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ABB REG670 2.0 IEC Commissioning Manual

Relion 670 series generator protection
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Generator protection REG670 2.0 IEC
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Summary of Contents for ABB REG670 2.0 IEC

  • Page 1 ® Relion 670 series Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 3 Document ID: 1MRK502053-UEN Issued: July 2016 Revision: B Product version: 2.0 © Copyright 2014 ABB. All rights reserved...
  • Page 4 Copyright This document and parts thereof must not be reproduced or copied without written permission from ABB, and the contents thereof must not be imparted to a third party, nor used for any unauthorized purpose. The software 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 In case any errors are detected, the reader is kindly requested to notify the manufacturer. Other than under explicit contractual commitments, in no event shall ABB be responsible or liable for any loss or damage resulting from the use of this manual or the application of the equipment.
  • Page 6 (EMC Directive 2004/108/EC) and concerning electrical equipment for use within specified voltage limits (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.

  • Page 7: Table Of Contents

    REX060 start up sequence............41 Setting up communication between PCM600 and the IED....41 Writing an application configuration to the IED.........47 Checking CT circuits.................48 Checking VT circuits.................49 Using the RTXP test switch.............. 49 Checking the binary input/output circuits..........50 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 8 Entering settings................85 Entering SPA settings..............85 Entering IEC settings..............85 Verifying the communication............86 Verifying SPA communication............. 86 Verifying IEC communication............86 Fibre optic loop................. 87 Optical budget calculation for serial communication with SPA/IEC .87 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 9 Verifying the settings............106 Completing the test.............. 107 Generator differential protection GENPDIF ......107 Verifying the settings............107 Completing the test.............. 108 Restricted earth-fault protection, low impedance REFPDIF ..108 Verifying the settings............108 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 10 Current protection................148 Instantaneous phase overcurrent protection 3-phase output PHPIOC ..................148 Measuring the operate limit of set values......148 Completing the test.............. 149 Four step phase overcurrent protection 3-phase output OC4PTOC................. 149 Verifying the settings............149 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 11 Completing the test.............. 167 Directional overpower protection GOPPDOP ......167 Verifying the settings............167 Completing the test.............. 168 Negative-sequence time overcurrent protection for machines NS2PTOC .................168 Verifying settings by secondary injection......168 Completing the test.............. 170 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 12 Verifying settings..............187 Completing the test.............. 188 Frequency protection..............188 Underfrequency protection SAPTUF ........188 Verifying the settings............188 Completing the test.............. 189 Overfrequency protection SAPTOF ..........189 Verifying the settings............189 Completing the test.............. 190 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 13 Testing the energizing check..........207 Testing the voltage selection..........209 Completing the test.............. 211 Apparatus control APC.............. 211 Voltage control (VCTR) TR1ATCC, TR8ATCC, TCMYLTC, TCLYLTC...................212 Secondary test..............214 Check the activation of the voltage control operation...214 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 14 Function for energy calculation and demand handling ETPMMTR.................231 Verifying the settings............232 Completing the test.............. 233 Station communication..............233 Multiple command and transmit MULTICMDRCV / MULTICMDSND................ 233 Remote communication..............233 Binary signal transfer BinSignReceive, BinSignTransm....233 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 15 Determine the cause of an internal failure......247 Self supervision HMI data............247 General IED status............... 247 Fault tracing..................248 Internal fault indications.............248 Using front-connected PC............249 Repair instruction................250 Repair support................252 Maintenance................... 252 Section 16 Glossary............... 253 Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 17: Section 1 Introduction

    The commissioning personnel must have a basic knowledge of handling electronic equipment. The commissioning and maintenance personnel must be well experienced in using protection equipment, test equipment, protection functions and the configured functional logics in the IED. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 18: Product Documentation

    The manual provides procedures for the checking of external circuitry and energizing the IED, parameter setting and configuration as Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 19: Dokumentenänderungsverzeichnis

    The guideline can be used as a technical reference during the engineering phase, installation and commissioning phase, and during normal service. 1.3.2 Dokumentenänderungsverzeichnis Dokument geändert / am Historie -/Mai 2016 Erste Übersetzung von 1MRK 502 053-UEN Version - Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 20: Related Documents

    The warning icon indicates the presence of a hazard which could result in personal injury. The caution hot surface icon indicates important information or warning about the temperature of product surfaces. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 21: Document Conventions

    * after an input signal name indicates that the signal must be connected to another function block in the application configuration to achieve a valid application configuration. • Logic diagrams describe the signal logic inside the function block and are bordered by dashed lines. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 22: Iec 61850 Edition 1 / Edition 2 Mapping

