ABB REL 505-C1 2.3 Series Installation And Commissioning Manual
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ABB REL 505-C1 2.3 Series Installation And Commissioning Manual

ABB REL 505-C1 2.3 Series Installation And Commissioning Manual

Overcurrent protection terminal
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Installation and commissioning manual
REL 505-C1*2.3
Overcurrent protection terminal
About this manual
DocID: 1MRK 506 094-UEN
Issue date: June 2001
Status: New
Version: 2.3
Revision: 00
© ABB Automation Products AB 2001
Substation Automation Division

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Summary of Contents for ABB REL 505-C1 2.3 Series

  • Page 1 Installation and commissioning manual REL 505-C1*2.3 Overcurrent protection terminal About this manual DocID: 1MRK 506 094-UEN Issue date: June 2001 Status: New Version: 2.3 Revision: 00 © ABB Automation Products AB 2001 Substation Automation Division...
  • Page 2 STANTLY SEEK TO ENSURE THAT OUR PRODUCTS ARE DEVELOPED TO THE LATEST TECHNOLOGICAL STAN- DARDS. AS A RESULT, IT IS POSSIBLE THAT THERE MAY BE SOME DIFFERENCES BETWEEN THE HW/SW PRODUCT AND THIS INFORMATION PRODUCT. Manufacturer: ABB Automation Products AB Substation Automation Division SE-721 59 Västerås Sweden...

  • Page 3: Table Of Contents

    Contents Chapter Page Chapter 1 Introduction ..............1 Introduction to the installation and commissioning manual ....2 About the complete set of manuals to a terminal......2 About the installation and commissioning manual......3 Intended audience ................3 Related documents................. 4 Revision notes ................
  • Page 4 Contents Checking the CT and VT circuits ............31 Checking the power supply..............32 Checking the binary I/O circuits ............33 Binary input circuits............... 33 Binary output circuits ..............33 Chapter 7 Energising the terminal..........35 Overview .................... 36 Energising the terminal ..............37 Checking the self supervision signals ..........
  • Page 5 Contents Current reversal and weak end infeed logic for distance protection (ZCAL) .............. 60 Current reversal logic..............60 Weak end infeed logic ..............61 Completing the test............... 62 Current reversal and weak end infeed logic for residual overcurrent protection (EFCA) ............63 Testing the current reversal logic..........
  • Page 6 Contents 1ph/2ph/3ph operating mode............97 Completing the test............... 98 Two step time delayed directional phase overcurrent protection (TOC3) ............99 Measuring the operate and time limit for set values ..... 99 Completing the test..............101 Two step time delayed phase overcurrent protection (TOC2) ..102 Measuring the operate and time limit for set values ....

  • Page 7: Chapter 1 Introduction

    About this chapter Chapter 1 Introduction Chapter 1 Introduction About this chapter This chapter introduces the user to the manual as such.

  • Page 8: Introduction To The Installation And Commissioning Manual

    Introduction to the installation and Chapter 1 commissioning manual Introduction Introduction to the installation and commissioning manual About the complete set of manuals to a terminal The complete package of manuals to a terminal is named users manual (UM). The Us- ers manual consists of four different manuals: Application Technical...

  • Page 9: About The Installation And Commissioning Manual

    Introduction to the installation and Chapter 1 commissioning manual Introduction About the installation and commissioning manual The installation and commissioning manual contains the following chapters: • The chapter “Safety information” presents warning and note signs, which the user should draw attention to. •...

  • Page 10: Related Documents

    Introduction to the installation and Chapter 1 commissioning manual Introduction 1.3.2 Requirements The installation personnel must have a basic knowledge in handling electronic equip- ment. The commissioning and maintenance personnel must be well experienced in us- ing protection equipment, test equipment, protection functions and the configured functional logics in the protection.

  • Page 11: Chapter 2 Safety Information

    About this chapter Chapter 2 Safety information Chapter 2 Safety information About this chapter This chapter contains safety information. Warning signs are presented which attend the user to be careful during certain operations in order to avoid human injuries or damage to equipment...

  • Page 12: Warning Signs

    Warning signs Chapter 2 Safety information Warning signs Warning! Strictly follow the company and country safety regulations. Working in a high voltage environment requires serious approach to avoid human injuries and damage to equip- ment. Warning! Do not touch circuitry during operation. Potentially lethal voltages and currents are present.
  • Page 13 Warning signs Chapter 2 Safety information Warning! Never disconnect a secondary connection of current transformer circuit without short- circuiting the transformer’s secondary winding. Operating a current transformer with the secondary winding open will cause a massive potential build-up that may damage the transformer and may cause injuries to humans.

  • Page 14: Caution Signs

    Caution signs Chapter 2 Safety information Caution signs Caution! Always transport modules using certified conductive bags. Always handle modules us- ing a conductive wrist strap connected to protective ground and on a suitable antistatic surface. Electrostatic discharge (ESD) may cause damage to the module. Caution! Do not connect live wires to the terminal.

