog inputs Introduction SEMOD55003-5 v10 Analog input channels must be configured and set properly in order to get correct measurement results and correct protection operations. For power measuring and all directional and differential functions the directions of the input currents must be defined in order to reflect the way the current transformers are installed/connected in the field ( primary and secondary connections ).
Page 38: Setting Of Current Channels
Section 4 1MRK 505 355-UEN A Analog inputs 4.2.2 Setting of current channels SEMOD55055-16 v5 The direction of a current to the IED is depending on the connection of the CT. Unless indicated otherwise, the main CTs are supposed to be star connected and can be connected with the earthing point to the object or from the object.
Page 39: Example 2
1MRK 505 355-UEN A Section 4 Analog inputs Line Transformer Line Reverse Forward Definition of direction for directional functions Transformer protection Line protection Setting of current input: Setting of current input: Setting of current input: Set parameter Set parameter Set parameter CTStarPoint with CTStarPoint with CTStarPoint with...
Page 40: Example 3
Section 4 1MRK 505 355-UEN A Analog inputs Transformer Line Reverse Forward Definition of direction for directional functions Transformer protection Line protection Setting of current input: Setting of current input: Setting of current input: Set parameter Set parameter Set parameter CTStarPoint with CTStarPoint with CTStarPoint with...
Page 41 1MRK 505 355-UEN A Section 4 Analog inputs Transformer Line Forward Reverse Definition of direction for directional Transformer and line functions Line protection Setting of current input: Setting of current input: Set parameter Set parameter CTStarPoint with CTStarPoint with Transformer as Transformer as reference object.
Page 42: Examples On How To Connect, Configure And Set Ct Inputs For Most Commonly Used Ct Connections
Section 4 1MRK 505 355-UEN A Analog inputs Transformer Line Reverse Forward Definition of direction for directional Transformer and line functions Line protection Setting of current input for line functions: Set parameter CTStarPoint with Line as reference object. Setting of current input Setting of current input Correct setting is for transformer functions:...
Page 43: Example On How To Connect A Star Connected Three-Phase Ct Set To The Ied
1MRK 505 355-UEN A Section 4 Analog inputs Where: is symbol and terminal marking used in this document. Terminals marked with a square indicates the primary and secondary winding terminals with the same (that is, positive) polarity b) and are equivalent symbols and terminal marking used by IEC (ANSI) standard for CTs. Note that for these two cases the CT polarity marking is correct! It shall be noted that depending on national standard and utility practices, the rated secondary current of a CT has typically one of the following values:...
Page 44 Section 4 1MRK 505 355-UEN A Analog inputs CT 600/5 SMAI2 BLOCK AI3P Star Connected REVROT ^GRP2L1 ^GRP2L2 ^GRP2L3 ^GRP2N IEC13000002-4-en.vsdx Protected Object IEC13000002 V4 EN-US Figure 9: Star connected three-phase CT set with star point towards the protected object Where: The drawing shows how to connect three individual phase currents from a star connected three- phase CT set to the three CT inputs of the IED.
Page 45 1MRK 505 355-UEN A Section 4 Analog inputs These three connections are the links between the three current inputs and the three input channels of the preprocessing function block 4). Depending on the type of functions, which need this current information, more than one preprocessing block might be connected in parallel to the same three physical CT inputs.
Page 46 Section 4 1MRK 505 355-UEN A Analog inputs CTprim =600A • • CTsec =5A CTStarPoint =FromObject • Inside the IED only the ratio of the first two parameters is used. The third parameter as set in this example will negate the measured currents in order to ensure that the currents are measured towards the protected object within the IED.
Page 47: Example How To Connect Delta Connected Three-Phase Ct Set To The Ied
1MRK 505 355-UEN A Section 4 Analog inputs are three connections made in the Signal Matrix tool (SMT), Application configuration tool (ACT), which connects these three current inputs to the first three input channels on the preprocessing function block 6). Depending on the type of functions, which need this current information, more than one preprocessing block might be connected in parallel to these three CT inputs.
Page 48 Section 4 1MRK 505 355-UEN A Analog inputs IL1-IL2 SMAI2 BLOCK AI3P IL2-IL3 REVROT ^GRP2L1 IL3-IL1 ^GRP2L2 ^GRP2L3 ^GRP2N IEC11000027-3-en.vsdx Protected Object IEC11000027 V3 EN-US Figure 12: Delta DAB connected three-phase CT set Where: shows how to connect three individual phase currents from a delta connected three-phase CT set to three CT inputs of the IED.
Page 49: Example How To Connect Single-Phase Ct To The Ied
1MRK 505 355-UEN A Section 4 Analog inputs Another alternative is to have the delta connected CT set as shown in figure 13: IL1-IL3 SMAI2 BLOCK AI3P REVROT IL2-IL1 ^GRP2L1 ^GRP2L2 IL3-IL2 ^GRP2L3 ^GRP2N IEC11000028-3-en.vsdx Protected Object IEC11000028 V3 EN-US Figure 13: Delta DAC connected three-phase CT set In this case, everything is done in a similar way as in the above described example, except that...
Page 50: Relationships Between Setting Parameter Base Current, Ct Rated Primary Current And Minimum Pickup Of A Protection Ied
Section 4 1MRK 505 355-UEN A Analog inputs Protected Object SMAI2 BLOCK AI3P REVROT ^GRP2L1 ^GRP2L2 ^GRP2L3 ^GRP2N IEC11000029-4-en.vsdx IEC11000029 V4 EN-US Figure 14: Connections for single-phase CT input Where: shows how to connect single-phase CT input in the IED. is TRM where these current inputs are located.
Page 51: Setting Of Voltage Channels
1MRK 505 355-UEN A Section 4 Analog inputs CTs involved in the protection scheme. The rated CT primary current value is set as parameter CTPrim under the IED TRM settings. For all other protection applications (e.g. generator, shunt reactor, shunt capacitor and IBase parameter equal to the rated transformer protection) it is typically desirable to set current of the protected object.
Page 52: Examples On How To Connect A Three Phase-To-Earth Connected Vt To The Ied
Section 4 1MRK 505 355-UEN A Analog inputs (X1) (X1) (X1) (H1) (H1) (H1) (H2) (X2) (H2) (X2) (H2) (X2) en06000591.vsd IEC06000591 V1 EN-US Figure 15: Commonly used markings of VT terminals Where: is the symbol and terminal marking used in this document. Terminals marked with a square indicate the primary and secondary winding terminals with the same (positive) polarity is the equivalent symbol and terminal marking used by IEC (ANSI) standard for phase-to-earth connected VTs...
Page 53 1MRK 505 355-UEN A Section 4 Analog inputs SMAI2 BLOCK AI3P REVROT ^GRP2L1 ^GRP2L2 ^GRP2L3 ^GRP2N #Not used IEC06000599-4-en.vsdx IEC06000599 V4 EN-US Figure 16: A Three phase-to-earth connected VT Where: shows how to connect three secondary phase-to-earth voltages to three VT inputs on the IED is the TRM where these three voltage inputs are located.
Page 54: Example On How To Connect A Phase-To-Phase Connected Vt To The Ied
Section 4 1MRK 505 355-UEN A Analog inputs are three connections made in Signal Matrix Tool (SMT), which connect these three voltage inputs to first three input channels of the preprocessing function block 5). Depending on the type of functions which need this voltage information, more then one preprocessing block might be connected in parallel to these three VT inputs.
Page 55 1MRK 505 355-UEN A Section 4 Analog inputs 13.8 13.8 SMAI2 BLOCK AI3P REVROT ^GRP2L1 ^GRP2L2 ^GRP2L3 #Not Used ^GRP2N IEC06000600-5-en.vsdx IEC06000600 V5 EN-US Figure 17: A Two phase-to-phase connected VT Where: shows how to connect the secondary side of a phase-to-phase VT to the VT inputs on the IED is the TRM where these three voltage inputs are located.
Page 56: Example On How To Connect An Open Delta Vt To The Ied For High Impedance Earthed Or Unearthed Netwoeks
Section 4 1MRK 505 355-UEN A Analog inputs 4.2.4.5 Example on how to connect an open delta VT to the IED for high impedance earthed or unearthed netwoeks SEMOD55055-163 v8 Figure gives an example about the wiring of an open delta VT to the IED for high impedance earthed or unearthed power systems.
Page 57: Example How To Connect The Open Delta Vt To The Ied For Low Impedance Earthed Or Solidly Earthed Power Systems
1MRK 505 355-UEN A Section 4 Analog inputs Where: shows how to connect the secondary side of the open delta VT to one VT input on the IED. +3U0 shall be connected to the IED is the TRM where this voltage input is located. It shall be noted that for this voltage input the following setting values shall be entered: ×...
Page 58 Section 4 1MRK 505 355-UEN A Analog inputs Ph Ph Ph E (Equation 7) EQUATION1926 V1 EN-US The primary rated voltage of such VT is always equal to UPh-E Therefore, three series connected VT secondary windings will give the secondary voltage equal only to one individual VT secondary winding rating.
Page 59: Example On How To Connect A Neutral Point Vt To The Ied
1MRK 505 355-UEN A Section 4 Analog inputs Where: shows how to connect the secondary side of open delta VT to one VT input in the IED. +3Uo shall be connected to the IED. is TRM where this voltage input is located. It shall be noted that for this voltage input the following setting values shall be entered: ×...
Page 60 Section 4 1MRK 505 355-UEN A Analog inputs In case of a solid earth fault in high impedance earthed or unearthed systems the primary value of Uo voltage will be equal to: (Equation 11) EQUATION1931 V2 EN-US Figure 20gives an overview of required actions by the user in order to make this measurement available to the built-in protection and control functions within the IED.
Page 61 1MRK 505 355-UEN A Section 4 Analog inputs shows that in this example the first three input channel of the preprocessing block is not connected in SMT tool or ACT tool. shows the connection made in Signal Matrix Tool (SMT), Application configuration tool (ACT), which connects this voltage input to the fourth input channel of the preprocessing function block 5).
Page 63: Local Hmi
1MRK 505 355-UEN A Section 5 Local HMI Section 5 Local HMI AMU0600442 v14 IEC13000239-2-en.vsd IEC13000239 V2 EN-US Figure 21: Local human-machine interface The LHMI of the IED contains the following elements: • Keypad • Display (LCD) • LED indicators •...
Page 64: Display
Section 5 1MRK 505 355-UEN A Local HMI Display GUID-55739D4F-1DA5-4112-B5C7-217AAF360EA5 v11 The LHMI includes a graphical monochrome liquid crystal display (LCD) with a resolution of 320 x 240 pixels. The character size can vary. The amount of characters and rows fitting the view depends on the character size and the view that is shown.
Page 65: Leds
1MRK 505 355-UEN A Section 5 Local HMI IEC13000281-1-en.vsd GUID-C98D972D-D1D8-4734-B419-161DBC0DC97B V1 EN-US Figure 23: Function button panel The indication LED panel shows on request the alarm text labels for the indication LEDs. Three indication LED pages are available. IEC13000240-1-en.vsd GUID-5157100F-E8C0-4FAB-B979-FD4A971475E3 V1 EN-US Figure 24: Indication LED panel The function button and indication LED panels are not visible at the same time.