    BBSPLLN0 BUSPTRC_B2 BUSPTRC BUSPTRC BUSPTRC_B3 BUSPTRC BUSPTRC BUSPTRC_B4 BUSPTRC BUSPTRC BUSPTRC_B5 BUSPTRC BUSPTRC BUSPTRC_B6 BUSPTRC BUSPTRC BUSPTRC_B7 BUSPTRC BUSPTRC BUSPTRC_B8 BUSPTRC BUSPTRC BUSPTRC_B9 BUSPTRC BUSPTRC BUSPTRC_B10 BUSPTRC BUSPTRC Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 23 BZISGAPC BZITGGIO BZITGGIO BZITGAPC BZNSPDIF_A BZNSPDIF BZASGAPC BZASPDIF BZNSGAPC BZNSPDIF BZNSPDIF_B BZNSPDIF BZBSGAPC BZBSPDIF BZNSGAPC BZNSPDIF BZNTPDIF_A BZNTPDIF BZATGAPC BZATPDIF BZNTGAPC BZNTPDIF BZNTPDIF_B BZNTPDIF BZBTGAPC BZBTPDIF BZNTGAPC BZNTPDIF Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 24 EF4PTOC EF4LLN0 EF4PTRC EF4PTRC EF4RDIR EF4RDIR GEN4PHAR GEN4PHAR PH1PTOC PH1PTOC EFPIOC EFPIOC EFPIOC EFRWPIOC EFRWPIOC EFRWPIOC ETPMMTR ETPMMTR ETPMMTR FDPSPDIS FDPSPDIS FDPSPDIS FMPSPDIS FMPSPDIS FMPSPDIS FRPSPDIS FPSRPDIS FPSRPDIS Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 25 LCCRPTRC LCCRPTRC LCNSPTOC LCNSPTOC LCNSPTOC LCNSPTOV LCNSPTOV LCNSPTOV LCP3PTOC LCP3PTOC LCP3PTOC LCP3PTUC LCP3PTUC LCP3PTUC LCPTTR LCPTTR LCPTTR LCZSPTOC LCZSPTOC LCZSPTOC LCZSPTOV LCZSPTOV LCZSPTOV LD0LLN0 LLN0 LDLPSCH LDLPDIF LDLPSCH Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 26 PAPGAPC PAPGAPC PAPGAPC PCFCNT PCGGIO PCFCNT PH4SPTOC GEN4PHAR GEN4PHAR OCNDLLN0 PH1BPTOC PH1BPTOC PH1PTRC PH1PTRC PHPIOC PHPIOC PHPIOC PRPSTATUS RCHLCCH RCHLCCH SCHLCCH PSLPSCH ZMRPSL PSLPSCH PSPPPAM PSPPPAM PSPPPAM PSPPTRC Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 27 STBPTOC STBPTOC BBPMSS STBPTOC STEFPHIZ STEFPHIZ STEFPHIZ STTIPHIZ STTIPHIZ STTIPHIZ SXCBR SXCBR SXCBR SXSWI SXSWI SXSWI T2WPDIF T2WPDIF T2WGAPC T2WPDIF T2WPHAR T2WPTRC T3WPDIF T3WPDIF T3WGAPC T3WPDIF T3WPHAR T3WPTRC Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 28 ZCRWPSCH ZCVPSOF ZCVPSOF ZCVPSOF ZGVPDIS ZGVLLN0 PH1PTRC PH1PTRC ZGVPDIS ZGVPDIS ZGVPTUV ZGVPTUV ZMCAPDIS ZMCAPDIS ZMCAPDIS ZMCPDIS ZMCPDIS ZMCPDIS ZMFCPDIS ZMFCLLN0 PSFPDIS PSFPDIS ZMFPDIS ZMFPDIS ZMFPTRC ZMFPTRC ZMMMXU ZMMMXU Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 29 ZMFPDIS ZMFPDIS ZMFPTRC ZMFPTRC ZMMMXU ZMMMXU ZMHPDIS ZMHPDIS ZMHPDIS ZMMAPDIS ZMMAPDIS ZMMAPDIS ZMMPDIS ZMMPDIS ZMMPDIS ZMQAPDIS ZMQAPDIS ZMQAPDIS ZMQPDIS ZMQPDIS ZMQPDIS ZMRAPDIS ZMRAPDIS ZMRAPDIS ZMRPDIS ZMRPDIS ZMRPDIS ZMRPSB ZMRPSB ZMRPSB ZSMGAPC ZSMGAPC ZSMGAPC Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 31: Section 2 Safety Information

    National and local electrical safety regulations must always be followed. Working in a high voltage environment requires serious approach to avoid human injuries and damage to equipment. Do not touch circuitry during operation. Potentially lethal voltages and currents are present. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 32 Take adequate measures to protect the eyes. Never look into the laser beam. The IED with accessories should be mounted in a cubicle in a restricted access area within a power station, substation or industrial or retail environment. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 33: Caution Signs

    Avoid touching the enclosure of the coupling capacitor REX061 unit and the shunt resistor REX062 unit. The surface may be hot during normal operation. The temperature can rise 50°C in REX061 and 65°C in REX062 above the ambient temperature. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 34: Note Signs

    Section 2 1MRK502053-UEN B Safety information Note signs Observe the maximum allowed continuous current for the different current transformer inputs of the IED. See technical data. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 35: Section 3 Available Functions

    LEXPDIS Loss of excitation ROTIPHIZ Sensitive rotor earth fault 1-B31 1-B31 1-B31 protection, injection based STTIPHIZ 100% stator earth fault protection, 1-B32 1-B32 1-B32 injection based ZGVPDIS Underimpedance for generators 0–1 and transformers Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 36: Back-Up Protection Functions

    GSPTTR Stator overload protection 1-C37 1-C37 1-C37 GRPTTR Rotor overload protection 0–1 1-C38 1-C38 1-C38 Voltage protection UV2PTUV Two step undervoltage protection OV2PTOV Two step overvoltage protection Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 37: Control And Monitoring Functions

    APC30 Apparatus control for up to 6 bays, max 30 1-H09 1-H09 1-H09 apparatuses (6CBs) incl. interlocking QCBAY Apparatus control 1+5/APC30 1+5/ 1+5/ 1+5/ APC3 APC3 APC3 Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 38 Fuse failure supervision based on voltage 1-G03 1-G03 1-G03 difference Logic SMPPTRC Tripping logic TMAGAPC Trip matrix logic ALMCALH Logic for group alarm WRNCALH Logic for group warning INDCALH Logic for group indication Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 39 Elapsed time integrator with limit transgression and overflow supervision Monitoring CVMMXN, Measurements CMMXU, VMMXU, CMSQI, VMSQI, VNMMXU AISVBAS Function block for service value presentation of secondary analog inputs EVENT Event function Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 40 I103SUPERV Supervison status for IEC 60870-5-103 I103USRDEF Status for user defiend signals for IEC 60870-5-103 L4UFCNT Event counter with limit supervision Metering PCFCNT Pulse-counter logic ETPMMTR Function for energy calculation and demand handling Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 41: Communication

    GOOSEINTRCV GOOSE function block to receive an integer value GOOSEMVRCV GOOSE function block to receive a measurand value GOOSESPRCV GOOSE function block to receive a single point value Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 42 1-P03 redundancy protocol (only in F00) Remote communication Binary signal transfer receive/ 6/36 6/36 6/36 6/36 transmit Transmission of analog data from LDCM Receive binary status from 6/3/3 6/3/3 6/3/3 6/3/3 remote LDCM Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 43: Basic Ied Functions

    Denial of service, frame rate control for OEM port CD DOSSCKT Denial of service, socket flow control GBASVAL Global base values for settings PRIMVAL Primary system values ALTMS Time master supervision ALTIM Time management Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 44 IEC 60870-5-103 Optical serial communication RS485103 IEC 60870-5-103 serial communication for RS485 IEC61850-8-1 Parameter setting function for IEC 61850 HORZCOMM Network variables via LON LONSPA SPA communication protocol LEDGEN General LED indication part for LHMI Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 45: Section 4 Starting Up

    Circuit diagram • Setting list and configuration • RJ-45 Ethernet cable (CAT 5) • Three-phase test kit or other test equipment depending on the complexity of the configuration and functions to be tested. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 46: Checking The Power Supply

    To ensure that the IED is according to the delivery and ordering specifications documents delivered together with each IED, the user should also after start-up use the built in HMI to check the IED's: Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 47: Ied Start-Up Sequence