  • Page 15: Note Signs

    Note signs Chapter 2 Safety information Note signs Note! Changing the active setting group will inevitably change the terminal’s operation. Be careful and check regulations before making the change. Note! The protection assembly is designed for a maximum continuous current of four times rated value.
  • Page 16 Note signs Chapter 2 Safety information...

  • Page 17: Chapter 3 Overview

    About this chapter Chapter 3 Overview Chapter 3 Overview About this chapter This chapter introduces the user to the installation and commissioning tasks.

  • Page 18: Commissioning And Installation Overview

    Commissioning and installation overview Chapter 3 Overview Commissioning and installation overview The settings for each function must be calculated before the commissioning task can start. A configuration, made in the configuration and programming tool, must also be available if the terminal does not have a factory configuration downloaded. The terminal is unpacked and visually checked.

  • Page 19: Chapter 4 Unpacking And Checking The Terminal

    About this chapter Chapter 4 Unpacking and checking the terminal Chapter 4 Unpacking and checking the terminal About this chapter This chapter contains instructions on how to receive the terminal.

  • Page 20: Receiving, Unpacking And Checking

    Check for transport damages. In case of transport damage appropriate action must be taken against the latest carrier and the nearest ABB office or representa- tive should be informed. ABB should be notified immediately if there are any discrepancies in relation to the delivery documents.

  • Page 21: Chapter 5 Installing The Terminal

    About this chapter Chapter 5 Installing the terminal Chapter 5 Installing the terminal About this chapter This chapter describes how to install the terminal.

  • Page 22: Overview

    Overview Chapter 5 Installing the terminal Overview The mechanical and electrical environmental conditions at the installation site must be within permissible range according to the technical data of the terminal. Dusty, damp places, places liable to rapid temperature variations, powerful vibrations and shocks, surge voltages of high amplitude and fast rise time, strong induced magnetic fields or similar extreme conditions should be avoided.

  • Page 23: Mounting The Terminal

    Mounting the terminal Chapter 5 Installing the terminal Mounting the terminal A suitable mounting kit must be available. Mounting kits contains all parts needed in- cluding screws and assembly instructions. The following mounting kits are available: • 19-inch rack mounting kits, 1/2, 3/4 and 1/1 terminal width variants. See section 2.1. •...

  • Page 24: Mounting In A 19-Inch Rack

    Mounting the terminal Chapter 5 Installing the terminal Mounting in a 19-inch rack (98000037) PosNo Description 1 and 4 Mounting angle 2 and 3 TORX T20 screws Figure 1: 19-inch rack mounting...

  • Page 25: Mounting In A 19-Inch Rack With An Additional Box Type Rhgs

    Mounting the terminal Chapter 5 Installing the terminal Procedure Carefully fasten the mounting angles to the sides of the termi- nal. Use the TORX T20 screws available in the mounting kit. Place the terminal assembly in the rack. Fasten the mounting angles with appropriate screws. Mounting in a 19-inch rack with an additional box type RHGS Make sure a side-by-side mounting kit and a suitable 19-inch rack mounting kit are available before proceeding.
  • Page 26 Mounting the terminal Chapter 5 Installing the terminal xx00000097.ai PosNo Description 1 and 3 Side-by-side mounting plate 2 and 4 Screws (TORX T20) Mounting angle Figure 2: Side-by-side assembly...

  • Page 27: Mounting In A Flush Or Semi-Flush Installation

    Mounting the terminal Chapter 5 Installing the terminal Procedure Place the two terminals next to each other on a flat surface. Fasten a side-by-side mounting plate (PosNo 1). Use four of the delivered screws. Carefully turn the two terminals up-side down. Fasten the second side-by-side mounting plate.
  • Page 28 Mounting the terminal Chapter 5 Installing the terminal xx00000129.eps PosNo Description Sealing strip Distance frame (only for semi-flush) Sealing strip for distance frame (only for semi-flush) Side holder Groove Locking screw (TORX T10) Figure 3: Flush and semi-flush mounting...
  • Page 29 Mounting the terminal Chapter 5 Installing the terminal Note! Flush or semi-flush mount cannot be used for side-by-side mounted terminals when IP 54 must be fulfilled. Procedure Cut the sealing strip in appropriate lengths. The strip is delivered with the mounting kit. In the semi-flush mounting kit two strips are delivered, one for the terminal and one self-adhering for the distance frame.

  • Page 30: Mounting On A Wall

    Mounting the terminal Chapter 5 Installing the terminal Lock the terminal to the cut-out. Firmly tighten the locking screws. It is important that all four side holder locking screws are tightened the same in order to maintain a good and even seal in IP 54 environments. Mounting on a wall The mounting bars are prepared for adding DIN-rails or equivalent above and below the mounted terminal.
  • Page 31 Mounting the terminal Chapter 5 Installing the terminal 2.4.1 Mounting the terminal on a wall Procedure Mount the bars (posNo 1) onto the wall. See the Technical reference manual for measurements. Depending on the wall different preparations may be needed, like drilling and inserting plastic or expander plugs (concrete/plaster- board walls) or threading (metal sheet wall).