Page 66: Keypad
Section 5 1MRK 505 355-UEN A Local HMI three LED groups. The LEDs are lit according to priority, with red being the highest and green the lowest priority. For example, if on one panel there is an indication that requires the green LED to be lit, and on another panel there is an indication that requires the red LED to be lit, the red LED takes priority and is lit.
Page 67 1MRK 505 355-UEN A Section 5 Local HMI IEC15000157-2-en.vsd IEC15000157 V2 EN-US Figure 25: LHMI keypad with object control, navigation and command push-buttons and RJ-45 communication port 1...5 Function button Close Open Escape Left Down Right Enter Remote/Local Uplink LED Not in use Multipage Menu...
Page 68: Local Hmi Functionality
Section 5 1MRK 505 355-UEN A Local HMI Communication port Programmable indication LEDs IED status LEDs Local HMI functionality 5.4.1 Protection and alarm indication GUID-09CCB9F1-9B27-4C12-B253-FBE95EA537F5 v15 Protection indicators The protection indicator LEDs are Ready, Start and Trip. The start and trip LEDs are configured via the disturbance recorder. The yellow and red status LEDs are configured in the disturbance recorder function, DRPRDRE, by connecting a start or trip signal from the actual function to a BxRBDR binary input function block using the PCM600 and configure the...
Page 69: Parameter Management
1MRK 505 355-UEN A Section 5 Local HMI Table 7: Trip LED (red) LED state Description Normal operation. A protection function has tripped. An indication message is displayed if the auto-indication feature is enabled in the local HMI. The trip indication is latching and must be reset via communication, LHMI or binary input on the LEDGEN component.
Page 70 Section 5 1MRK 505 355-UEN A Local HMI IEC13000280-1-en.vsd GUID-AACFC753-BFB9-47FE-9512-3C4180731A1B V1 EN-US Figure 26: RJ-45 communication port and green indicator LED 1 RJ-45 connector 2 Green indicator LED The default IP address for the IED front port is 10.1.150.3 and the corresponding subnetwork mask is 255.255.255.0.
Page 71: Current Protection
1MRK 505 355-UEN A Section 6 Current protection Section 6 Current protection Instantaneous phase overcurrent protection PHPIOC IP14506-1 v6 6.1.1 Identification M14880-1 v4 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Instantaneous phase overcurrent PHPIOC protection 3-phase output 3I>>...
Page 72: Meshed Network Without Parallel Line
Section 6 1MRK 505 355-UEN A Current protection Only detailed network studies can determine the operating conditions under which the highest possible fault current is expected on the line. In most cases, this current appears during three-phase fault conditions. But also examine single-phase-to-earth and two-phase- to-earth conditions.
Page 73 1MRK 505 355-UEN A Section 6 Current protection Fault IEC09000023-1-en.vsd IEC09000023 V1 EN-US Figure 28: Through fault current from B to A: I The IED must not trip for any of the two through-fault currents. Hence the minimum theoretical current setting (Imin) will be: ³...
Page 74: Meshed Network With Parallel Line
Section 6 1MRK 505 355-UEN A Current protection 6.1.3.2 Meshed network with parallel line M12915-34 v6 In case of parallel lines, the influence of the induced current from the parallel line to the protected line has to be considered. One example is given in figure where the two lines are connected to the same busbars.
Page 75: Four Step Phase Overcurrent Protection Oc4Ptoc
1MRK 505 355-UEN A Section 6 Current protection Four step phase overcurrent protection OC4PTOC SEMOD129998-1 v7 6.2.1 Identification M14885-1 v5 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Four step phase overcurrent OC4PTOC 51_67 protection 3-phase output TOC-REVA V2 EN-US 6.2.2 Application...
Page 76: Setting Guidelines
Section 6 1MRK 505 355-UEN A Current protection to the current pick-up level. This multiplication factor is activated from a binary input signal to the function. Power transformers can have a large inrush current, when being energized. This phenomenon is due to saturation of the transformer magnetic core during parts of the period. There is a risk that inrush current will reach levels above the pick-up current of the phase overcurrent protection.
Page 77: Settings For Each Step
1MRK 505 355-UEN A Section 6 Current protection IEC09000636_1_vsd IEC09000636 V1 EN-US Figure 31: Directional function characteristic RCA = Relay characteristic angle ROA = Relay operating angle Reverse Forward 6.2.3.1 Settings for each step M12982-19 v10.1.1 x means step 1, 2, 3 and 4. DirModex : The directional mode of step x .
Page 78 Section 6 1MRK 505 355-UEN A Current protection Curve name ANSI Moderately Inverse ANSI/IEEE Definite time ANSI Long Time Extremely Inverse ANSI Long Time Very Inverse ANSI Long Time Inverse IEC Normal Inverse IEC Very Inverse IEC Inverse IEC Extremely Inverse IEC Short Time Inverse IEC Long Time Inverse IEC Definite Time...
Page 79 1MRK 505 355-UEN A Section 6 Current protection Operate time txMin IMinx Current IEC10000058 IEC10000058 V2 EN-US Figure 32: Minimum operate current and operate time for inverse time characteristics txMin shall be In order to fully comply with the definition of the curve, the setting parameter set to a value equal to the operating time of the selected inverse curve for twenty times the set current pickup value.
Page 80: Instantaneous Residual Overcurrent Protection Efpioc
Section 6 1MRK 505 355-UEN A Current protection æ ö ç ÷ ç ÷ × IxMult ç ÷ æ ö ç ç ÷ ÷ è è ø ø > (Equation 20) EQUATION1261 V2 EN-US tPRCrvx , tTRCrvx , tCRCrvx : These parameters are used by the customer to create the inverse Technical manual .
Page 81 1MRK 505 355-UEN A Section 6 Current protection calculation the operational state with high source impedance Z and low source impedance Z should be used. For the fault at the home busbar this fault current is I . In this calculation the operational state with low source impedance Z and high source impedance Z should be...
Page 82: Four Step Residual Overcurrent Protection Ef4Ptoc
Section 6 1MRK 505 355-UEN A Current protection Line 1 Fault Line 2 IEC09000025-1-en.vsd IEC09000025 V1 EN-US Figure 35: Two parallel lines. Influence from parallel line to the through fault current: I The minimum theoretical current setting (Imin) will in this case be: ³...
Page 83: Identification
1MRK 505 355-UEN A Section 6 Current protection 6.4.1 Identification M14881-1 v5 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Four step residual overcurrent EF4PTOC 51N_67N 4(IN>) protection TEF-REVA V2 EN-US 6.4.2 Setting guidelines IP14988-1 v1 M15282-3 v12 When inverse time overcurrent characteristic is selected, the operate time of the stage will be the sum of the inverse time delay and the set definite time...
Page 84 Section 6 1MRK 505 355-UEN A Current protection Protection operate time: 15-60 ms Protection resetting time: 15-60 ms Breaker opening time: 20-120 ms The different characteristics are described in the technical reference manual. tx : Definite time delay for step x . The definite time tx is added to the inverse time when inverse time characteristic is selected.
Page 85: Common Settings For All Steps
1MRK 505 355-UEN A Section 6 Current protection tResetx : Constant reset time delay in s for step x. HarmBlockx : This is used to enable block of step x from 2 harmonic restrain function. tPCrvx, tACrvx, tBCrvx, tCCrvx : Parameters for user programmable of inverse time characteristic curve.
Page 86: 2Nd Harmonic Restrain
Section 6 1MRK 505 355-UEN A Current protection Voltage (3U • or U Current (3I • · ZNpol or 3I ·ZNpol where ZNpol is RNpol + jXNpol), or Dual (dual polarizing, (3U • both currents and voltage, + 3I · ZNpol) or (U ·...
Page 87: Switch Onto Fault Logic
1MRK 505 355-UEN A Section 6 Current protection of the two transformers will be in phase opposition. The summation of the two currents will thus give a small 2 harmonic current. The residual fundamental current will however be significant. The inrush current of the transformer in service before the parallel transformer energizing, will be a little delayed compared to the first transformer.
Page 88: Four Step Directional Negative Phase Sequence Overcurrent Protection Ns4Ptoc
Section 6 1MRK 505 355-UEN A Current protection ActivationSOTF : This setting will select the signal to activate SOTF function; CB position open/CB position closed/CB close command . tSOTF : Time delay for operation of the SOTF function. The setting range is 0.000 - 60.000 s in step of 0.001 s.
Page 89: Setting Guidelines
1MRK 505 355-UEN A Section 6 Current protection earthed transmission systems. The directional negative sequence overcurrent protection is also well suited to operate in teleprotection communication schemes, which enables fast clearance of unsymmetrical faults on transmission lines. The directional function uses the voltage polarizing quantity.
Page 90: Settings For Each Step
Section 6 1MRK 505 355-UEN A Current protection Operation : Sets the protection to On or Off . GlobalBaseSel : Selects the global base value group used by the function to define ( IBase ), UBase ) and ( SBase ). GUID-F7AA2194-4D1C-4475-8853-C7D064912614 v4 When inverse time overcurrent characteristic is selected, the operate time of the stage will be the sum of the inverse time delay and the set definite time...
Page 91 1MRK 505 355-UEN A Section 6 Current protection tx : Definite time delay for step x . The definite time tx is added to the inverse time when inverse time characteristic is selected. Note that the value set is the time between activation of the start and the trip outputs.
Page 92: Common Settings For All Steps
Section 6 1MRK 505 355-UEN A Current protection For the programmable inverse time delay characteristics all three types of reset time characteristics are available; instantaneous (1), IEC (2 = set constant time reset) and ANSI (3 = pr , tr and cr current dependent reset time).
Page 93: Sensitive Directional Residual Overcurrent And Power Protection Sdepsde
1MRK 505 355-UEN A Section 6 Current protection Reverse Area Upol=-U2 AngleRCA Forward Area Iop = I2 IEC10000031-1-en.vsd IEC10000031 V1 EN-US Figure 40: Relay characteristic angle given in degree In a transmission network a normal value of RCA is about 80°. UPolMin : Minimum polarization (reference) voltage % of UBase .
Page 94: Application
Section 6 1MRK 505 355-UEN A Current protection 6.6.2 Application SEMOD171959-4 v11 In networks with high impedance earthing, the phase-to-earth fault current is significantly smaller than the short circuit currents. Another difficulty for earth fault protection is that the magnitude of the phase-to-earth fault current is almost independent of the fault location in the network.
Page 95: Setting Guidelines
1MRK 505 355-UEN A Section 6 Current protection Phase currents Phase- ground voltages IEC13000013-1-en.vsd IEC13000013 V1 EN-US Figure 41: Connection of SDEPSDE to analog preprocessing function block Overcurrent functionality uses true 3I0, i.e. sum of GRPxL1, GRPxL2 and GRPxL3. For 3I0 to be calculated, connection is needed to all three phase inputs.