    4.5.1 REX060 start up sequence When the injection unit REX060 is energized, the ABB logotype is shown followed by current REX060 revision status. When the start up sequence is completed, the main menu (normal display content) is shown. The duration of the start up sequence is a few seconds.
  • Page 48 Tx with Rx on the other side and vice versa. These cables are known as cross over cables. The maximum length is 2 m. The connector type is RJ-45. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 49 IED are received on the Tx pin on the PC. Thus, a straight (standard) Ethernet cable can be used. Select Search programs and files in the Start menu in Windows. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 50 Section 4 1MRK502053-UEN B Starting up IEC13000057-1-en.vsd IEC13000057 V1 EN Figure 4: Select: Search programs and files Type View network connections and click on the View network connections icon. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 51 Right-click and select Properties. IEC13000059-1-en.vsd IEC13000059 V1 EN Figure 6: Right-click Local Area Connection and select Properties Select the TCP/IPv4 protocol from the list of configured components using this connection and click Properties. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 52 IP address is not set to be obtained automatically by the IED, see Figure 8. The IP address must be different from the IP address chosen for the IED. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 53: Writing An Application Configuration To The Ied

    The red LED on the IED flashes, and the green LED is lit while the IED is in the configuration mode. When the configuration is written and completed, the IED is automatically set into normal mode. For further instructions please refer to the users manuals for PCM600. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 54: Checking Ct Circuits

    IED when plotting the excitation characteristics. If the CT secondary circuit earth connection is removed without the current transformer primary being de-energized, dangerous voltages may result in the secondary CT circuits. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 55: Checking Vt Circuits

    IED is in test mode. Before removing the test handle, check the measured values in the IED. Not until the test handle is completely removed, the trip and alarm circuits are restored for operation. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 56: Checking The Binary Input/Output Circuits

    Preferably, disconnect the binary output connector from the binary output cards. Check all connected signals so that both load and polarity are in accordance with IED specifications. 4.12 Checking optical connections Check that the Tx and Rx optical connections are correct. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 57 An IED equipped with optical connections has an minimum space requirement of 180 mm for plastic fiber cables and 275 mm for glass fiber cables. Check the allowed minimum bending radius from the optical cable manufacturer. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 59: Section 5 Configuring The Ied And Changing Settings

    IED. After that time has elapsed, it will be safe to turn the IED off, no data will be lost. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 60: Configuring Analog Ct Inputs

    Take the rated permissive overload values for the current inputs into consideration. Supervision of input/output modules I/O modules configured with PCM600 (BIM, BOM or IOM) are supervised. I/O modules that are not configured are not supervised. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 61 Each logical I/O module has an error flag that indicates signal or module failure. The error flag is also set when the physical I/O module of the correct type is not detected in the connected slot. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 63: Section 6 Calibrating Injection Based Sensitive Rotor Earth Fault Protection

    When the injection is started, check that the injected voltage and current are within the permissible limits. If not, adjust the settings in the injection unit REX060. The ICT tool will check automatically for slight differences between actual injected and set Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 64 The ICT now makes consecutive measurements until the statistical error reaches an acceptable value. This is graphically shown in a diagram. The user stops the sequence by acceptance of the measurement. The result is stored for later calculations. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 65: Launching Injection Commissioning Tool (Ict)

    Launching injection commissioning tool (ICT) To launch the Injection commissioning tool (ICT), right-click REG670 in the PCM plant structure and select the Injection commissioning. In the ICT toolbar, select the Rotor Earth Fault function. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 66 When you are ready to perform calibration, select the Submit and save in report button. ICT will now forward a more accurate frequency to Parameter setting. In Parameter setting, write the newly acquired parameter to IED. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 67: Performing Calibration

    Type 10000 in the real part of the Connected impedance field and leave the imaginary part field empty. This informs the ICT that we have attached 10kΩ pure resistive impedance. In the ICT toolbar, select the Start reading from IED button. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 68 12.1. If a failure is indicated during one or more check(s), follow the instructions/tips provided by the ICT in the Calibration result field. 12.2. If these tips do not solve the issue, then contact ABB Support. IEC11000221-1-en.vsd IEC11000221 V1 EN...

  • Page 69: Acquiring References

    Normally continuous readings are performed and the read absolute impedance is viewed in the plot. By observing the standard deviation of the measured impedance, the commissioning engineer can decide if the impedance of the generator is stable/ Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 70: Verifying Calibration

    Set the graph update period to one second by typing 1 into the Graph update period field. To start continuously plotting values on the graph with one second interval, select Start readings from IED. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 71 Trip indication shall be visible in the ICT toolbar. 10. Verify that TRIP and ALARM signals are connected to tripping/alarming/ signaling/communication in accordance with the scheme design. It is very important that the Function Tripping is Enabled under the following situations: Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 72: Auditing

    Click the Delete report button in the upper right corner of the auditing screen. • Select a record with the mouse cursor then press the Delete key on the keyboard. Generate logs in one of the following ways: Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 73: Editing Features In Graph

    Right click a graph and select Zoom in or Zoom out in the shortcut menu. IEC11000051-1-en.vsd GUID-3F080E48-8B77-48A0-8283-89511E1AE50B V1 EN Figure 17: Zooming via the shortcut menu • Use the mouse to zoom in and select a part of the graph area. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 74: Logging Measurements To File

    Select the Browse button. See figure Figure Navigate to a desired folder. Type a suitable file name for the .txt file and select Save. To start logging to this file, select the Start button. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 75 1 hour. The period can be adjusted before the logging is started, if needed. The logging can be stopped by selecting the Stop button. You can open the file in notepad or MS Excel. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 77: Section 7 Calibrating Injection Based 100% Stator Earth Fault Protection

    When the injection is started, check that the injected voltage and current are within the permissible limits. If not, adjust the settings of the injection unit REX060. The ICT tool will check automatically for slight differences between actual injected and set Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 78 ICT now makes consecutive measurements until the statistical error reaches an acceptable value. This is graphically shown in a Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 79 ICT also performs verification between the newly acquired and existing reference impedance(s) and warn the user if the resulting estimated fault difference could cause alarm or trip when one reference is shifted from another during operation. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 80: Launching Injection Commissioning Tool (Ict)

    Make sure you have not attached any additional impedance in parallel with the stator circuit. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 81: Performing Calibration

    From the ICT toolbar, select the Start reading from IED button. ICT now performs continuous measurements and after the tenth measurement it starts to update the graph. Notice that the stability region indicator bar reduces in size. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 82 12.1. If a failure is indicated during one or more check(s), follow the instructions/tips provided by the ICT in the Calibration result field. 12.2. If these tips do not solve the issue, then contact ABB Support. Generator protection REG670 2.0 IEC...