  • Page 32: Making The Electrical Connections

    Making the electrical connections Chapter 5 Installing the terminal Making the electrical connections Always make sure established guidelines for this type of terminal is followed during in- stallation. When necessary use screened twisted-pair cables to minimize susceptibility. Otherwise use any kind of regular nonscreened tinned RK cable or equivalent. When using screened cabling always use 360°...

  • Page 33: Connecting To Protective Ground

    Making the electrical connections Chapter 5 Installing the terminal Connecting to protective ground Connect the unit to the grounding bar of the cubicle with a green/yellow conductor, cross section at least 1.5 mm (AWG18), connected to the protective ground connector at the back of the terminal.

  • Page 34: Installing The Optical Fibres

    Installing the optical fibres Chapter 5 Installing the terminal Installing the optical fibres Connectors are generally color coded; connect blue or dark grey cable connectors to blue or dark grey (receive) back-side connectors. Connect black or grey cable connec- tors to black or grey (transmit) back-side connectors. Fiber optical cables are sensitive to handling.

  • Page 35: Chapter 6 Checking The External Circuitry

    About this chapter Chapter 6 Checking the external circuitry Chapter 6 Checking the external circuitry About this chapter This chapter describes what to check and which checks that should be made to ensure a correct connection to the external circuitry, such as auxiliary power supply, CT’s and VT’s.

  • Page 36: Overview

    Overview Chapter 6 Checking the external circuitry Overview The user must check the installation which includes verifying that the terminal is con- nected to the other parts of the protection system. This is done with the terminal and all connected circuits de-energised.

  • Page 37: Checking The Ct And Vt Circuits

    Checking the CT and VT circuits Chapter 6 Checking the external circuitry Checking the CT and VT circuits Check that the wiring is in strict accordance with the supplied wiring diagram. Note Do not continue further until any errors are corrected. Test the circuitry.

  • Page 38: Checking The Power Supply

    Checking the power supply Chapter 6 Checking the external circuitry Checking the power supply Check that the value of the auxiliary supply voltage remains within the permissible range under all operating conditions. Check that the polarity is correct according to the technical data on the front plate on the terminal.

  • Page 39: Checking The Binary I/O Circuits

    Checking the binary I/O circuits Chapter 6 Checking the external circuitry Checking the binary I/O circuits Binary input circuits Preferably, disconnect the binary input connector from the binary input cards. Check all connected signals so that both input level and polarity are in accordance with the termi- nal’s specifications.
  • Page 40 Checking the binary I/O circuits Chapter 6 Checking the external circuitry...

  • Page 41: Energising The Terminal

    About this chapter Chapter 7 Energising the terminal Chapter 7 Energising the terminal About this chapter This chapter describes the start up sequence and what to check after the terminal has been enerigsed.

  • Page 42: Overview

    Overview Chapter 7 Energising the terminal Overview Before the procedures in this chapter can be carried out the connection to external cir- cuitry must have been checked which ensures that the installation was made correctly. The user must energise the power supply to the terminal to start it up. This could be done in a numerous of ways, from energising a whole cubicle to energising a single ter- minal.

  • Page 43: Energising The Terminal

    Energising the terminal Chapter 7 Energising the terminal Energising the terminal When the terminal is energised the window on the local HMI remains dark. After 10 seconds the green LED starts flashing and after approximately 30 seconds the window lights up. After another 10 seconds the window displays ‘Terminal Startup’ and after about 30 seconds the main menu is displayed.

  • Page 44: Checking The Self Supervision Signals

    Checking the self supervision signals Chapter 7 Energising the terminal Checking the self supervision signals Reconfiguring the terminal I/O modules configured as logical I/O modules (BIM, BOM, IOM, DCM, IOPSM or MIM) are supervised. Not configured I/O modules are not supervised. Each logical I/O module has an error flag that is set if anything is wrong with any signal or the whole module.

  • Page 45: Checking The Self Supervision Function

    MPM-modWarning = No problem detected. None. MPM-modWarning = There is a problem Set the clock. Warning with: If the problem persists, contact your ABB • the real time representative for service. clock. • the time synchro- nization.
  • Page 46 Check that the I/O module has been config- cation has failed. ured and connected to the IOP1- block. (Example data, se fol- lowing section for If the problem persists, contact your ABB details) representative for service. RealTimeClock = OK No problem detected.

  • Page 47: Setting And Configuring The Terminal

    About this chapter Chapter 8 Setting and configuring the terminal Chapter 8 Setting and configuring the terminal About this chapter This chapter describes how to set the terminal, either through a PC or the local HMI, and download a configuration to the terminal in order to make commissioning possible. The chapter does not contain instructions on how to create a configuration or calculate settings.