Page 96 Section 6 1MRK 505 355-UEN A Current protection The fault current, in the fault point, can be calculated as: × phase + × (Equation 28) EQUATION1944 V1 EN-US The impedance Z is dependent on the system earthing. In an isolated system (without neutral point apparatus) the impedance is equal to the capacitive coupling between the phase conductors and earth: ×...
Page 97 1MRK 505 355-UEN A Section 6 Current protection Source impedance (pos. seq) (pos. seq) (zero seq) Substation A (pos. seq) lineAB,1 (zero seq) lineAB,0 Substation B (pos. seq) lineBC,1 (zero seq) lineBC,0 Phase to earth fault en06000654.vsd IEC06000654 V1 EN-US Figure 42: Equivalent of power system for calculation of setting The residual fault current can be written: phase...
Page 98 Section 6 1MRK 505 355-UEN A Current protection × (Equation 35) EQUATION1951 V1 EN-US × (Equation 36) EQUATION1952 V1 EN-US The residual power is a complex quantity. The protection will have a maximum sensitivity in the characteristic angle RCA. The apparent residual power component in the characteristic angle, measured by the protection, can be written: ×...
Page 99 1MRK 505 355-UEN A Section 6 Current protection RCADir ROADir ang(3I ) ang(3U × 3I cos IEC06000648-4-en.vsd IEC06000648 V4 EN-US Figure 43: Characteristic for RCADir equal to 0° RCADir equal to -90° is shown in Figure 44. The characteristic is for ...
Page 100 Section 6 1MRK 505 355-UEN A Current protection RCADir = 0º ROADir = 80º Operate area IEC06000652-3-en.vsd IEC06000652 V3 EN-US Figure 45: Characteristic for RCADir = 0° and ROADir = 80° DirMode is set Forward or Reverse to set the direction of the operation for the directional OpMode .
Page 101 1MRK 505 355-UEN A Section 6 Current protection SN> is the operate power level for the directional function when OpMode is set 3I03U0Cosfi . The setting is given in % of SBase . The setting should be based on calculation of the active or capacitive earth fault residual power at required sensitivity of the protection.
Page 102: Thermal Overload Protection, One Time Constant, Celsius/Fahrenheit Lcpttr/Lfpttr
Section 6 1MRK 505 355-UEN A Current protection See chapter “Inverse time characteristics” in Technical Manual for the description of different characteristics tPCrv, tACrv, tBCrv, tCCrv : Parameters for customer creation of inverse time characteristic curve (Curve type = 17). The time characteristic equation is: æ...
Page 103: Setting Guideline
1MRK 505 355-UEN A Section 6 Current protection In stressed situations in the power system it can be required to overload lines and cables for a limited time. This should be done while managing the risks safely. The thermal overload protection provides information that makes a temporary overloading of cables and lines possible.
Page 104: Breaker Failure Protection Ccrbrf
Section 6 1MRK 505 355-UEN A Current protection Breaker failure protection CCRBRF IP14514-1 v6 6.8.1 Identification M14878-1 v5 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Breaker failure protection, 3-phase CCRBRF 50BF activation and output 3I>BF SYMBOL-U V1 EN-US 6.8.2 Application...
Page 105 1MRK 505 355-UEN A Section 6 Current protection CB Pos Check means that a phase current must be larger than the operate level to allow re-trip. (circuit breaker position check) and Contact means re-trip is done when circuit breaker is No CBPos Check means re-trip is done without check of closed (breaker position is used).
Page 106 Section 6 1MRK 505 355-UEN A Current protection t2 : Time delay of the back-up trip. The choice of this setting is made as short as possible at the same time as unwanted operation must be avoided. Typical setting is 90 – 200ms (also dependent of re-trip timer).
Page 107: Breaker Failure Protection, Single Phase Version Ccsrbrf
1MRK 505 355-UEN A Section 6 Current protection when gas pressure is low in a SF6 circuit breaker, of others. After the set time an alarm is given, so that actions can be done to repair the circuit breaker. The time delay for back-up trip is bypassed when the CBFLT is active.
Page 108 Section 6 1MRK 505 355-UEN A Current protection Current&Contact means that both ways of indicator of failure of the breaker. The mode detections are activated. Contact mode can be usable in applications where the fault current through the circuit breaker is small. This can be the case for some generator protection application (for example, reverse power protection) or in case of line ends with weak end infeed.
Page 109: Stub Protection Stbptoc
1MRK 505 355-UEN A Section 6 Current protection Protection operate time Normal t cbopen Retrip delay t1 after re-trip The fault cbopen occurs BFPreset Margin Minimum back-up trip delay t2 Critical fault clearance time for stability Time Trip and Start CCRBRF IEC05000479_2_en.vsd IEC05000479 V2 EN-US...
Page 110: Setting Guidelines
Section 6 1MRK 505 355-UEN A Current protection by opening the disconnector to the protected object. This will, however, disable the normal object protection (for example the distance protection) of the energized part between the circuit breakers and the open disconnector. Stub protection STBPTOC is a simple phase overcurrent protection, fed from the two current transformer groups feeding the object taken out of service.
Page 111: Directional Underpower Protection Guppdup
1MRK 505 355-UEN A Section 6 Current protection I> : Current level for the Stub protection, set in % of IBase . This parameter should be set so that all faults on the stub can be detected. The setting should thus be based on fault calculations. t : Time delay of the operation.
Page 112 Section 6 1MRK 505 355-UEN A Current protection The critical time to overheating a steam turbine varies from about 0.5 to 30 minutes depending on the type of turbine. A high-pressure turbine with small and thin blades will become overheated more easily than a low-pressure turbine with long and heavy blades. The conditions vary from turbine to turbine and it is necessary to ask the turbine manufacturer in each case.
Page 113: Setting Guidelines
1MRK 505 355-UEN A Section 6 Current protection 6.11.3 Setting guidelines SEMOD172134-4 v7 GlobalBaseSel : Selects the global base value group used by the function to define ( IBase ), UBase ) and ( SBase ). Operation : With the parameter Operation the function can be set On / Off . Mode : The voltage and current used for the power measurement.
Page 114 Section 6 1MRK 505 355-UEN A Current protection Power1(2) Angle1(2) Operate en06000441.vsd IEC06000441 V1 EN-US Figure 50: Underpower mode Power1(2) gives the power component pick up value in the Angle1(2) direction. The The setting setting is given in p.u. of the generator rated power, see equation 54. Minimum recommended setting is 0.2% of S when metering class CT inputs into the IED are used.
Page 115 1MRK 505 355-UEN A Section 6 Current protection Operate ° Angle1(2) = 0 Power1(2) en06000556.vsd IEC06000556 V1 EN-US Figure 51: For low forward power the set angle should be 0° in the underpower function TripDelay1(2) is set in seconds to give the time delay for trip of the stage after pick up. Hysteresis1(2) is given in p.u.
Page 116: Directional Overpower Protection Goppdop
Section 6 1MRK 505 355-UEN A Current protection UAmpComp5, UAmpComp30, UAmpComp100 IAngComp5, IAngComp30, IAngComp100 The angle compensation is given as difference between current and voltage angle errors. The values are given for operating points 5, 30 and 100% of rated current/voltage. The values should be available from instrument transformer test protocols.
Page 117 1MRK 505 355-UEN A Section 6 Current protection 2% of rated power. Even if the turbine rotates in vacuum, it will soon become overheated and damaged. The turbine overheats within minutes if the turbine loses the vacuum. The critical time to overheating of a steam turbine varies from about 0.5 to 30 minutes depending on the type of turbine.
Page 118: Setting Guidelines
Section 6 1MRK 505 355-UEN A Current protection 6.12.3 Setting guidelines SEMOD172150-4 v7 GlobalBaseSel : Selects the global base value group used by the function to define ( IBase ), UBase ) and ( SBase ). Operation : With the parameter Operation the function can be set On / Off . Mode : The voltage and current used for the power measurement.
Page 119 1MRK 505 355-UEN A Section 6 Current protection Operate Power1(2) Angle1(2) en06000440.vsd IEC06000440 V1 EN-US Figure 53: Overpower mode Power1(2) gives the power component pick up value in the Angle1(2) direction. The The setting setting is given in p.u. of the generator rated power, see equation 67. Minimum recommended setting is 0.2% of S when metering class CT inputs into the IED are used.
Page 120 Section 6 1MRK 505 355-UEN A Current protection Angle1(2 ) = 180 Operate Power 1(2) IEC06000557-2-en.vsd IEC06000557 V2 EN-US Figure 54: For reverse power the set angle should be 180° in the overpower function TripDelay1(2) is set in seconds to give the time delay for trip of the stage after pick up. Hysteresis1(2) is given in p.u.
Page 121: Broken Conductor Check Brcptoc
1MRK 505 355-UEN A Section 6 Current protection IAmpComp5, IAmpComp30, IAmpComp100 UAmpComp5, UAmpComp30, UAmpComp100 IAngComp5, IAngComp30, IAngComp100 The angle compensation is given as difference between current and voltage angle errors. The values are given for operating points 5, 30 and 100% of rated current/voltage. The values should be available from instrument transformer test protocols.
Page 123: Voltage Protection
1MRK 505 355-UEN A Section 7 Voltage protection Section 7 Voltage protection Two step undervoltage protection UV2PTUV IP14544-1 v3 7.1.1 Identification M16876-1 v6 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Two step undervoltage protection UV2PTUV 3U<...
Page 124: Voltage Instability Mitigation
Section 7 1MRK 505 355-UEN A Voltage protection 7.1.2.4 Voltage instability mitigation M13851-59 v3 This setting is very much dependent on the power system characteristics, and thorough studies have to be made to find the suitable levels. 7.1.2.5 Backup protection for power system faults M13851-62 v3 The setting must be below the lowest occurring "normal"...
Page 125: Two Step Overvoltage Protection Ov2Ptov
1MRK 505 355-UEN A Section 7 Voltage protection tn : time delay of step n , given in s. This setting is dependent of the protection application. In many applications the protection function shall not directly trip when there is a short circuit or earth faults in the system.
Page 126: Identification
Section 7 1MRK 505 355-UEN A Voltage protection 7.2.1 Identification M17002-1 v7 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Two step overvoltage protection OV2PTOV 3U> SYMBOL-C-2U-SMALLER-THAN V2 EN-US 7.2.2 Application M13799-3 v8 Two step overvoltage protection OV2PTOV is applicable in all situations, where reliable detection of high voltage is necessary.
Page 127: Equipment Protection, Such As For Motors, Generators, Reactors And