  • Page 83: Acquiring References

    The injection commissioning tool (ICT) helps the commissioning engineer to acquire additional references for different conditions of the generator. The below description assumes that reference 1 was set during calibration and that a second reference must be set now. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 84 2 impedance is presented. Select the Submit to Parameter setting button. This forwards the newly acquired reference to Parameter setting. Write the newly acquired real and imaginary parts of Reference 2 to IED. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 85: Verifying Calibration

    Select Fault conductance in the Viewed quantity drop-down menu. The fault conductance is equal to 1/fault resistance, and is more suitable to view when no faults or very small faults are applied/measured. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 86: Auditing

    During installations, calibrations and commissions the ICT generates reports for each of the steps and collects them under the Auditing tab. See the procedures below on how to view and delete reports as well as generate logs from reports. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 87 Open and see the details of the file in Notepad or MS Excel. After a successful generation of the log, the system confirms with a message along with the path of the log file. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 88: Editing Features In Graph

    Use the mouse to zoom in and select a part of the graph area. IEC11000052-1-en.vsd GUID-261171B2-59CD-4248-B873-39A2BC3CD1F1 V1 EN Figure 28: Zooming via area selection of a part of the graph • Press PgUp key on the keyboard to zoom in and PgDn to zoom out. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 89: Logging Measurements To File

    1 hour. The period can be adjusted before the logging is started, if needed. The logging can be stopped by selecting the Stop button. You can open the file in notepad or MS Excel. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 91: Section 8 Establishing Connection And Verifying The Spa/Iec Communication

    When using the IEC protocol, the rear SPA/IEC port must be set for IEC use. Two types of interfaces can be used: • for plastic fibres with connector type HFBR • for glass fibres with connectors type ST Procedure Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 92: Verifying The Communication

    SMS/SCS system are as expected. 8.2.2 Verifying IEC communication To verify that the IEC communication with the IEC master system is working, there are some different methods. Choose one of the following. Procedure Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 93: Fibre Optic Loop

    Losses in connection box, two contacts (0.5 dB/contact) 1 dB Losses in connection box, two contacts (1 dB/contact) 2 dB Margin for 2 repair splices (0.5 dB/splice) 1 dB Maximum total attenuation 11 dB 7 dB Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 95: Section 9 Establishing Connection And Verifying The Lon Communication

    An optical network can be used within the substation 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. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 96: The Lon Protocol

    Use the LON Network Tool (LNT) to set the LON communication. This is a software tool applied as one node on the LON bus. To communicate via LON, the IEDs need to know Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 97 Unit Parameter description NeuronID* 0 - 12 Not loaded Neuron hardware identification number in hexadecimal code Location 0 - 6 No value Location of the node *Can be viewed in the local HMI Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 98: Optical Budget Calculation For Serial Communication With Lon

    Losses in connection box, two contacts (0.75 dB/contact) 1.5 dB Losses in connection box, two contacts (1dB/contact) 2 dB Margin for repair splices (0.5 dB/splice) 0.5 dB Maximum total attenuation 11 dB 7 dB Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 99: Section 10 Establishing Connection And Verifying The Iec 61850 Communication

    Set Operation to On and PortSelGOOSE to the port used (for example LANAB). Enable redundant IEC 61850-8-1 communication for port AB and CD 2.1. Enable redundant communication. Navigate to: Main menu/Configuration/Communication/Ethernet configuration/PRP:1 Set values for Operation, IPAddress and IPMask. Operation must be set to Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 100: Verifying The Communication

    LAN-A-STATUS or LAN-B-STATUS (depending on which connection that was removed) are shown as Error and the that other signal is shown as Ok. Be sure to re- connect the removed connection after completed verification. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 101: Section 11 Testing Ied Operation

    Prepare the IED for test before testing a particular function. Consider the logic diagram of the tested protection function when performing the test. All included functions in the IED are tested according to the corresponding test instructions in this Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 102: Preparing The Ied To Verify Settings

    IED. To make testing even more effective, use PCM600. PCM600 includes the Signal monitoring tool, which is useful in reading the individual currents and voltages, their Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 103: Activating The Test Mode

    Use the up and down arrows to choose On and press E. Press the left arrow to exit the menu. The dialog box Save changes appears. Choose Yes, press E and exit the menu. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 104: Preparing The Connection To The Test Equipment

    Connect the test equipment according to the IED specific connection diagram and the needed input and output signals for the function under test. An example of a connection is shown in figure 30. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 105: Releasing The Function To Be Tested

    (and the interconnected ones) have the parameters Blocked and eventually EvDisable set to No and Yes respectively. Remember that a function is also blocked if the BLOCK input signal on the corresponding function block is active, Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 106: Verifying Analog Primary And Secondary Measurement

    The frequency and active power are located under Main menu/Measurements/ Monitoring/ServiceValues(MMXN)/CVMMXN:x. Then navigate to the bottom of the list to find the frequency. Inject an unsymmetrical three-phase voltage and current, to verify that phases are correctly connected. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 107: Testing The Protection Functionality

    Use the disturbance handling tool in PCM600 to evaluate that the protection function has received the correct data and responded correctly (signaling and timing). • Use the event viewer tool in PCM600 to check that only expected events have occurred. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 109: Section 12 Testing Functionality By Secondary Injection

    The Manual Trig can be started in two ways: From the local HMI under Main menu/Disturbance records. 1.1. Enter on the row at the bottom of the HMI called Manual trig. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 110: Event Recorder (Er) And Event List (El)

    When the IED is brought into normal service it is recommended to delete all events resulting from commissioning tests to avoid confusion in future fault analysis. All events in the IED can be cleared in the local HMI under Main Menu//Clear/Clear Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 111: Identifying The Function To Test In The Technical Reference Manual

    Check in the same way the function by injecting current in phases L2 and L3 respectively. Inject a symmetrical three-phase current and note the operate value. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 112: Completing The Test

    Note as well that used CT input in the IED must have ratio set as 1:1. This is essential for the measurement of the expected value. Normally Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 113: Completing The Test

    Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. 12.3.3.1 Verifying the settings Go to Main menu/Test/Function test modes/Differential protection and make sure all other functions, configured to the same current transformer inputs Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 114: Completing The Test

    CT in the power transformer neutral-to-earth circuit. Increase the injection current and note the operating value of the protection function. Check that all trip and start contacts operate according to the configuration logic. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 115: Completing The Test

    To verify the mho characteristic, at least two points should be tested. In the following, three test points are proposed. The mho characteristic always goes through the origin, which automatically gives a fourth point for the characteristic. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 116: Distance Protection Zones, Quadrilateral Characteristic