  • Page 48: Overview

    Overview Chapter 8 Setting and configuring the terminal Overview The customer specific values for each setting parameter and a configuration file has to be available, if the terminal is not delivered with a configuration, before the terminal can be set and configured. Each function included in the terminal has several setting parameters which has to be set in order to make the terminal behave as intended.

  • Page 49: Entering Settings Through The Local Hmi

    Entering settings through the local HMI Chapter 8 Setting and configuring the terminal Entering settings through the local HMI Each of the included functions in the terminal has to be set and this can be performed through the local HMI. The user must browse to the desired function and enter the ap- propriate value.

  • Page 50: Downloading Settings And Configuration From A Pc

    A special cable is needed when connecting a PC to the front of the REx 5xx terminal. This cable can be ordered from ABB Automation Products AB. It must be plugged into the optical contact on the left side of the local HMI. The other end of the cable shall be plugged directly into the COM-port on the PC.
  • Page 51 Downloading settings and configuration Chapter 8 from a PC Setting and configuring the terminal 3.2.1 Using the SPA/IEC rear port For all setting and configuration via the SPA communication bus, the SPA/IEC 870-5- 103 port on the rear, it is necessary to first inactivate the restriction for settings. Other- wise, no setting is allowed.

  • Page 52: Downloading The Configuration And Setting Files

    Downloading settings and configuration Chapter 8 from a PC Setting and configuring the terminal Downloading the configuration and setting files When downloading a configuration to the REx 5xx terminal with the CAP 531 config- uration tool, the terminal is automatically set in configuration mode. When the terminal is set in configuration mode, all functions are blocked.

  • Page 53: Establishing Connection And Verifying The Spa/Iec- Communication

    About this chapter Chapter 9 Establishing connection and verifying the SPA/IEC- communication Chapter 9 Establishing connection and verifying the SPA/ IEC-communication About this chapter This chapter contains instructions on how to establish connection and verify that the SPA/IEC-communication operates as intended, when the terminal is connected to a monitoring or control system via the rear SPA/IEC port.

  • Page 54: Entering Settings

    Entering settings Chapter 9 Establishing connection and verifying the SPA/IEC- Entering settings If the terminal is connected to a monitoring or control system via the rear SPA/IEC port, the SPA/IEC port has to be set either for SPA or IEC use. Entering SPA settings When using the IEC protocol, the rear SPA/IEC port must be set for IEC use.
  • Page 55 Entering settings Chapter 9 Establishing connection and verifying the SPA/IEC- communication Procedure Set the operation of the rear SPA/IEC port to “IEC”. The operation of the rear SPA/IEC port can be found on the local HMI at: Configuration/TerminalCom/SPA-IECPort Now the SPA/IEC port operates as an IEC port. Set the slave number and baud rate for the rear IEC port The slave number and baud rate can be found on the local HMI at: Configuration/TerminalCom/IECCom/Communication...

  • Page 56: Verifying The Communication

    Verifying the communication Chapter 9 Establishing connection and verifying the SPA/IEC- Verifying the communication Verifying SPA communication To verify that the rear SPA communication with the SMS/SCS system is working, there are some different methods. Choose one of the following. Procedure Use a SPA-emulator and send “RF”...

  • Page 57: Chapter 10 Verifying Settings By Secondary Injection

    About this chapter Chapter 10 Verifying settings by secondary injection Chapter 10 Verifying settings by secondary injection About this chapter This chapter describes how to verify that the protection functions operates correctly ac- cording to the settings. Only the tested function should be in operation.

  • Page 58: Overview

    Overview Chapter 10 Verifying settings by secondary injection Overview Required tools for testing of a terminal: • Calculated settings • Configuration diagram • Terminal diagram • Technical reference manual • Three-phase test equipment The terminal has to be set and configured before the testing can start. The terminal diagram, available in the Technical reference manual, is a general diagram for the terminal.
  • Page 59 Overview Chapter 10 Verifying settings by secondary injection All used setting groups should be tested. Note! This terminal is designed for a maximum continuous current of four times the nominal current. Note! Please observe the measuring accuracy of the terminal, the test equipment and the an- gular accuracy for both of them.

  • Page 60: Preparing For Test

    Preparing for test Chapter 10 Verifying settings by secondary injection Preparing for test Overview This section describes how to prepare the terminal in order to verify settings. The preparation start with preparing the connection to the test switch if included. This means connecting the test equipment according to a valid terminal diagram for the spe- cific REx 5xx terminal.

  • Page 61: Setting The Terminal In Test Mode

    Preparing for test Chapter 10 Verifying settings by secondary injection Warning! Never disconnect a secondary connection of current transformer circuit without short- circuiting the transformer’s secondary winding. Operating a current transformer with the secondary winding open will cause a massive potential build-up that may damage the transformer and may cause injuries to humans.