1MRK 505 355-UEN A Section 7 Voltage protection is set to the nominal voltage level (phase-to-phase) of the power system or the high voltage equipment under consideration. The time delay for the OV2PTOV can sometimes be critical and related to the size of the overvoltage - a power system or a high voltage component can withstand smaller overvoltages for some time, but in case of large overvoltages the related equipment should be disconnected more rapidly.
Page 128 Section 7 1MRK 505 355-UEN A Voltage protection > × UBase kV ) / 3 and operation for phase-to-phase voltage over: > × (%) UBase(kV) (Equation 74) EQUATION1993 V1 EN-US The below described setting parameters are identical for the two steps (n = 1 or 2). Therefore the setting parameters are described only once.
Page 129: Two Step Residual Overvoltage Protection Rov2Ptov
1MRK 505 355-UEN A Section 7 Voltage protection CrvSatn × > (Equation 75) EQUATION1448 V1 EN-US HystAbsn : Absolute hysteresis set in % of UBase . The setting of this parameter is highly dependent of the application. If the function is used as control for automatic switching of reactive compensation devices the hysteresis must be set smaller than the voltage change after switching of the compensation device.
Page 130: Power Supply Quality
Section 7 1MRK 505 355-UEN A Voltage protection must be above the highest occurring "normal" residual voltage and below the highest acceptable residual voltage for the capacitor. 7.3.2.3 Power supply quality M13853-15 v3 The setting must be above the highest occurring "normal" residual voltage and below the highest acceptable residual voltage, due to regulation, good practice or other agreements.
Page 131: Direct Earthed System
1MRK 505 355-UEN A Section 7 Voltage protection IEC07000190 V1 EN-US Figure 55: Earth fault in Non-effectively earthed systems 7.3.2.5 Direct earthed system GUID-EA622F55-7978-4D1C-9AF7-2BAB5628070A v7 In direct earthed systems, an earth fault on one phase indicates a voltage collapse in that phase.
Page 132: Settings For Two Step Residual Overvoltage Protection
Section 7 1MRK 505 355-UEN A Voltage protection IEC07000189 V1 EN-US Figure 56: Earth fault in Direct earthed system 7.3.2.6 Settings for Two step residual overvoltage protection M13853-21 v12 Operation : Off or On UBase (given in GlobalBaseSel ) is used as voltage reference for the voltage. The voltage can be fed to the IED in different ways: The IED is fed from a normal voltage transformer group where the residual voltage is calculated internally from the phase-to-earth voltages within the protection.
Page 133 1MRK 505 355-UEN A Section 7 Voltage protection > × UBase kV (Equation 76) IECEQUATION2290 V1 EN-US The setting is dependent of the required sensitivity of the protection and the system earthing. In non-effectively earthed systems the residual voltage can be maximum the rated phase-to- earth voltage, which should correspond to 100%.
Page 134: Loss Of Voltage Check Lovptuv
Section 7 1MRK 505 355-UEN A Voltage protection Loss of voltage check LOVPTUV SEMOD171868-1 v2 7.4.1 Identification SEMOD171954-2 v2 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Loss of voltage check LOVPTUV 7.4.2 Application SEMOD171876-4 v3 The trip of the circuit breaker at a prolonged loss of voltage at all the three phases is normally used in automatic restoration systems to facilitate the system restoration after a major blackout.
Page 135: Multipurpose Protection
1MRK 505 355-UEN A Section 8 Multipurpose protection Section 8 Multipurpose protection General current and voltage protection CVGAPC IP14552-1 v2 8.1.1 Identification M14886-2 v3 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number General current and voltage CVGAPC 2(I>/U<) protection...
Page 136: Current And Voltage Selection For Cvgapc Function
Section 8 1MRK 505 355-UEN A Multipurpose protection • Definite time delay for both steps Two overvoltage steps with the following built-in features • Definite time delay or Inverse Time Overcurrent TOC/IDMT delay for both steps Two undervoltage steps with the following built-in features •...
Page 137 1MRK 505 355-UEN A Section 8 Multipurpose protection Set value for parameter Comment "CurrentInput” phase3 - phase1 CVGAPC function will measure the current phasor internally calculated as the vector difference between the phase L3 current phasor and phase L1 current phasor ( IL3-IL1) MaxPh-Ph CVGAPC function will measure ph-ph current phasor with the maximum magnitude...
Page 138: Base Quantities For Cvgapc Function
Section 8 1MRK 505 355-UEN A Multipurpose protection Set value for parameter Comment "VoltageInput" MaxPh-Ph CVGAPC function will measure ph-ph voltage phasor with the maximum magnitude MinPh-Ph CVGAPC function will measure ph-ph voltage phasor with the minimum magnitude UnbalancePh-Ph CVGAPC function will measure magnitude of unbalance voltage, which is internally calculated as the algebraic magnitude difference between the ph-ph voltage phasor with maximum magnitude and ph-ph voltage phasor with minimum magnitude.
Page 139: Inadvertent Generator Energization
1MRK 505 355-UEN A Section 8 Multipurpose protection • Special thermal overload protection • Open Phase protection • Unbalance protection Generator protection • 80-95% Stator earth fault protection (measured or calculated 3Uo) • Rotor earth fault protection (with external COMBIFLEX RXTTE4 injection unit) •...
Page 140: Setting Guidelines
Section 8 1MRK 505 355-UEN A Multipurpose protection will, with a delay for example 10 s, detect the situation when the generator is not connected to the grid (standstill) and activate the overcurrent function. The overvoltage function will detect the situation when the generator is taken into operation and will disable the overcurrent function.
Page 141: Negative Sequence Overcurrent Protection
1MRK 505 355-UEN A Section 8 Multipurpose protection Enable one overcurrent stage (for example, OC1) 10. By parameter CurveType_OC1 select appropriate TOC/IDMT or definite time delayed curve in accordance with your network protection philosophy StartCurr_OC1 to value between 3-10% (typical values) 11.
Page 142 Section 8 1MRK 505 355-UEN A Multipurpose protection æ ö ç ÷ è ø (Equation 78) EQUATION1372 V1 EN-US where: is the operating time in seconds of the negative sequence overcurrent IED is the generator capability constant in seconds is the measured negative sequence current is the generator rated current By defining parameter x equal to maximum continuous negative sequence rating of the generator in accordance with the following formula...
Page 143: Generator Stator Overload Protection In Accordance With Iec Or Ansi Standards
1MRK 505 355-UEN A Section 8 Multipurpose protection When the equation is compared with the equation for the inverse time characteristic of the OC1 it is obvious that if the following rules are followed: set k equal to the generator negative sequence capability value A_OC1 equal to the value 1/x2 B_OC1 = 0.0, C_OC1 =0.0 and P_OC1 =2.0 StartCurr_OC1 equal to the value x...
Page 144 Section 8 1MRK 505 355-UEN A Multipurpose protection This formula is applicable only when measured current (for example, positive sequence current) exceeds a pre-set value (typically in the range from 105 to 125% of the generator rated current). By defining parameter x equal to the per unit value for the desired pickup for the overload IED in accordance with the following formula: x = 116% = 1.16 pu (Equation 83)
Page 145: Open Phase Protection For Transformer, Lines Or Generators And Circuit Breaker Head Flashover Protection For Generators
1MRK 505 355-UEN A Section 8 Multipurpose protection select positive sequence current as measuring quantity for this CVGAPC function make sure that the base current value for CVGAPC function is equal to the generator rated current set k = 37.5 for the IEC standard or k = 41.4 for the ANSI standard A_OC1 = 1/1.162 = 0.7432 C_OC1 = 1/1.162 = 0.7432 B_OC1 = 0.0 and P_OC1 = 2.0...
Page 146: Voltage Restrained Overcurrent Protection For Generator And Step-Up Transformer
Section 8 1MRK 505 355-UEN A Multipurpose protection 8.1.3.5 Voltage restrained overcurrent protection for generator and step-up transformer M13088-158 v4 Example will be given how to use one CVGAPC function to provide voltage restrained overcurrent protection for a generator. Let us assume that the time coordination study gives the following required settings: •...
Page 147 1MRK 505 355-UEN A Section 8 Multipurpose protection ROADir to value 90 degree Set parameter Set parameter LowVolt_VM to value 5% Enable one overcurrent step (for example, OC1) CurveType_OC1 to value IEC Def. Time 10. Select parameter StartCurr_OC1 to value 38% 11.
Page 149: Secondary System Supervision
1MRK 505 355-UEN A Section 9 Secondary system supervision Section 9 Secondary system supervision Current circuit supervision CCSSPVC IP14555-1 v5 9.1.1 Identification M14870-1 v5 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Current circuit supervision CCSSPVC INd/I IEC15000306 V1 EN-US 9.1.2...
Page 150: Setting Guidelines
Section 9 1MRK 505 355-UEN A Secondary system supervision Current circuit supervision CCSSPVC must be sensitive and have short operate time in order to prevent unwanted tripping from fast-acting, sensitive numerical protections in case of faulty CT secondary circuits. Open CT circuits creates extremely high voltages in the circuits which is extremely dangerous for the personnel.
Page 151: Setting Guidelines
1MRK 505 355-UEN A Section 9 Secondary system supervision It is possible to use different measures to prevent such unwanted operations. Miniature circuit breakers in the voltage measuring circuits should be located as close as possible to the voltage instrument transformers, and shall be equipped with auxiliary contacts that are wired to the IEDs.
Page 152: Negative Sequence Based
Section 9 1MRK 505 355-UEN A Secondary system supervision the local breaker is open there is no current and the dead phase indication will persist in the phase with the blown fuse. When the local breaker closes the current will start to flow and the function detects the fuse failure situation.
Page 153: Delta U And Delta I
1MRK 505 355-UEN A Section 9 Secondary system supervision   UBase (Equation 88) EQUATION1521 V4 EN-US where: is the maximal zero sequence voltage during normal operation conditions, plus a margin of 10...20% GlobalBaseSel UBase is the base voltage for the function according to the setting 3I0<...
Page 154: Dead Line Detection
Section 9 1MRK 505 355-UEN A Secondary system supervision 9.2.3.6 Dead line detection M13683-78 v4 IDLD< for the The condition for operation of the dead line detection is set by the parameters UDLD< for the voltage threshold. current threshold and IDLD<...
Page 155: Section 10 Control
1MRK 505 355-UEN A Section 10 Control Section 10 Control 10.1 Autorecloser for 1 phase, 2 phase and/or 3 phase operation SMBRREC IP14559-1 v6 10.1.1 Identification M14890-1 v6 Function Description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Autorecloser for 1 phase, 2 phase and/or 3 SMBRREC phase...
Page 156 Section 10 1MRK 505 355-UEN A Control Line protection Operate time Operate time Closed Circuit breaker Open Break time Closing time Break time Fault duration Fault duration AR open time for breaker Set AR open time Reclaim time Auto-reclosing function IEC04000146.vsd IEC04000146 V2 EN-US Figure 58: Single-shot automatic reclosing at a permanent fault...