    The solid line and all test points except 13 are valid for this setting. When operationLdCom parameter is set to Off then the dotted lines and test point 13 are valid. Test points 5, 6, and 7 are not valid for this measurement. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 117 –0.2143 x RFPP/2 Exact: 0.8 x RFPP/2 (ArgDir=20°) 0.8 x RFPP/2 –0.4 x RLdFw x tan(ArgDir=20°) 0.4 x RLdFw 0.5 x X1 Exact –0.5 x R1 tan(ArgNegRes=30°) –0.23 x X1 Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 118 0.8 x (2 x X1 + X0 0.8 x (2 x R1 + R0 )/3 +RFPE 0.5 x (2 x X1 + R0 0.5 x (2 x R1 )/3 + RFPE Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 119: Measuring The Operating Limit Of Set Values In Cases Without Shaped Load Encroachment Characteristics (Operationldcmp=Off)

    L3-E according to Figure 32 Table 13 Test points 8 and 9 are intended to test the directional lines of impedance protection. Since directionality is a common Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 120: Measuring The Operating Time Of Distance Protection Zones

    Ensure that the maximum continuous current to the IED does not exceed four times its rated value, if the measurement of the operating characteristics runs under constant voltage conditions. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 121 Test points 5, 6, and 7 are not valid for this measurement. 120° R (Ohm/phase) 20° 40% of RLdFw 80% of RLdFw 0.5 x RFPP IEC05000368-3-en IEC05000368 V3 EN Figure 33: Distance protection characteristic with test points for phase-to-phase measurements Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 122 Exact –0.5 x R1 tan(ArgNegRes=30°) –0.37 x X1 0.5 x X1 0.5 x R1 OperationLdCmp Only used when setting is 0 (Off) 0.5 x RFPP Table is used in conjunction with figure 31. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 123 0.85 x RFPE RLdFwset x tan(ArgLdSet) RLdFw RLdFw –02143 x RLdFw Exact: 0.8 x RFPE x tan (ArgDir=20°) 0.8 x RLdFw –0.8 x RLdFw x tan(ArgDir=20°) 0.8 x RLdFw Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 124: Measuring The Operating Limit Of Set Values In Cases Without Shaped Load Encroachment Characteristics (Operationldcmp=Off)

    (directional angles). Directional functionality testing (trip inside, no-trip outside) should always be carried for all impedance zones set with directionality (forward or reverse). 12.4.3.2 Measuring the operate time of distance protection zones Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 125: Completing The Test

    (IBase). The angle between the voltage and current shall be 0°. With maintained amplitude of the injected voltage the current amplitude and angle is changed to a value ZC/2. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 126 0.92 UBase the START signal should be activated. In addition to this the signal ZONE2 should be activated. Set N2Limit to 1 and repeat step 6. Now the signals TRIP2 and TRIP should be activated. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 127 Testing functionality by secondary injection Zone 1 Zone 2 X’ Pole slip impedance movement Zone 2 TripAngle Zone 1 WarnAngle IEC07000099_2_en.vsd IEC07000099 V2 EN Figure 35: Setting of the pole slip protection PSPPPAM Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 128: Completing The Test

    If there are several out-of-step relays in the power system, then the one which finds the center of oscillation in its zone 1 should operate first. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 129: Verifying The Settings

    The rating of the analogue channels is considered in order to avoid any hardware damage. The test current is lower than the continuous permissive overload current I of the protection current channels of the transformer ovrl module. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 130 1; if the test voltage is higher than V , then the test is related to the zone 2. t,RZ1 Considering the resistances and reactances which are related to the settings (ForwardR, ForwardX) and (ReverseR, ReverseX): Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 131 Limitations may be related to the available test set; the current I was calculated by using a factor 2.5 (instead of the maximum value 4) in order to reduce the magnitude of the test voltage for the points RE and SE. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 132 0/0. The accuracy of the impedance reach is ±2% of the base impedance; that is considered while evaluating the test results. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 133: Test Of Point Re

       arctan arctan 82. . 14° ∠  =  =   ForwardR 8 19     (Equation 18) EQUATION14058 V1 EN frequency of V = 50 Hz Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 134  =  =   ForwardR 8 19     (Equation 22) EQUATION14058 V1 EN frequency of V = 50 Hz =0 A =0 A • State 2: main test step. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 135    arctan arctan 82. . 14° ∠  =  =   ForwardR 8 19     (Equation 28) EQUATION14058 V1 EN frequency of V = 50 Hz Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 136  =   ForwardR 8 19     (Equation 32) EQUATION14058 V1 EN frequency of V = 50 Hz = 0 A = 0 A • State 2: main test step. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 137: Test Of The Boundary Between Zone 1 And Zone 2, Which Is Defined By The Parameter Reachz1

    EQUATION14065 V1 EN 59 33 ForwardX     arctan arctan 82. . 14° ∠  =  =   ForwardR 8 19     (Equation 38) EQUATION14058 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 138 82. . 14° ∠  =  =   ForwardR 8 19     (Equation 42) EQUATION14058 V1 EN frequency of V = 50 Hz. = 0 A Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 139 EQUATION14066 V1 EN ForwardX 59 33     arctan arctan 82. . 14° ∠  =  =   ForwardR 8 19     (Equation 48) EQUATION14058 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 140 82. . 14° ∠  =  =   ForwardR 8 19     (Equation 52) EQUATION14058 V1 EN frequency of V = 50 Hz = 0 A Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 141: Test Of The Point Se (R Rvsr , X Rvsx )

    Apply the following three-phase symmetrical quantities (the phase angle is related to phase L1): VT s 0 9 5899 38 47 × × × × t RvsZ 13 8 VT p (Equation 57) EQUATION14067 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 142 EQUATION14067 V1 EN æ ö æ ö ReverseX 29.60 Ð ° = ° = - ° ç ÷ ç ÷ arctan arctan 90.56 è ø è ø ReverseR 0.29 (Equation 62) EQUATION14068 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 143 Apply the following three-phase symmetrical quantities (the phase angle is related to phase L1): VT s 1 1 5899 47 02 × × × × t RvsZ 13 8 VT p (Equation 67) EQUATION14069 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 144 EQUATION14069 V1 EN æ ö æ ö ReverseX 29.60 Ð ° = ° = - ° ç ÷ ç ÷ arctan arctan 90.56 è ø è ø ReverseR 0.29 (Equation 72) EQUATION14068 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 145 = 180º frequency of I = 50.5 Hz Expected result: the protection function does not issue either start or trip. After each test it is possible to download and study the related disturbance recording. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 146: Loss Of Excitation Lexpdis

    No start or trip signals shall be activated. Feed the IED with current and voltage corresponding to the apparent impedance: Test #2, as shown in figure 39. Read the analog outputs for R and X and check Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 147 Underexcitation Protection Test #1 Restrain area Test #2 Test #3 Test #4 Z1, Fast zone Z2, Slow zone IEC06000513-2-en.vsd IEC06000513 V2 EN Figure 39: Testing current and voltage corresponding to the apparent impedance Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 148: Completing The Test