  • Page 62: Verifying The Connection And The Analog Inputs

    Preparing for test Chapter 10 Verifying settings by secondary injection IN (I4,I5) (U4,U5) TRIP L1 TRIP L2 TRIP L3 en01000162.vsd Figure 7: Connection of the test set to the REx 5xx terminal. Verifying the connection and the analog inputs The user must verify that the connection and that the analog signals are measured cor- rectly.

  • Page 63: Releasing The Function(S) To Be Tested

    Preparing for test Chapter 10 Verifying settings by secondary injection ServiceReport/ServiceValues Inject a unsymmetrical three-phase current and voltage at rat- ed value in two phases. Compare the injected value with the measured value. The phasor menu is located in the local-HMI under: ServiceReport/Phasors/Primary and Secondary Releasing the function(s) to be tested The user can release the function(s) to be tested.

  • Page 64: Checking The Disturbance Report Settings

    Preparing for test Chapter 10 Verifying settings by secondary injection Select ‘No’. Press ‘C’ twice to leave the menu. The ‘Save TestGroup?’ dialog appears. Choose ‘Yes’ leave the menu. Checking the disturbance report settings The terminal must be set in testmode (Operation=ON) to activate the disturbance report settings.
  • Page 65 Preparing for test Chapter 10 Verifying settings by secondary injection Test/TestMode/DisturbReport Table 3: Disturbance report settings Operation Disturb- Then the results are... Summary • Disturbances are not stored. • LED information is not displayed on the HMI and not stored. •...

  • Page 66: Current Reversal And Weak End Infeed Logic For Distance Protection (Zcal)

    Current reversal and weak end infeed Chapter 10 logic for distance protection (ZCAL) Verifying settings by secondary injection Current reversal and weak end infeed logic for distance protection (ZCAL) Prepare the terminal for verification of settings as outlined in section “Preparing for test”...

  • Page 67: Weak End Infeed Logic

    Current reversal and weak end infeed Chapter 10 logic for distance protection (ZCAL) Verifying settings by secondary injection Check that correct trip outputs and external signals are ob- tained for the type of fault generated. The operation time should be about the tDelay setting longer than the carrier accelerated trip (ZCOM-TRIP or ZC1P-TRLn) previ- ously recorded for permissive scheme communication.

  • Page 68: Completing The Test

    Current reversal and weak end infeed Chapter 10 logic for distance protection (ZCAL) Verifying settings by secondary injection Change all settings cyclically for other faults (L2-N and L3-N). Weak end infeed set for trip Apply input signals according table 4. Activate the carrier receive (ZCOM-CR or ZC1P-CRLn) signal of the terminal.

  • Page 69: Current Reversal And Weak End Infeed Logic For Residual Overcurrent Protection (Efca)

    Current reversal and weak end infeed Chapter 10 logic for residual Verifying settings by secondary overcurrent protection (EFCA) injection Current reversal and weak end infeed logic for residual overcurrent protection (EFCA) Prepare the terminal for verification of settings as outlined in section “Preparing for test”...
  • Page 70 Current reversal and weak end infeed Chapter 10 logic for residual Verifying settings by secondary overcurrent protection (EFCA) injection Activate the EFCA-CRL binary input. No EFCA-ECHO and EFC--CS should appear. Abruptly reverse the current to 65° lagging the voltage, to op- erate the forward directional element.

  • Page 71: Completing The Test

    Current reversal and weak end infeed Chapter 10 logic for residual Verifying settings by secondary overcurrent protection (EFCA) injection 10. Inject the polarising voltage 3U0 to about 110% of the setting (Ugr) and the phase angle between voltage and current to 155°, the current leading the voltage.

  • Page 72: Definite And Inverse Time-Delayed Residual Overcurrent Protection (Tef)

    Definite and inverse time-delayed Chapter 10 residual overcurrent protection (TEF) Verifying settings by secondary injection Definite and inverse time-delayed residual overcurrent protection (TEF) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. Normally, the test of the earth-fault overcurrent protection is made in conjunction with the testing of the distance protection functions, using the same multiphase test-set.
  • Page 73 Definite and inverse time-delayed Chapter 10 residual overcurrent protection (TEF) Verifying settings by secondary injection Upol = -3U ϕ 65° IN Operation Iset 99000052.vsd Figure 8: Measuring characteristic of the directional element. To activate the directional function, set Direction = Direction- Set the polarising voltage to 2% of U and the phase angle be- tween voltage and current to 65°.
  • Page 74 Definite and inverse time-delayed Chapter 10 residual overcurrent protection (TEF) Verifying settings by secondary injection Table 5: Operate time formulas Characteristics Operate time (s) Normal inverse 0.14 ------------------- - k ⋅ 0.02 (Equation 1) – Very inverse 13.5 ---- ------- k ⋅ (Equation 2) –...
  • Page 75 Definite and inverse time-delayed Chapter 10 residual overcurrent protection (TEF) Verifying settings by secondary injection 15. Connect the rated DC voltage to the TEF--BLKTR configured binary input and switch on the fault current. No TEF--TRIP nor TEF--TRSOTF should appear. But the output TEF--START shall be activated.