Page 157 1MRK 505 355-UEN A Section 10 Control the line dead time. Otherwise these two times may differ as one line end might have a slower trip than the other end which means that the line will not be dead until both ends have opened. If the fault is permanent, the line protection will trip again when reclosing is attempted in order to clear the fault.
Page 158: Auto-Reclosing Operation Off And On
Section 10 1MRK 505 355-UEN A Control • Evolving fault where the fault during the dead-time spreads to another phase. The other two phases must then be tripped and a three phase dead-time and auto-reclose initiated • Permanent fault • Fault during three phase dead-time •...
Page 159: Start Auto-Reclosing From Cb Open Information
1MRK 505 355-UEN A Section 10 Control • CBREADY, CB ready for a reclosing cycle, for example, charged operating gear. • CBPOS to ensure that the CB was closed when the line fault occurred and start was applied. • No signal at input INHIBIT that is, no blocking or inhibit signal present. After the start has been accepted, it is latched in and an internal signal “Started”...
Page 160: Long Trip Signal
Section 10 1MRK 505 355-UEN A Control 10.1.2.6 Long trip signal M12391-117 v3 In normal circumstances the trip command resets quickly because of fault clearance. The user tTrip .If Extended t1=Off , a long trip signal interrupts can set a maximum trip pulse duration Extend t1 = On the long the reclosing sequence in the same way as a signal to input INHIBIT.
Page 161: Armode = 1/2Ph , 1-Phase Or 2-Phase Reclosing In The First Shot
1MRK 505 355-UEN A Section 10 Control ARMode = 1/2ph , 1-phase or 2-phase reclosing in the first shot. 10.1.2.10 M12391-136 v4 In 1-phase or 2-phase tripping, the operation is as in the above described example, program 1/2/3ph . If the first reclosing shot fails, a 3-phase trip will be issued and 3-phase mode reclosing can follow, if selected.
Page 162: External Selection Of Auto-Reclose Mode
Section 10 1MRK 505 355-UEN A Control MODEINT (integer) ARMode Type of fault 1st shot 2nd-5th shot 1ph + 1*2ph ....1/2ph + 1*3ph ..1ph + 1*2/3ph ..A start of a new reclosing cycle is blocked during the set “reclaim time” after the selected number of reclosing shots have been made.
Page 163: Transient Fault
1MRK 505 355-UEN A Section 10 Control 10.1.2.17 Transient fault M12391-208 v3 After the Reclosing command the reclaim timer keeps running for the set time. If no tripping tReclaim , the Auto-Reclosing will reset. The CB remains closed and the occurs within this time, operating gear recharges.
Page 164: Evolving Fault
Section 10 1MRK 505 355-UEN A Control SMBRREC BU-TRIP INHIBIT ZCVPSOF-TRIP UNSUCCL SMBO Lock-out RXMD1 CCRBRF TRBU CLOSE COMMAND MAIN ZAK CLOSE IEC05000315-4-en.vsd IEC05000315-WMF V4 EN-US Figure 60: Lock-out arranged with an external Lock-out relay SMBRREC BU-TRIP INHIBIT ZCVPSOF-TRIP UNSUCCL SMPPTRC SETLKOUT CLLKOUT...
Page 165: Automatic Continuation Of The Reclosing Sequence
1MRK 505 355-UEN A Section 10 Control 10.1.2.21 Automatic continuation of the reclosing sequence M12391-223 v4 SMBRREC function can be programmed to proceed to the following reclosing shots (if multiple shots are selected) even if start signals are not received from the protection functions, but the AutoCont = On and breaker is still not closed.
Page 166 Section 10 1MRK 505 355-UEN A Control CBPOS and CBREADY These should be connected to binary inputs to pick-up information from the CB. The CBPOS CBAuxContType is set NormOpen , which is the input is interpreted as CB Closed, if parameter default setting.
Page 167 1MRK 505 355-UEN A Section 10 Control Recommendations for output signals M12399-46 v8 Please see figure and default factory configuration for examples. SETON Indicates that Autorecloser for 1/2/3-phase operation (SMBRREC) function is switched on and operative. BLOCKED Indicates that SMRREC function is temporarily or permanently blocked. ACTIVE Indicates that SMBRREC is active, from start until end of Reclaim time.
Page 168: Auto-Recloser Parameter Settings
Section 10 1MRK 505 355-UEN A Control SMBRREC INPUT OUTPUT BLOCKED SETON BLKON INPROGR BLOCKOFF ACTIVE INHIBIT UNSUCCL SUCCL CBREADY CBPOS PLCLOST CLOSECB RESET PERMIT1P PREP3P PROTECTION READY START xxxx-TRIP STARTHS 1PT1 SKIPHS 2PT1 ZCVPSOF-TRIP 3PT1 TRSOTF ZMFPDIS-TRIP 3PT2 3PT3 THOLHOLD 3PT4 TR2P...
Page 169 1MRK 505 355-UEN A Section 10 Control Auto-reclosing open times, dead times t1 1Ph = 800ms . Due to the influence of Single-phase auto-reclosing time: A typical setting is energized phases the arc extinction may not be instantaneous. In long lines with high voltage the use of shunt reactors in the form of a star with a neutral reactor improves the arc extinction.
Page 170 Section 10 1MRK 505 355-UEN A Control FollowCB Follow CB = Off . The setting On can be used for delayed reclosing with The usual setting is long delay, to cover the case when a CB is being manually closed during the “auto-reclosing open time”...
Page 171: Apparatus Control Apc
1MRK 505 355-UEN A Section 10 Control AutoCont and tAutoContWait , Automatic continuation to the next shot if the CB is not closed within the set time AutoCont = Off . The tAutoContWait is the length of time SMBRREC waits The normal setting is AutoCont is set to On .
Page 172 Section 10 1MRK 505 355-UEN A Control • Operation of primary apparatuses • Select-Execute principle to give high security • Selection and reservation function to prevent simultaneous operation • Selection and supervision of operator place • Command supervision • Block/deblock of operation •...
Page 173 1MRK 505 355-UEN A Section 10 Control IEC 61850 -QB1 QCBAY SXCBR SCSWI SXCBR -QA1 SXCBR SCILO -QB9 SXSWI SCSWI SCILO en05000116.vsd IEC05000116 V1 EN-US Figure 64: Signal flow between apparatus control function blocks Accepted originator categories for PSTO If the requested command is accepted by the authority, the value will change. Otherwise the blocked-by-switching-hierarchy is set in the cause signal.
Page 174: Bay Control (Qcbay)
Section 10 1MRK 505 355-UEN A Control PSTO = All, then it is no priority between operator places. All operator places are allowed to operate. orCat attribute in originator category are defined in According to IEC 61850 standard the Table 21 Table 21: orCat attribute according to IE C61850 Value...
Page 175: Switch Controller (Scswi)
1MRK 505 355-UEN A Section 10 Control IEC13000016-2-en.vsd IEC13000016 V2 EN-US Figure 65: APC - Local remote function block 10.2.1.2 Switch controller (SCSWI) M16596-3 v4 SCSWI may handle and operate on one three-phase device or three one-phase switching devices. After the selection of an apparatus and before the execution, the switch controller performs the following checks and actions: •...
Page 176: Switches (Sxcbr/Sxswi)
Section 10 1MRK 505 355-UEN A Control In the case when there are three one-phase switches (SXCBR) connected to the switch controller function, the switch controller will "merge" the position of the three switches to the resulting three-phase position. In case of a pole discordance situation, that is, the positions of the one-phase switches are not equal for a time longer than a settable time;...
Page 177 1MRK 505 355-UEN A Section 10 Control transferred over the station bus for evaluation in the IED. After the evaluation the operation can be executed with high security. This functionality is realized over the station bus by means of the function blocks QCRSV and RESIN.
Page 178: Interaction Between Modules
Section 10 1MRK 505 355-UEN A Control The solution in Figure can also be realized over the station bus according to the application example in Figure 68. The solutions in Figure and Figure do not have the same high security compared to the solution in Figure 66, but instead have a higher availability, since no acknowledgment is required.
Page 179: Setting Guidelines
1MRK 505 355-UEN A Section 10 Control SMPPTRC SESRSYN Synchronizing (Trip logic) (Synchrocheck & Synchronizer) in progress Trip Synchrocheck QCBAY Operator place (Bay control) selection Open cmd Close cmd Res. req. SCSWI SXCBR (Switching control) Res. granted (Circuit breaker) QCRSV (Reservation) Res.
Page 180: Switch Controller (Scswi)
Section 10 1MRK 505 355-UEN A Control LocSta is true, only commands from station level are accepted, otherwise only commands from remote level are accepted. RemoteIncStation has only effect on the IEC 61850-8-1 The parameter communication. Further, when using IEC 61850 edition 1 communication, the Yes , since the command LocSta is not defined in parameter should be set to IEC 61850-8-1 edition 1.
Page 181: Switch (Sxcbr/Sxswi)
1MRK 505 355-UEN A Section 10 Control 10.2.3.3 Switch (SXCBR/SXSWI) M16675-3 v7 tStartMove is the supervision time for the apparatus to start moving after a command execution. When the time has expired, the switch function is reset, and a cause-code is given. tIntermediate time the position indication is allowed to be in an intermediate (00) During the state.
Page 182: Setting Guidelines
Section 10 1MRK 505 355-UEN A Control SWPOSN is an integer value output, giving the actual output number. Since the number of positions of the switch can be established by settings (see below), one must be careful in coordinating the settings with the configuration (if one sets the number of positions to x in settings –...
Page 183: Setting Guidelines
1MRK 505 355-UEN A Section 10 Control INVERTER VSGAPC INPUT PSTO INTONE IPOS1 IPOS2 SMBRREC NAM_POS1 CMDPOS12 SETON NAM_POS2 CMDPOS21 IEC07000112-3-en.vsd IEC07000112 V3 EN-US Figure 70: Control of Autorecloser from local HMI through Selector mini switch VSGAPC is also provided with IEC 61850 communication so it can be controlled from SA system as well.
Page 184: Automationbits, Command Function For Dnp3.0 Autobits
Section 10 1MRK 505 355-UEN A Control Operation : turning the function operation On / Off . There are two settings for every command output (totally 8): Latchedx : decides if the command signal for output x is Latched (steady) or Pulsed . tPulsex : if Latchedx is set to Pulsed , then tPulsex will set the length of the pulse (in seconds).
Page 185: Application
1MRK 505 355-UEN A Section 10 Control 10.7.2 Application M12445-3 v3 Single command, 16 signals (SINGLECMD) is a common function and always included in the IED. The IEDs may be provided with a function to receive commands either from a substation automation system or from the local HMI.
Page 186: Setting Guidelines
Section 10 1MRK 505 355-UEN A Control Single command function Function n SINGLECMD Function n CMDOUTy OUTy en04000207.vsd IEC04000207 V2 EN-US Figure 72: Application example showing a logic diagram for control of built-in functions Single command function Configuration logic circuits SINGLESMD Device 1 CMDOUTy...
Page 187 1MRK 505 355-UEN A Section 10 Control • Off, sets all outputs to 0, independent of the values sent from the station level, that is, the operator station or remote-control gateway. • Steady, sets the outputs to a steady signal 0 or 1, depending on the values sent from the station level.
Page 189: Section 11 Logic