    If the measurement of the operating characteristics runs under constant voltage conditions, ensure that the maximum continuous current in an IED does not exceed four times its rated value. To verify the zone 1 mho characteristic, at least two points must be tested. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 149 1 has elapsed, the signals TRIP and TRZ1 shall be activated. To verify zone 2 and zone 3 mho characteristic, at least two points must be tested. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 150 START and STZx are activated (where x is 2 or 3 depending on selected zone). After the operate time delay of the respective zone has elapsed, also the signals TRIP and TRZx (where x is 2 or 3 depending on selected zone) shall be activated. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 151: Completing The Test

    ZGVPDIS for the function, or for each individual function in a chain, to be tested next. Remember to set the parameter Blocked to Yes, for each individual function that has been tested. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 152: Rotor Earth Fault Protection With Rxtte4 And General Current And Voltage Protection Cvgapc

    The injected voltage is fed to a voltage input of the REG670 IED. The current caused by the injection is fed to a current input of the REG670 IED via a current transformer, which is amplifying the current ten times, as shown in figure 42. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 153 First the 120 (230) V input to RXTTE4 is disconnected. This should give a signal from REG670 that the injection voltage is low. Reconnect the 120 (230) V input and check that the low injection voltage signal resets. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 154: Completing The Test

    Inject a phase current into the IED with an initial value below that of the setting. Set the operation mode to 1 out of 3. Increase the injected current in the Ln phase until the TRL (n=1–3) signal appears. Switch the fault current off. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 155: Completing The Test

    If 2 out of 3 currents for operation is chosen: The voltage angle of phase L1 – the voltage angle of L2 is the reference. If 3 out of 3 currents for operation is chosen: The voltage angle of phase L1 is the reference. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 156: Completing The Test

    Instantaneous residual overcurrent protection EFPIOC Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. To verify the settings the following fault type should be tested: • Phase-to-earth fault Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 157: Measuring The Operate Limit Of Set Values

    If the test has been performed by injection of current in phase L1, repeat the test, injecting current into terminals L2 and L3 with a polarizing voltage connected to terminals L2, respectively L3. Block lower set steps when testing higher set steps according to the instructions that follow. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 158: Four Step Non-Directional Earth Fault Protection

    In version 2.0, a typical starting time delay of 24ms is subtracted from the set trip time delay, so that the resulting trip time will take the internal IED start time into consideration. Procedure Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 159: Completing The Test

    Off. Restore connections and settings to their original values, if they were changed for testing purposes. 12.5.6 Sensitive directional residual overcurrent and power protection SDEPSDE Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 160: Measuring The Operate And Time Limit For Set Values

    Compare the result with the set value and make sure that the new injected 3I · cos φ is equal to the setting INcosPhi>.. Take the set characteristic into consideration, see Figure and Figure 45. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 161 UNRel> . Continue to test another function or complete the test by setting the test mode to Off. RCADir Operate area 3 × ROADir IEC06000650_2_en.vsd IEC06000650 V2 EN Figure 44: Characteristic with ROADir restriction Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 162 Compare the result with the set value and make sure that the new injected 3I · · cos φ is equal to the setting SN>. Take the set characteristic into consideration, see figure and figure 45. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 163 Compare the result with the expected value. The expected value depends on whether definite or inverse time was selected. Continue to test another function or complete the test by setting the test mode to Off. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 164 Inject a voltage 0.8 · UNRel> and a current high enough to operate the directional function at the chosen angle. Increase the voltage until the directional function is released. Compare the measured value with the set UNRel> operate value. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 165: Completing The Test

    With setting Itr = 101%IBase1 and injection current 1.50 · IBase1, the trip time from zero content in the memory shall be 0.60 · Time Constant 1 (Tau1). 12. Check that all trip and alarm contacts operate according to the configuration logic. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 166: Completing The Test

    Apply the fault condition, including START of CCRBRF, with a current below set IP>. Repeat the fault condition and increase the current in steps until a trip occurs. Compare the result with the set IP>. Disconnect AC and START input signals. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 167: Checking The Residual (Earth Fault) Current Operate Value In> Set Below Ip

    Apply the fault condition, including start of CCRBRF, well above the set current value. Verify that no re-trip, but back-up trip is achieved after set time. RetripMode = CB Pos Check Checking the re-trip with current check, Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 168: Verifying The Back-Up Trip Mode

    IP> but above IN>. The residual earth-fault should then be above set IN>. Verify that back-up trip is achieved after set time. If selected, re-trip should also appear. Disconnect AC and START input signals. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 169: Verifying Instantaneous Back-Up Trip At Cb Faulty Condition

    Disconnect the start signal(s). Keep the CB closed signal(s). Apply input signal(s), for start of CCRBRF. Arrange disconnection of CB closed signal(s) well before set back-up trip time Verify that back-up trip is not achieved. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 170: Verifying The Function Mode Current&Contact

    Off. Restore connections and settings to their original values, if they were changed for testing purposes. 12.5.9 Pole discordance protection CCPDSC Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 171: Verifying The Settings

    Completing the test Continue to test another function or end the test by changing the TestMode setting to Off. Restore connections and settings to their original values, if they were changed for testing purposes. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 172: Directional Underpower Protection Guppdup

    PosSeq PosSeq (Equation 82) EQUATION1699 V1 EN L1L2 × (Equation 83) EQUATION1700 V1 EN L2L3 × (Equation 84) EQUATION1701 V1 EN L3L1 × (Equation 85) EQUATION1702 V1 EN Table continues on next page Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 173: Completing The Test

    The test is made by means of injection of voltage and current where the amplitude of both current and voltage and the phase angle between the voltage and current can be controlled. During the test the analog outputs of active and reactive power shall be monitored. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 174: Completing The Test

    In version 2.0, a typical starting time delay of 24ms is subtracted from the set trip time delay, so that the resulting trip time will take the internal IED start time into consideration. 12.5.12.1 Verifying settings by secondary injection Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 175  This means that if current jumps from 0 to 2 times start and negative sequence capability value of generator K1 is set to 10 s and current start level I2-1> is set Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 176: Completing The Test

    Decrease the current slowly and note the reset value. Connect a trip output contact to a timer. Set the injected current to 200% of the operate level of the tested stage, switch on the current and check the time delay. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 177: Voltage-Restrained Time Overcurrent Protection Vrpvoc