  • Page 76: Event Function (Ev)

    Event function (EV) Chapter 10 Verifying settings by secondary injection Event function (EV) During testing, the terminal can be set in test mode from the PST. The functionality of the event reporting during test mode is set from the PST as follows: •...

  • Page 77: Event Recorder

    Event recorder Chapter 10 Verifying settings by secondary injection Event recorder During testing, the event recorder can be switched off if desired. This is found in the SMS or Substation Control System (SCS).

  • Page 78: Fuse Failure Supervision (Fuse)

    Fuse failure supervision (FUSE) Chapter 10 Verifying settings by secondary injection Fuse failure supervision (FUSE) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. The verification is divided in two main parts. The first part is common to all fuse failure supervision options, and checks that binary inputs and outputs operate as expected ac- cording to actual configuration.

  • Page 79: Measuring The Operate Value For The Negative Sequence Function

    Fuse failure supervision (FUSE) Chapter 10 Verifying settings by secondary injection Disconnect the dc voltage from the FUSE-MCB binary input terminal. Disconnect one of the phase voltages and observe the logical output signals on the terminal binary outputs. FUSE-VTSU and FUSE-VTSZ signals should simultaneously ap- pear.

  • Page 80: Measuring The Operate Value For The Zero Sequence Function

    Fuse failure supervision (FUSE) Chapter 10 Verifying settings by secondary injection Where: = the measured phase voltages 2 π ⋅ ---------- - ⋅ – ------ - Compare the result with the set value (consider that the set value 3U2> is in percentage of the base voltage U1b) of the negative-sequence operating voltage.

  • Page 81: Checking The Operation Of The Du/Dt, Di/Dt Based Function

    Fuse failure supervision (FUSE) Chapter 10 Verifying settings by secondary injection Checking the operation of the du/dt, di/dt based function Check the operation of the du/dt, di/dt based function, if included in the terminal. Procedure Simulate normal operating conditions with the three-phase currents in phase with their corresponding phase voltages and with all of them equal to their rated values.

  • Page 82: Completing The Test

    Fuse failure supervision (FUSE) Chapter 10 Verifying settings by secondary injection 10. Keep the current constant. Disconnect the voltage in all three phases simultaneously. The FUSE-VTSU, FUSE-VTSZ and FUSE-VTF3PH signals should not appear. Completing the test Continue to test another function or complete the test by setting the test mode to off.

  • Page 83: High Speed Binary Output Logic (Hsbo)

    High speed binary output logic (HSBO) Chapter 10 Verifying settings by secondary injection High speed binary output logic (HSBO) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. Since the high-speed binary out logic is dependent upon other function blocks (HS---, ZM1-, ZC1P-, ZCOM- and TRIP-) in order to operate, those functions have to be set into operating mode (On).
  • Page 84 High speed binary output logic (HSBO) Chapter 10 Verifying settings by secondary injection ZC1P/SchemeType = PermissiveOR Same result as for the permissive underreach test should be ob- tained. Remove applied signals. Test for three of the trip schemes in ZCOM (Blocking Scheme not included) together with TRIP.

  • Page 85: Hsbo- Trip From The High-Speed Function (Hs)

    High speed binary output logic (HSBO) Chapter 10 Verifying settings by secondary injection HSBO- trip from the high-speed function (HS) In order to test the performance of the high-speed binary out function alone without any interference from other functions the binary outputs configured for the HSBO function must not carry any other signals.

  • Page 86: Hsbo- Trip From The Distance Protection Zone 1 Function (Zm1)

    High speed binary output logic (HSBO) Chapter 10 Verifying settings by secondary injection Table 6: Output signals for different fault types Fault type Signal L1,L2 L2,L3 L3,L1 L1,L2,L3 HSBO-TRL1 HSBO-TRL2 HSBO-TRL3 HSBO-CSL1 HSBO-CSL2 HSBO-CSL3 HSBO-CSMPH Remove applied signals. Set the terminal in normal service. HSBO- trip from the distance protection zone 1 function (ZM1) In order to test the performance of the high-speed binary out function alone without any interference from other functions the binary outputs configured for the HSBO function...

  • Page 87: Completing The Test

    High speed binary output logic (HSBO) Chapter 10 Verifying settings by secondary injection Procedure Apply faults according to table 7. Trip and carrier send out- puts should appear as indicated (with YES). Remove applied signals. Set the terminal in normal service. Table 7: Output signals for different fault types Fault type Signal...

  • Page 88: Instantaneous Overcurrent Protection (Ioc)

    Instantaneous overcurrent protection Chapter 10 (IOC) Verifying settings by secondary injection Instantaneous overcurrent protection (IOC) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. To verify the settings the following fault type should be tested: •...