1MRK 505 355-UEN A Section 11 Logic Section 11 Logic 11.1 Tripping logic SMPPTRC IP14576-1 v4 11.1.1 Identification SEMOD56226-2 v6 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Tripping logic SMPPTRC I->O SYMBOL-K V1 EN-US Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2...
Page 190: Three-Phase Tripping
Section 11 1MRK 505 355-UEN A Logic second time. In the event of a transient fault the slave breaker performs a three-phase reclosing onto the non-faulted line. The same philosophy can be used for two-phase tripping and autoreclosing. To prevent closing of a circuit breaker after a trip the function can block the closing. The two instances of the SMPPTRC function are identical except, for the name of the function block (SMPPTRC1 and SMPPTRC2).
Page 191 1MRK 505 355-UEN A Section 11 Logic The inputs 1PTRZ and 1PTREF are used for single-phase tripping for distance protection and directional earth fault protection as required. The inputs are combined with the phase selection logic and the start signals from the phase selector must be connected to the inputs PSL1, PSL2 and PSL3 to achieve the tripping on the respective single-phase trip outputs TRL1, TRL2 and TRL3.
Page 192: Single-, Two- Or Three-Phase Tripping
Section 11 1MRK 505 355-UEN A Logic 11.1.2.3 Single-, two- or three-phase tripping M14828-15 v3 The single-/two-/three-phase tripping mode provides single-phase tripping for single-phase faults, two-phase tripping for two-phase faults and three-phase tripping for multi-phase faults. The operating mode is always used together with an autoreclosing scheme with setting Program = 1/2/3Ph or Program = 1/3Ph attempt.
Page 193: Logic For Group Alarm Almcalh
1MRK 505 355-UEN A Section 11 Logic tWaitForPHS : Sets a duration after any of the inputs 1PTRZ or 1PTREF has been activated during which a phase selection must occur to get a single phase trip. If no phase selection has been achieved a three-phase trip will be issued after the time has elapsed.
Page 194: Logic For Group Indication Indcalh
Section 11 1MRK 505 355-UEN A Logic 11.4 Logic for group indication INDCALH 11.4.1 Identification GUID-3B5D4371-420D-4249-B6A4-5A168920D635 v4 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Logic for group indication INDCALH 11.4.1.1 Application GUID-9BAD30FB-4B75-4E14-82A8-6A59B09FA6EA v1 Group indication logic function INDCALH is used to route indication signals to different LEDs and/or output contacts on the IED.
Page 195: Configuration
1MRK 505 355-UEN A Section 11 Logic 11.5.2.1 Configuration GUID-D93E383C-1655-46A3-A540-657141F77CF0 v4 Logic is configured using the ACT configuration tool in PCM600. Execution of functions as defined by the configurable logic blocks runs according to a fixed sequence with different cycle times. For each cycle time, the function block is given an serial execution number.
Page 196: Boolean 16 To Integer Conversion B16I
Section 11 1MRK 505 355-UEN A Logic Example for use of GRP_OFF signal in FXDSIGN The Restricted earth fault function REFPDIF can be used both for auto-transformers and normal transformers. When used for auto-transformers, information from both windings parts, together with the neutral point current, needs to be available to the function.
Page 197: Boolean To Integer Conversion With Logical Node Representation, 16 Bit Btigapc
1MRK 505 355-UEN A Section 11 Logic function (like distance protection) to integer inputs from another function (like line differential protection). B16I does not have a logical node mapping. The Boolean 16 to integer conversion function (B16I) will transfer a combination of up to 16 binary inputs INx where 1≤x≤16 to an integer.
Page 198: Application
Section 11 1MRK 505 355-UEN A Logic 11.8.2 Application SEMOD175849-4 v5 Boolean 16 to integer conversion with logic node representation function BTIGAPC is used to transform a set of 16 binary (logical) signals into an integer. BTIGAPC can receive an integer from a station computer –...
Page 199: Identification
1MRK 505 355-UEN A Section 11 Logic 11.9.1 Identification SEMOD167941-2 v2 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Integer to boolean 16 conversion IB16 11.9.2 Application SEMOD158499-5 v4 Integer to boolean 16 conversion function (IB16) is used to transform an integer into a set of 16 binary (logical) signals.
Page 200: Integer To Boolean 16 Conversion With Logic Node Representation Itbgapc
Section 11 1MRK 505 355-UEN A Logic 11.10 Integer to Boolean 16 conversion with logic node representation ITBGAPC SEMOD158419-1 v3 11.10.1 Identification SEMOD167944-2 v4 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Integer to boolean 16 conversion ITBGAPC with logic node representation 11.10.2...
Page 201: Elapsed Time Integrator With Limit Transgression And Overflow Supervision Teigapc
1MRK 505 355-UEN A Section 11 Logic The sum of the numbers in column “Value when activated” when all OUTx (1≤x≤16) are active equals 65535. This is the highest integer that can be converted by the ITBGAPC function block. 11.11 Elapsed time integrator with limit transgression and overflow supervision TEIGAPC 11.11.1...
Page 202: Application
Section 11 1MRK 505 355-UEN A Logic 11.12.2 Application GUID-4C6D730D-BB1C-45F1-A719-1267234BF1B9 v1 The function gives the possibility to monitor the level of integer values in the system relative to each other or to a fixed value. It is a basic arithmetic function that can be used for monitoring, supervision, interlocking and other logics.
Page 203: Comparator For Real Inputs - Realcomp
1MRK 505 355-UEN A Section 11 Logic 11.13 Comparator for real inputs - REALCOMP 11.13.1 Identification GUID-0D68E846-5A15-4C2C-91A2-F81A74034E81 v1 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Comparator for real inputs REALCOMP Real<=> 11.13.2 Application GUID-5F7B1683-9799-4D27-B333-B184F8861A5B v1 The function gives the possibility to monitor the level of real values in the system relative to each other or to a fixed value.
Page 204 Section 11 1MRK 505 355-UEN A Logic EnaAbs = Absolute RefSource = SetValue SetValue = 100 RefPrefix = Kilo EqualBandHigh = 5.0 % of reference value EqualBandLow = 5.0 % of reference value Operation The function will set the outputs for the following conditions, INEQUAL will set when the INPUT is between the ranges of 95 to 105 kA.
Page 205: Section 12 Monitoring
1MRK 505 355-UEN A Section 12 Monitoring Section 12 Monitoring 12.1 Measurement GUID-9D2D47A0-FE62-4FE3-82EE-034BED82682A v1 12.1.1 Identification SEMOD56123-2 v7 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Measurements CVMMXN P, Q, S, I, U, f SYMBOL-RR V1 EN-US Phase current measurement CMMXU SYMBOL-SS V1 EN-US...
Page 206: Application
Section 12 1MRK 505 355-UEN A Monitoring Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Measurements CVMMXN IEC15000112 V1 EN-US Phase current measurement CMMXU IEC15000116 V1 EN-US Phase-phase voltage measurement VMMXU IEC15000117 V1 EN-US Current sequence component CMSQI measurement Isqi...
Page 207 1MRK 505 355-UEN A Section 12 Monitoring The measurement function, CVMMXN, provides the following power system quantities: • P, Q and S: three phase active, reactive and apparent power • PF: power factor • U: phase-to-phase voltage amplitude • I: phase current amplitude •...
Page 208: Zero Clamping
Section 12 1MRK 505 355-UEN A Monitoring Dead-band supervision can be used to report the measured signal value to the station level when a change in the measured value is above the set threshold limit or time integral of all changes since the last time value updating exceeds the threshold limit.
Page 209: Setting Guidelines
1MRK 505 355-UEN A Section 12 Monitoring ZeroDb for each and every signal separately for Zero clampings are also entirely handled by the each of the functions. For example, the zero clamping of U12 is handled by UL12ZeroDb in IL1ZeroDb in CMMXU ETC. VMMXU, zero clamping of I1 is handled by Example how CVMMXN is operating: The following outputs can be observed on the local HMI under Measurements/Monitoring/...
Page 210 Section 12 1MRK 505 355-UEN A Monitoring Mode : Selection of measured current and voltage. There are 9 different ways of calculating monitored three-phase values depending on the available VT inputs connected to the IED. See parameter group setting table. k : Low pass filter coefficient for power measurement, U and I.
Page 211 1MRK 505 355-UEN A Section 12 Monitoring XHiLim : High limit. XLowLim : Low limit. XLowLowLim : Low-low limit. XLimHyst : Hysteresis value in % of range and is common for all limits. All phase angles are presented in relation to defined reference channel. The parameter PhaseAngleRef defines the reference.
Page 212 Section 12 1MRK 505 355-UEN A Monitoring XRepTyp : Reporting type. Cyclic ( Cyclic ), amplitude deadband ( Dead band ) or integral deadband ( Int deadband ). The reporting interval is controlled by the parameter XDbRepInt . XDbRepInt : Reporting deadband setting. Cyclic reporting is the setting value and is reporting interval in seconds.
Page 213: Setting Examples
1MRK 505 355-UEN A Section 12 Monitoring 12.1.4.1 Setting examples SEMOD54481-4 v4 Three setting examples, in connection to Measurement function (CVMMXN), are provided: • Measurement function (CVMMXN) application for a OHL • Measurement function (CVMMXN) application on the secondary side of a transformer •...
Page 214 Section 12 1MRK 505 355-UEN A Monitoring Table 23: General settings parameters for the Measurement function Setting Short Description Selected Comments value Operation Operation Off/On Function must be PowAmpFact Amplitude factor to scale 1.000 It can be used during commissioning to power calculations achieve higher measurement accuracy.
Page 215 1MRK 505 355-UEN A Section 12 Monitoring Table 25: Settings for calibration parameters Setting Short Description Selected Comments value IAmpComp5 Amplitude factor to calibrate 0.00 current at 5% of Ir IAmpComp30 Amplitude factor to calibrate 0.00 current at 30% of Ir IAmpComp100 Amplitude factor to calibrate 0.00...
Page 216 Section 12 1MRK 505 355-UEN A Monitoring 110kV Busbar 200/1 31,5 MVA 110/36,75/(10,5) kV Yy0(d5) 500/5 L1L2 35 / 0,1kV 35kV Busbar IEC09000040-1-en.vsd IEC09000040-1-EN V1 EN-US Figure 81: Single line diagram for transformer application In order to measure the active and reactive power as indicated in figure 81, it is necessary to do the following: PhaseAngleRef data using Set correctly all CT and VT and phase angle reference channel...
Page 217: Gas Medium Supervision Ssimg
1MRK 505 355-UEN A Section 12 Monitoring Table 26: General settings parameters for the Measurement function Setting Short description Selected Comment value Operation Operation Off / On Function must be PowAmpFact Amplitude factor to scale 1.000 Typically no scaling is required power calculations PowAngComp Angle compensation for phase...
Page 218: Liquid Medium Supervision Ssiml
Section 12 1MRK 505 355-UEN A Monitoring TempLOLimit : Temperature lockout level of the gas medium • • tPresAlarm : Time delay for pressure alarm of the gas medium tPresLockOut : Time delay for level lockout indication of the gas medium •...
Page 219: Identification