     − VTprim CTprim     UBase × ×     VTprim   (Equation 90) IECEQUATION2433 V1 EN Third part of the characteristic (UHighLimit/100*UBase ≤ Restrain voltage): Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 178 IL1 is slightly above 0.25 A on the secondary side. The corresponding trip signals TROC and TRIP will be activated after the pre-set time delay has expired. Decrease the current IL1 slowly and note the reset value. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 179 Main menu/Settings/IED Settings/Current protection/ VoltageRestOverCurr(51V,2(I>/U<))/VRPVOC(51V,2(I>/U<)):1/ Undervoltage and set the setting Operation_UV = On to activate the undervoltage stage. 13. Slowly decrease the voltage in two phases simultaneously, until the STUV and START signals appear. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 180: Completing The Test

    The function has heating content memory features. Thus if testing shots are done consecutively, operate time will be shorten accordingly, compared to the given operate characteristic. Therefore either wait until set tReset time has elapsed, between Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 181: Completing The Test

    Precautions if MeasurCurrent = DC. The magnitude of the injected current have to be decreased by multiplying it with a factor of 0.741 in order to get correct operate times when testing with three-phase symmetrical sinusoidal currents. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 182: Completing The Test

    Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. 12.6.1.1 Verifying the settings Verification of START value and time delay to operate for Step 1 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 183  <   (Equation 96) IECEQUATION2428 V1 EN where: t(s) Operate time in seconds Settable time multiplier of the function for step 1 Measured voltage U1< Set start voltage for step 1 Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 184: Completing The Test

    UBase × × VTprim (Equation 98) IECEQUATION2427 V1 EN Decrease the voltage slowly and note the reset value. Set and apply about 20% higher voltage than the measured operate value for one phase. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 185: Extended Testing

    For example, if the inverse time curve A is selected, the trip signals TR1 and TRIP operate after a time corresponding to the equation:   −   >   (Equation 99) IECEQUATION2429 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 186: Completing The Test

    Reduce the voltage slowly and note the reset value. 10. Set the time delay to the correct value according to the setting plan and check the time delay tMin, injecting a voltage corresponding to 1.2 · V/Hz>>. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 187: Completing The Test

    Apply voltage higher than the highest set value of UDTrip, U1Low and U2Low to the U1 three-phase inputs and to one phase of the U2 inputs according to figure 47. The voltage differential START signal is set. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 188 The connections to U1 must be shifted to test another phase. (UL1 to UL2, UL2 to UL3, UL3 to UL1) Check of U2Low Procedure Connect voltages to the IED according to valid connection diagram and figure 48. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 189: Check Of Voltage Differential Trip And Alarm Levels

    Check U2 blocking level by comparing the voltage level at reset with the set undervoltage blocking U2Low. 12.6.5.2 Check of voltage differential trip and alarm levels Procedure Connect voltages to the IED according to valid connection diagram and figure 49. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 190: Check Of Trip And Trip Reset Timers

    Observe that the connections to U1 must be shifted to test another phase. (UL1 to UL2, UL2 to UL3, UL3 to UL1) 12.6.5.3 Check of trip and trip reset timers Procdure Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 191: Final Adjustment Of Compensation For Vt Ratio Differences

    Off. Restore connections and settings to their original values, if they were changed for testing purposes. 12.6.6 100% Stator earth fault protection, 3rd harmonic based STEFPHIZ Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 192: Testing

    Read the value of DU (differential voltage). The value of DU should be close to the following value: × × cos(ANGLE) sin(ANGLE) (Equation 101) EQUATION2071 V1 EN Decrease the value of the injected voltage U until the signal START3H is activated. Check that Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 193: Verifying Settings

    If the function is used with the option of neutral point measurement only the test is performed by check of this voltage. The operate value should be above the measured residual third-harmonic voltage in the neutral point at normal operation (non-faulted generator). Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 194: Completing The Test

    The test above can be repeated to check the time to reset. The tests above can be repeated to test the frequency dependent inverse time characteristic. Verification of the low voltage magnitude blocking Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 195: Completing The Test

    Note that the measured time consists of the set value for time delay plus minimum operate time of the start function (80 - 90 ms). Extended testing The test above can be repeated to check the time to reset. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 196: Completing The Test

    Instantaneously decrease the frequency of the applied voltage to a value about 20% lower than the nominal value. Measure the time delay for the TRIP signal, and compare it with the set value. Extended testing Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 197: Completing The Test

    12. Wait for a time corresponding to tCont and ensure that the TRIP and TRIPCONT signals are generated. 13. Measure the time delay for the TRIP signal and compare it to the set value. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 198 Ensure that the EnaVoltCheck is enabled. Supply the IED with three-phase currents and voltages at their rated values. Check that the VOLTOK signal appears. Slowly decrease the frequency of the applied voltage until the START signal appears. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 199: Completing The Test

    Due to the versatile possibilities of CVGAPC itself, but also the possibilities of logic combinations in the application configuration of outputs from more than one CVGAPC function block, it is hardly possible to define a fully covering general commissioning test. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 200: Built-In Overcurrent Feature (Non-Directional)

    The current restraining value has also to be measured or calculated and the influence on the operation has to be calculated when the testing of the operate value is done. 12.8.1.3 Overcurrent feature with voltage restraint Procedure Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 201: Overcurrent Feature With Directionality

    Reverse the direction of the injection current and check that the protection does not operate. Check with low polarization voltage that the feature becomes non-directional, blocked or with memory according to the setting. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 202: Over/Undervoltage Feature

    Inject a current 0.1 · IBase to the reference current input I5. Increase slowly the current in one of the phases current input and check that FAIL output is obtained when the current is about 0.9 · IBase. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 203: Completing The Test

    There should be no change in the high status of the output signals BLKU and BLKZ. • The signal 3PH will appear. Establish normal voltage and current operating conditions simultaneously and observe the corresponding output signals. They should change to logical 0 as follows: Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 204: Measuring The Operate Value For The Negative Sequence Function

    Observe that the currents in the equation are phasors. × × + × (Equation 108) IECEQUATION00021 V1 EN Where: = the measured phase currents I and I IECEQUATION00020 V1 EN Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 205: Measuring The Operate Value For The Zero-Sequence Function

    I and I IECEQUATION00020 V1 EN Compare the result with the set value of the zero-sequence operating current. Consider that the set value 3I0< is in percentage of the base current IBase. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 206: Measuring The Operate Value For The Dead Line Detection Function

    Connect the nominal voltages in all three phases and feed a current below the operate level in all three phases. Keep the current constant. Disconnect the voltage in all three phases simultaneously. The BLKU, BLKZ and 3PH signals should not appear. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 207: Completing The Test

    Apply three-phase voltages with the value slightly below USealIn level. Decrease one of the three-phase voltages on main fuse group. The voltage change must be greater than the set value for Ud>MainBlock. MAINFUF signal is activated. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 208: Completing The Test