  • Page 89: Completing The Test

    Instantaneous overcurrent protection Chapter 10 (IOC) Verifying settings by secondary injection 10.2 Completing the test Continue to test another function or complete the test by setting the test mode to off.

  • Page 90: Monitoring Of Ac Analogue Measurements

    Monitoring of AC analogue Chapter 10 measurements Verifying settings by secondary injection Monitoring of AC analogue measurements Stabilized ac current and voltage generators and corresponding current, voltage, power and frequency meters with very high accuracy are necessary for testing the alternating quantity measuring function.

  • Page 91: Monitoring Of Dc Analogue Measurements

    Monitoring of DC analogue Chapter 10 measurements Verifying settings by secondary injection Monitoring of DC analogue measurements A stabilized direct current generator and mA meter with very high accuracy for mea- surement of direct current is needed in order to test the dc measuring module. The gen- erator operating range and the measuring range of the mA meter must be at least between -25 and 25 mA.
  • Page 92 Monitoring of DC analogue Chapter 10 measurements Verifying settings by secondary injection Check the operating monitoring levels by changing the mag- nitude of input current and observing the operation of the cor- responding output relays. The output contact changes its state when the changes in the input measuring quantity are higher than the set values RMAXAL, HI- WARN, HIALARM, or lower than the set values LOWWARN, LOWALARM, RMINAL.

  • Page 93: Setting Lockout (Hmi)

    Setting lockout (HMI) Chapter 10 Verifying settings by secondary injection Setting lockout (HMI) Configure the HMI--BLOCKSET functional input to the binary input, which is determined by the engineering or the input that is not used by any other function. Set the setting restriction to SettingRestrict = Block. Connect rated DC voltage to the selected binary input.

  • Page 94: Scheme Communication Logic For Distance Protection Functions (Zcom)

    Scheme communication logic for distance Chapter 10 protection functions (ZCOM) Verifying settings by secondary injection Scheme communication logic for distance protection functions (ZCOM) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. Check the scheme logic during the secondary injection test of the impedance-measuring zones and the high-speed complementary zones.

  • Page 95: Testing Permissive Overreach

    Scheme communication logic for distance Chapter 10 protection functions (ZCOM) Verifying settings by secondary injection 14.2 Testing permissive overreach Procedure Activate the carrier receive (ZCOM-CR) signal of the terminal. Supply the relay with healthy conditions for at least two sec- onds.

  • Page 96: Checking Of Unblocking Logic

    Scheme communication logic for distance Chapter 10 protection functions (ZCOM) Verifying settings by secondary injection Check that the no trip from scheme communication occurs. Check that trip time from the forward directed zone used for scheme communication tripping complies with the zone timer and that correct trip outputs, external signals, and indication are obtained for the actual type of fault generated.

  • Page 97: Scheme Communication Logic For Residual Overcurrent Protection (Efc)

    Scheme communication logic for residual Chapter 10 overcurrent protection (EFC) Verifying settings by secondary injection Scheme communication logic for residual overcurrent protection (EFC) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. Before testing the communication logic for residual overcurrent protection, the time delayed residual overcurrent protection has to be tested according to the corresponding instruction.

  • Page 98: Completing The Test

    Scheme communication logic for residual Chapter 10 overcurrent protection (EFC) Verifying settings by secondary injection 11. Switch on the fault current (110% of the setting) and wait long- er than the set value tCoord. No EFC--TRIP signal should appear. 12. Switch off the fault current and the polarising voltage. 13.

  • Page 99: Setting Group Selector (Grp)

    Setting group selector (GRP) Chapter 10 Verifying settings by secondary injection Setting group selector (GRP) Procedure Check the configuration of binary inputs that control the se- lection of active setting group. Browse the ‘ActiveGroup’ menu to achieve information about the active setting group. The ActiveGroup menu is located in the local HMI under: ServiceReport/ActiveGroup Connect the appropriate dc voltage to the corresponding bi-...

  • Page 100: Time Delayed Overcurrent Protection (Toc)

    Time delayed overcurrent protection Chapter 10 (TOC) Verifying settings by secondary injection Time delayed overcurrent protection (TOC) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. To verify the settings the following fault type should be tested: •...

  • Page 101: Completing The Test

    Time delayed overcurrent protection Chapter 10 (TOC) Verifying settings by secondary injection Switch off the fault current. Observe the maximum permitted overloading of the current cir- cuits in the terminal. Compare the measured operating current with the set value IN>. Set the fault current to about 1.5 times the measured operat- ing current.

  • Page 102: Trip Logic (Tr)

    Trip logic (TR) Chapter 10 Verifying settings by secondary injection Trip logic (TR) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. The function is tested functionally together with other protection functions (distance protection ZMn--, line differential protection DIFL-, earth-fault overcurrent protection IOC-- or TOC--, etc.) within the REx 5xx terminals.