1MRK 505 355-UEN A Section 12 Monitoring 12.4.1 Identification SEMOD167950-2 v2 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Event function EVENT S00946 V1 EN-US 12.4.2 Application M12805-6 v10 When using a Substation Automation system with LON or SPA communication, time-tagged events can be sent at change or cyclically from the IED to the station level.
Page 220: Identification
Section 12 1MRK 505 355-UEN A Monitoring 12.5.1 Identification M16055-1 v7 Function description IEC 61850 identification IEC 60617 ANSI/IEEE C37.2 identification device number Disturbance report DRPRDRE Disturbance report A1RADR - A4RADR Disturbance report B1RBDR - B8RBDR 12.5.2 Application M12152-3 v8 To get fast, complete and reliable information about disturbances in the primary and/or in the secondary system it is very important to gather information on fault currents, voltages and events.
Page 221 1MRK 505 355-UEN A Section 12 Monitoring Disturbance recorder (DR), Event recorder (ER), Indication (IND), Trip value recorder (TVR) and Event list (EL) function. User-defined names of binary and analog input signals is set using PCM600. The analog and binary signals appear with their user-defined names. The name is used in all related functions (Disturbance recorder (DR), Event recorder (ER), Indication (IND), Trip value recorder (TVR) and Event list (EL)).
Page 222: Recording Times
Section 12 1MRK 505 355-UEN A Monitoring sequence number. The sequence number is automatically increased by one for each new recording and is reset to zero at midnight. The maximum number of recordings stored in the IED is 100. The oldest recording will be overwritten when a new recording arrives (FIFO). Operation parameter has to be On .
Page 223: Binary Input Signals
1MRK 505 355-UEN A Section 12 Monitoring 12.5.3.2 Binary input signals M12179-90 v8 Up to 128 binary signals can be selected among internal logical and binary input signals. The configuration tool is used to configure the signals. For each of the 128signals, it is also possible to select if the signal is to be used as a trigger for the start of the Disturbance report and if the trigger should be activated on positive (1) or negative (0) slope.
Page 224: Consideration
Section 12 1MRK 505 355-UEN A Monitoring OperationM = Off , no waveform (samples) will be recorded and reported in graph. However, Trip value, pre-fault and fault value will be recorded and reported. The input channel can still be used to trig the disturbance recorder. OperationM = On , waveform (samples) will also be recorded and reported in graph.
Page 225: Application
1MRK 505 355-UEN A Section 12 Monitoring 12.6.2 Application GUID-F9D225B1-68F7-4D15-AA89-C9211B450D19 v3 The Logical signal status report (BINSTATREP) function makes it possible to poll signals from various other function blocks. BINSTATREP has 16 inputs and 16 outputs. The output status follows the inputs and can be read from the local HMI or via SPA communication.
Page 226: Setting Guidelines
Section 12 1MRK 505 355-UEN A Monitoring indicate the overflow as a pulse, which lasts up to the first count after rolling over to zero. In this case, periodic pulses will be generated at multiple overflow of the function. 12.7.3 Setting guidelines GUID-5AECCDBC-7385-4D9F-940C-9D4A0E59B106 v1 GUID-DA5DA8D7-4821-4BFB-86CC-28658E376270 v1...
Page 227: Section 13 Metering
1MRK 505 355-UEN A Section 13 Metering Section 13 Metering 13.1 Pulse-counter logic PCFCNT IP14600-1 v3 13.1.1 Identification M14879-1 v4 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Pulse-counter logic PCFCNT S00947 V1 EN-US 13.1.2 Application M13395-3 v6 Pulse-counter logic (PCFCNT) function counts externally generated binary pulses, for instance pulses coming from an external energy meter, for calculation of energy consumption values.
Page 228: Function For Energy Calculation And Demand Handling Etpmmtr
Section 13 1MRK 505 355-UEN A Metering The setting is common for all input channels on BIM, that is, if limit changes are made for inputs not connected to the pulse counter, the setting also influences the inputs on the same board used for pulse counting. 13.2 Function for energy calculation and demand handling ETPMMTR...
Page 229: Setting Guidelines
1MRK 505 355-UEN A Section 13 Metering EAFAccPlsQty , EARAccPlsQty , ERFAccPlsQty and ERVAccPlsQty of the energy metering function and then the pulse counter can be set-up to present the correct values by scaling in this function. Pulse counter values can then be presented on the local HMI in the same way and/or sent to the SA (Substation Automation) system through communication where the total energy then is calculated by summation of the energy pulses.
Page 231: Section 14 Station Communication
1MRK 505 355-UEN A Section 14 Station communication Section 14 Station communication 14.1 Communication protocols M14815-3 v12 Each IED is provided with a communication interface, enabling it to connect to one or many substation level systems or equipment, either on the Substation Automation (SA) bus or Substation Monitoring (SM) bus.
Page 232 Section 14 1MRK 505 355-UEN A Station communication Engineering Station HSI Workstation Gateway Base System Printer KIOSK 3 KIOSK 1 KIOSK 2 IEC09000135_en.v IEC09000135 V1 EN-US Figure 85: SA system with IEC 61850–8–1 M16925-3 v4 Figure86 shows the GOOSE peer-to-peer communication. Station HSI MicroSCADA Gateway...
Page 233: Horizontal Communication Via Goose For Interlocking Gooseintlkrcv
1MRK 505 355-UEN A Section 14 Station communication 14.2.2 Horizontal communication via GOOSE for interlocking GOOSEINTLKRCV SEMOD173197-1 v2 PID-415-SETTINGS v5 Table 27: GOOSEINTLKRCV Non group settings (basic) Name Values (Range) Unit Step Default Description Operation Operation Off/On 14.2.3 Setting guidelines SEMOD55317-5 v6 There are two settings related to the IEC 61850–8–1 protocol: Operation User can set IEC 61850 communication to On or Off .
Page 234: Setting Guidelines
Section 14 1MRK 505 355-UEN A Station communication Device 2 Device 1 PhyPortA PhyPortB PhyPortA PhyPortB Switch A Switch B PhyPortA PhyPortB PhyPortA PhyPortB Device 4 Device 3 IEC09000758-4-en.vsd IEC09000758 V4 EN-US Figure 87: Redundant station bus 14.2.4.3 Setting guidelines GUID-6AD04F29-9B52-40E7-AA07-6D248EF99FC6 v2 Redundant communication (PRP) is configured in the local HMI under Main menu/ Configuration/Communication/Ethernet configuration/PRP...
Page 235: Lon Communication Protocol
1MRK 505 355-UEN A Section 14 Station communication IEC10000057-3-en.vsd IEC10000057 V3 EN-US Figure 88: PST screen: PRP Operation is set to On, which affect Rear OEM - Port AB and CD which are both set to PRP 14.3 LON communication protocol IP14420-1 v1 14.3.1 Application...
Page 236 Section 14 1MRK 505 355-UEN A Station communication An optical network can be used within the station automation system. This enables communication with the IEDs through the LON bus from the operator’s workplace, from the control center and also from other IEDs via bay-to-bay horizontal communication. The fibre optic LON bus is implemented using either glass core or plastic core fibre optic cables.
Page 237: Multicmdrcv And Multicmdsnd
1MRK 505 355-UEN A Section 14 Station communication The communication speed of the LON bus is set to the default of 1.25 Mbit/s. This can be changed by LNT. 14.3.2 MULTICMDRCV and MULTICMDSND SEMOD119881-1 v3 14.3.2.1 Identification GUID-1A6E066C-6399-4D37-8CA5-3074537E48B2 v3 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2...
Page 238: Setting Guidelines
Section 14 1MRK 505 355-UEN A Station communication Utility LAN Remote monitoring Substation LAN IEC05000715-4-en.vsd IEC05000715 V4 EN-US Figure 90: SPA communication structure for a remote monitoring system via a substation LAN, WAN and utility LAN The SPA communication is mainly used for the Station Monitoring System. It can include different IEDs with remote communication possibilities.
Page 239: Iec 60870-5-103 Communication Protocol
1MRK 505 355-UEN A Section 14 Station communication The baud rate, which is the communication speed, can be set to between 300 and 38400 baud. Refer to technical data to determine the rated communication speed for the selected communication interfaces. The baud rate should be the same for the whole station, although different baud rates in a loop are possible.
Page 240 Section 14 1MRK 505 355-UEN A Station communication messages. For detailed information about IEC 60870-5-103, refer to IEC 60870 standard part 5: Transmission protocols, and to the section 103, Companion standard for the informative interface of protection equipment. Design M17109-41 v1 General M17109-43 v2 The protocol implementation consists of the following functions:...
Page 241 1MRK 505 355-UEN A Section 14 Station communication • Function status indication in monitor direction, user-defined Function blocks with user defined input signals in monitor direction, I103UserDef. These function blocks include the FUNCTION TYPE parameter for each block in the private range, and the INFORMATION NUMBER parameter for each input signal.
Page 242 Section 14 1MRK 505 355-UEN A Station communication disturbances that are recorded are available for transfer to the master. A file that has been transferred and acknowledged by the master cannot be transferred again. • The binary signals that are included in the disturbance recorder are those that are connected to the disturbance function blocks B1RBDR to B6RBDR.
Page 243 1MRK 505 355-UEN A Section 14 Station communication GUID-CD4EB23C-65E7-4ED5-AFB1-A9D5E9EE7CA8 V3 EN GUID-CD4EB23C-65E7-4ED5-AFB1-A9D5E9EE7CA8 V3 EN-US Figure 92: Settings for IEC 60870-5-103 communication The general settings for IEC 60870-5-103 communication are the following: SlaveAddress and BaudRate : Settings for slave number and communication speed (baud •...
Page 244 Section 14 1MRK 505 355-UEN A Station communication Recorded analog channels are sent with ASDU26 and ASDU31. One information element in these ASDUs is called ACC, and it indicates the actual channel to be processed. The channels on disturbance recorder are sent with an ACC as shown in Table 29. Table 29: Channels on disturbance recorder sent with a given ACC DRA#-Input IEC 60870-5-103 meaning...
Page 245: Dnp3 Communication Protocol
1MRK 505 355-UEN A Section 14 Station communication DRA#-Input IEC 60870-5-103 meaning Private range Private range Private range Function and information types M17109-145 v5 Product type IEC103mainFunType value Comment: REL 128 Compatible range REC 242 Private range, use default RED 192 Compatible range RET 176 Compatible range REB 207 Private range REQ 245 Private range...
Page 247: Section 15 Security
1MRK 505 355-UEN A Section 15 Security Section 15 Security 15.1 Authority status ATHSTAT SEMOD158575-1 v2 15.1.1 Application SEMOD158527-5 v3 Authority status (ATHSTAT) function is an indication function block, which informs about two events related to the IED and the user authorization: •...
Page 248: Change Lock Chnglck
CHNGLCK input. If such a situation would occur in spite of these precautions, then please contact the local ABB representative for remedial action. 15.4 Denial of service DOS 15.4.1...
Page 249: Setting Guidelines
1MRK 505 355-UEN A Section 15 Security controlled. Heavy network load might for instance be the result of malfunctioning equipment connected to the network. DOSFRNT, DOSLANAB and DOSLANCD measure the IED load from communication and, if necessary, limit it for not jeopardizing the IEDs control and protection functionality due to high CPU load.
Page 251: Section 16 Basic Ied Functions
IEDProdType The settings are visible on the local HMI , under Main menu/Diagnostics/IED status/Product identifiers and under Main menu/Diagnostics/IED Status/IED identifiers This information is very helpful when interacting with ABB product support (e.g. during repair and maintenance). 16.2.2 Factory defined settings...
Page 252: Measured Value Expander Block Range_Xp
Section 16 1MRK 505 355-UEN A Basic IED functions • Describes the firmware version. • The firmware version can be checked from Main menu/Diagnostics/IED status/ Product identifiers • Firmware version numbers run independently from the release production numbers. For every release number there can be one or more firmware versions depending on the small issues corrected in between releases.
Page 253: Parameter Setting Groups
1MRK 505 355-UEN A Section 16 Basic IED functions 16.4 Parameter setting groups IP1745-1 v1 16.4.1 Application M12007-6 v9 Six sets of settings are available to optimize IED operation for different power system conditions. By creating and switching between fine tuned setting sets, either from the local HMI or configurable binary inputs, results in a highly adaptable IED that can cope with a variety of power system scenarios.
Page 254: Setting Guidelines
Section 16 1MRK 505 355-UEN A Basic IED functions 16.5.3 Setting guidelines M15292-3 v2 Set the system rated frequency. Refer to section "Signal matrix for analog inputs SMAI" description on frequency tracking. 16.6 Summation block 3 phase 3PHSUM SEMOD55968-1 v2 16.6.1 Application SEMOD56004-4 v3...
Page 255: Application
1MRK 505 355-UEN A Section 16 Basic IED functions 16.7.2 Application GUID-D58ECA9A-9771-443D-BF84-8EF582A346BF v4 Global base values function (GBASVAL) is used to provide global values, common for all applicable functions within the IED. One set of global values consists of values for current, voltage and apparent power and it is possible to have twelve different sets.
Page 256: Setting Guidelines
Section 16 1MRK 505 355-UEN A Basic IED functions 16.9.2 Setting guidelines SEMOD55228-5 v2 There are no setting parameters for the Signal matrix for binary outputs SMBO available to the user in Parameter Setting tool. However, the user must give a name to SMBO instance and SMBO outputs, directly in the Application Configuration tool.
Page 257: Setting Guidelines
1MRK 505 355-UEN A Section 16 Basic IED functions Note that phase to phase inputs shall always be connected as follows: L1-L2 to GRPxL1, L2-L3 to GRPxL2, L3-L1 to GRPxL3. If SMAI setting ConnectionType is Ph-N , all three inputs GRPxL1, GRPxL2 and GRPxL3 must be connected in order to calculate the positive sequence voltage.
Page 258 Section 16 1MRK 505 355-UEN A Basic IED functions DFTReference : Reference DFT for the SMAI block use. These DFT reference block settings decide DFT reference for DFT calculations. The setting InternalDFTRef will use fixed DFT reference based on set system frequency. DFTRefGrp(n) will use DFT reference from the selected group block, when own group is selected, an adaptive DFT reference will be used based on calculated signal frequency from own group.
Page 259 1MRK 505 355-UEN A Section 16 Basic IED functions Task time group 1 SMAI instance 3 phase group SMAI1:1 SMAI2:2 SMAI3:3 AdDFTRefCh7 SMAI4:4 SMAI5:5 SMAI6:6 SMAI7:7 SMAI8:8 SMAI9:9 SMAI10:10 SMAI11:11 SMAI12:12 Task time group 2 SMAI instance 3 phase group SMAI1:13 AdDFTRefCh4 SMAI2:14...
Page 260 Section 16 1MRK 505 355-UEN A Basic IED functions SMAI1:13 BLOCK SPFCOUT DFTSPFC AI3P ^GRP1L1 ^GRP1L2 ^GRP1L3 SMAI1:1 ^GRP1N BLOCK SPFCOUT DFTSPFC AI3P ^GRP1L1 ^GRP1L2 ^GRP1L3 ^GRP1N SMAI1:25 BLOCK SPFCOUT DFTSPFC AI3P ^GRP1L1 ^GRP1L2 ^GRP1L3 ^GRP1N IEC07000198-2-en.vsd IEC07000198 V3 EN-US Figure 95: Configuration for using an instance in task time group 1 as DFT reference Assume instance SMAI7:7 in task time group 1 has been selected in the configuration to control the frequency tracking .
Page 261 1MRK 505 355-UEN A Section 16 Basic IED functions SMAI1:1 BLOCK SPFCOUT DFTSPFC AI3P ^GRP1L1 ^GRP1L2 ^GRP1L3 SMAI1:13 ^GRP1N BLOCK SPFCOUT DFTSPFC AI3P ^GRP1L1 ^GRP1L2 ^GRP1L3 ^GRP1N SMAI1:25 BLOCK SPFCOUT DFTSPFC AI3P ^GRP1L1 ^GRP1L2 ^GRP1L3 ^GRP1N IEC07000199-2-en.vsd IEC07000199 V3 EN-US Figure 96: Configuration for using an instance in task time group 2 as DFT reference.
Page 262: Test Mode Functionality Testmode
Section 16 1MRK 505 355-UEN A Basic IED functions A valid input voltage signal level for frequency measurement can be set with SMAI setting MinValFreqMeas in % of UBase. If the input signal level (positive sequence or single phase MinValFreqMeas level, then the frequency output is invalid and the voltage) is lower than the connected frequency functions will be blocked.
Page 263: Setting Guidelines
1MRK 505 355-UEN A Section 16 Basic IED functions When the setting of the DataObject Mod is changed at this level, all Logical Nodes inside the logical device update their own behavior according to IEC61850-7-4. The supported values of Communication protocol manual, IEC 61850 the function block TESTMODE are described in Edition 2 .
Page 264: Time Synchronization Timesynchgen
Section 16 1MRK 505 355-UEN A Basic IED functions Forcing of binary input and output signals is only possible when the IED is in IED test mode. 16.13 Time synchronization TIMESYNCHGEN IP1750-1 v2 16.13.1 Application M11345-3 v9 Use time synchronization to achieve a common time base for the IEDs in a protection and control system.
Page 265 1MRK 505 355-UEN A Section 16 Basic IED functions FineSyncSource can have the following values: • • • BIN (Binary Minute Pulse) • SNTP • IRIG-B • • CoarseSyncSrc which can have the following values: • • • • IEC 60870-5-103 •...
Page 267: Section 17 Requirements
1MRK 505 355-UEN A Section 17 Requirements Section 17 Requirements 17.1 Current transformer requirements IP15171-1 v2 M11609-3 v2 The performance of a protection function will depend on the quality of the measured current signal. Saturation of the current transformers (CTs) will cause distortion of the current signals and can result in a failure to operate or cause unwanted operations of some functions.
Page 268: Fault Current
Section 17 1MRK 505 355-UEN A Requirements and low remanence type. The results may not always be valid for non remanence type CTs (TPZ). The performances of the protection functions have been checked in the range from symmetrical to fully asymmetrical fault currents. Primary time constants of at least 120 ms have been considered at the tests.
Page 269: General Current Transformer Requirements
CT (TPZ) is not well defined as far as the phase angle error is concerned. If no explicit recommendation is given for a specific function we therefore recommend contacting ABB to confirm that the non remanence type can be used.
Page 270: Current Transformer Requirements For Cts According To Other Standards
Section 17 1MRK 505 355-UEN A Requirements æ ö ³ = × × × ç ÷ alreq è ø (Equation 92) EQUATION1380 V2 EN-US where: The primary operate value (A) The rated primary CT current (A) The rated secondary CT current (A) The rated current of the protection IED (A) The secondary resistance of the CT (W) The resistance of the secondary cable and additional load (W).
Page 271: Current Transformers According To Ansi/Ieee
1MRK 505 355-UEN A Section 17 Requirements » » » > × 0.8 maximum of E knee kneeBS alreq (Equation 94) EQUATION2100 V2 EN-US 17.1.7.3 Current transformers according to ANSI/IEEE M11623-22 v6 Current transformers according to ANSI/IEEE are partly specified in different ways. A rated secondary terminal voltage U is specified for a CT of class C.
Page 273 1MRK 505 355-UEN A Section 18 Glossary Section 18 Glossary M14893-1 v15 Alternating current Actual channel Application configuration tool within PCM600 A/D converter Analog-to-digital converter ADBS Amplitude deadband supervision Analog digital conversion module, with time synchronization Analog input ANSI American National Standards Institute Autoreclosing ASCT Auxiliary summation current transformer...
Page 274 Section 18 1MRK 505 355-UEN A Glossary CO cycle Close-open cycle Codirectional Way of transmitting G.703 over a balanced line. Involves two twisted pairs making it possible to transmit information in both directions Command COMTRADE Standard Common Format for Transient Data Exchange format for Disturbance recorder according to IEEE/ANSI C37.111, 1999 / IEC 60255-24 Contra-directional...
Page 275 1MRK 505 355-UEN A Section 18 Glossary EnFP End fault protection Enhanced performance architecture Electrostatic discharge F-SMA Type of optical fiber connector Fault number Flow control bit; Frame count bit FOX 20 Modular 20 channel telecommunication system for speech, data and protection signals FOX 512/515 Access multiplexer...
Page 276 Section 18 1MRK 505 355-UEN A Glossary standard for the mechanics and the PCI specifications from the PCI SIG (Special Interest Group) for the electrical EMF (Electromotive force). IEEE 1686 Standard for Substation Intelligent Electronic Devices (IEDs) Cyber Security Capabilities Intelligent electronic device I-GIS Intelligent gas-insulated switchgear...
Page 277 1MRK 505 355-UEN A Section 18 Glossary OLTC On-load tap changer OTEV Disturbance data recording initiated by other event than start/pick-up Overvoltage Overreach A term used to describe how the relay behaves during a fault condition. For example, a distance relay is overreaching when the impedance presented to it is smaller than the apparent impedance to the fault applied to the balance point, that is, the set reach.
Page 278 Section 18 1MRK 505 355-UEN A Glossary SNTP Simple network time protocol – is used to synchronize computer clocks on local area networks. This reduces the requirement to have accurate hardware clocks in every embedded system in a network. Each embedded node can instead synchronize with a remote clock, providing the required accuracy.
Page 279 1MRK 505 355-UEN A Section 18 Glossary sometimes known by the military name, "Zulu time." "Zulu" in the phonetic alphabet stands for "Z", which stands for longitude zero. Undervoltage Weak end infeed logic Voltage transformer Three times zero-sequence current.Often referred to as the residual or the earth-fault current Three times the zero sequence voltage.
Page 282 ABB AB Substation Automation Products SE-721 59 Västerås, Sweden Phone +46 (0) 21 32 50 00 Scan this QR code to visit our website www.abb.com/protection-control © Copyright 2016 ABB. All rights reserved.

This manual is also suitable for:

Relion req650

ABB Relion 650 Series Applications Manual

Introduction

Application

Configuration

Analog Inputs

Local HMI

Current Protection

Voltage Protection

Multipurpose Protection

Secondary System Supervision

Section 10 Control

Section 11 Logic

Section 12 Monitoring

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