  • Page 103: 1Ph/2Ph/3Ph Operating Mode

    Trip logic (TR) Chapter 10 Verifying settings by secondary injection Initiate a single-phase-to-earth fault and switch it off immedi- ately when the trip signal is issued for the corresponding phase. Initiate the same fault once again within the reclaim time of the used autoreclosing function. A three-phase trip must be initiated for the second fault.

  • Page 104: Completing The Test

    Trip logic (TR) Chapter 10 Verifying settings by secondary injection Initiate a three-phase fault. Consider sufficient time interval between the faults, to overcome a reclaim time of eventually activated autoreclosing function. Only a three-phase trip should occur for the fault and all trip outputs (TRIP-TRLn) should be activated at the same time.

  • Page 105: Two Step Time Delayed Directional Phase Overcurrent Protection (Toc3)

    Two step time delayed directional phase Chapter 10 overcurrent protection (TOC3) Verifying settings by secondary injection Two step time delayed directional phase overcurrent protection (TOC3) Prepare the terminal for verification of settings as outlined in section “Preparing for test” in this chapter. Consider to apply an three-phase symmetrical voltage at rated value and ZΦ=0°...
  • Page 106 Two step time delayed directional phase Chapter 10 overcurrent protection (TOC3) Verifying settings by secondary injection Check the time delay at two points of the inverse time curve. Check with the current I>Low or 2·I>Inv (the highest value of these two) and the current that according to the inverse time curve corresponds to tMin.

  • Page 107: Completing The Test

    Two step time delayed directional phase Chapter 10 overcurrent protection (TOC3) Verifying settings by secondary injection Slowly decrease the impedance angle to find the operating value according to figure 9. Compare the result of the measurement with the set value. 19.2 Completing the test Continue to test another function or complete the test by setting the test mode to off.

  • Page 108: Two Step Time Delayed Phase Overcurrent Protection (Toc2)

    Two step time delayed phase overcurrent Chapter 10 protection (TOC2) Verifying settings by secondary injection Two step time delayed phase overcurrent protection (TOC2) Prepare the terminal for test as outlined in section “Preparing for test” in this chapter. Ensure that the maximum continuos current of a terminal does not exceed four times its rated value, if the measurement od the operating characteristics runs under constant voltage conditions.

  • Page 109: Completing The Test

    Two step time delayed phase overcurrent Chapter 10 protection (TOC2) Verifying settings by secondary injection Increase the current 10% and check that the operation time is equal to tMin. Set tLow to the correct value and check with a high current that the operation time is equal to tMin+tLow.
  • Page 110 Two step time delayed phase overcurrent Chapter 10 protection (TOC2) Verifying settings by secondary injection...

  • Page 111: Chapter 11 Verifying The Internal Configuration

    About this chapter Chapter 11 Verifying the internal configuration Chapter 11 Verifying the internal configuration About this chapter The aim of this chapter is to verify that the internal communications and output signals are according to the specification and normal protection praxis. This means that all in- cluded protection functions must be in operation.

  • Page 112: Overview

    Overview Chapter 11 Verifying the internal configuration Overview Before start of this process, all individual devices that are involved in the fault clearance process must have been tested as individuals and set in operation. The breaker must be ready for an open-close-open cycle. The shaping of the test process is dependent on the complexity of the design of the switchyard.

  • Page 113: Testing The Interaction Of The Distance Protection

    Testing the interaction of the distance Chapter 11 protection Verifying the internal configuration Testing the interaction of the distance protection This procedure describes how to test the interaction of the distance protection zone 1 at phase L1-earth fault in forward direction. It is recommended that all other distance pro- tection zones and other protection functions are tested in a similar way.
  • Page 114 Testing the interaction of the distance Chapter 11 protection Verifying the internal configuration...

  • Page 115: Chapter 12 Testing The Protection System

    About this chapter Chapter 12 Testing the protection system Chapter 12 Testing the protection system About this chapter This chapter describes how to verify the conformity of the protection system without the protected object energised.

  • Page 116: Overview

    Overview Chapter 12 Testing the protection system Overview Before start of this process, all individual devices that are involved in the fault clearance process of the protected object must have been tested as individuals and set in operation. The breaker must be ready for an open-close-open cycle. Scheme performance test is the final test that should be carried out before the protected object is taken into service.

  • Page 117: Testing The Interaction Of The Distance Protection

    Testing the interaction of the distance Chapter 12 protection Testing the protection system Testing the interaction of the distance protection This procedure describes how to test the interaction of distance protection zone 1 at a transient phase L1-L2 fault in forward direction. The test must be done without the test switch in order to verify the interaction between the terminal and surrounding equip- ment.
  • Page 118 Testing the interaction of the distance Chapter 12 protection Testing the protection system It is recommended to repeat the procedure 1 - 6 for a protection function which detects earth-faults i.e. residual overcurrent protec- tion.

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