    The test set must also be able to generate different frequencies on different outputs. The description below applies for a system with a nominal frequency of 50 Hz but can be directly applicable to 60 Hz. SESRSYN can be set Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 209 Ph/N equipment Ph/Ph Input Phase L1,L2,L3 L12,L23,L31 UMeasure U-Line Ph/N U3PLN1 Ph/Ph Input Phase L1,L2,L3 L12,L23,L31 IEC05000480-4-en.vsd IEC05000480 V4 EN Figure 51: General test connection with three-phase voltage connected to the line side Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 210: Testing The Synchronizing Function

    FreqDiffMin. The test procedure below will depend on the settings used. Input STARTSYN must be activated during the test. FreqDiffMax = 50.2 Hz FreqDiffMin = 50.01 Hz tBreaker = 0.080 s Apply voltages Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 211: Testing The Synchrocheck Check

    Increase the U-Bus to 110% GblBaseSelBus, and the U-Line = 90% GblBaseSelLine and also the opposite condition. Check that the two outputs for manual and auto synchronism are not activated. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 212 FreqDiffA and FreqDiffM respectively and that operation is blocked when the frequency difference is greater. Test with frequency difference = 0 mHz Test with a frequency difference outside the set limits for manual and auto synchronizing check respectively. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 213: Testing The Energizing Check

    The test should verify that the energizing check function operates for a low voltage on the U-Line and for a high voltage on the U-Bus. This corresponds to the energizing of a dead line to a live bus. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 214 Verify the local HMI setting AutoEnerg to be Off and ManEnerg to be DBLL. Set the parameter ManEnergDBDL to On. Apply a single-phase voltage of 30% GblBaseSelBus to the U-Bus and a single- phase voltage of 30% GblBaseSelLine to the U-Line. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 215: Testing The Voltage Selection

    SESRSYN 3) functions. These three SESRSYN functions can either be in one, two or three different IEDs. Table describes the scenario when SESRSYN 1, SESRSYN 2 and SESRSYN 3 all are in the same IED. If SESRSYN 3 is in another IED, WA1 will Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 216 WA2_QA B1SEL, B2SEL SESRSYN 3 1 ½ bus WA2 – LINE2_Q B2SEL, (Operates on alt. CB LINE2 LN2SEL WA2_QA1) (mirrored) WA2 – TIE_QA1 LINE1_Q B2SEL, LINE1 LN1SEL WA2 – TIE_QA1 WA1_QA B1SEL, B2SEL Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 217: Completing The Test

    In such cases, where there is a mismatch, the user is advised to make a complete cycle of block/unblock operations to align the statuses. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 218: Voltage Control (Vctr) Tr1Atcc, Tr8Atcc, Tcmyltc, Tclyltc

    Confirm that the setting for short circuit impedance Xr2 for TR1ATCC or TR8ATCC is in accordance with transformer data: • Short circuit impedance, available on the local HMI under Main menu/ Settings/General settings/Control/ Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 219 Ia, Ib, Ic or the two-phase quantities Ii and Ij, or single-phase current Ii. Also note that for simplicity, the Parameter Setting menu structures included in the following procedure are referred to universally as VCP1, for example, Main menu/Settings/Setting Group N/ Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 220: Secondary Test

    Confirm Transformer Tap Control = On and Transformer Voltage Control = On • Direct tap change control Main menu/Settings/Setting Group N/Control/ TransformerTapChanger(YLTC,84)/TCMYLTC:x/TCLYLTC:x/ Operation • Automatic transformer voltage control Main menu/Settings/Setting Group N/Control/ TransformerVoltageControl(ATCC,90)/TR1ATCC:x/TR8ATCC:x/ General/Operation • Enable Tap Command Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 221: Check The Normal Voltage Regulation Function

    Confirm the setting for Ublock, nominally at 80% of rated voltage. Confirm the voltage control function response to an applied voltage below Ublock, by reviewing the setting in the local HMI under Main menu/Settings/ Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 222: Check The Upper And Lower Busbar Voltage Limit

    This situation can also be confirmed through reviewing the disturbance and service reports on the local HMI. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 223: Single Transformer

    Inject voltage for U equal to setting USet. Inject current equal to rated current I2Base. Confirm on the local HMI that service values for bus voltage and load current are equal to injected quantities. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 224: Parallel Voltage Regulation

    Review the expected time for first (t1) and subsequent (t2) tap change commands from the master transformer in the local HMI under Main menu/ Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 225 If T1 - T3 are available, • T1RXOP and T2RXOP shall be set to On in instance 3 of TR8ATCC, • T2RXOP and T3RXOP shall be set to On in instance 1 of TR8ATCC and so on. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 226 To cause a tap change, the calculated value for circulating current voltage adjustment must offset the injected quantity for bus voltage U so that Ui is outside the voltage deadband created by setting UDeadband. Expressed by equation and equation 122. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 227 Confirm that OperationPAR is set to CC for each transformer in the parallel group. Confirm that OperCCBlock is set to On for each transformer in the parallel group. Review the setting for CircCurrLimit. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 228: Completing The Test

    12.10.5 Interlocking Prepare the IED for verification of settings outlined in section "Requirements" section "Preparing for test" in this chapter. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 229: Logic

    In addition to various other tests, the following tests should be performed. They depend on the complete configuration of an IED: Procedure Make sure that TripLockout and AutoLock are both set to Off. Initiate different single-phase-to-earth faults one at a time. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 230: 1Ph/2Ph/3Ph Operating Mode

    In addition to other tests, the following tests, which depend on the complete configuration of an IED, should be carried out. Procedure Make sure that AutoLock and TripLockout are both set to Off. Initiate different single-phase-to-earth faults one at a time. Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 231 Check, that the output signals, issued for the first fault, correspond to a two- trip for included phases. The output signals generated by the second fault must correspond to the three-phase tripping action. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 232: Circuit Breaker Lockout

    Completing the test Continue to test another function or end the test by changing the Test mode setting to Off. Restore connections and settings to their original values, if they were changed for testing purposes. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 233: Monitoring

    Off. Restore connections and settings to their original values, if they were changed for testing purposes. 12.12.2 Liquid medium supervision SSIML Prepare the IED for verification of settings as outlined in section "Completing the test" in this chapter. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 234: Testing The Liquid Medium Supervision For Alarm And Lock Out Conditions

    The Signal Monitoring tool in PCM600 shows the service values that are available on the Local HMI as well. Values of the logical signals belong to the breaker monitoring are available on the local HMI under: Main menu/Test/Function status/Monitoring/ BreakerMonitoring/SSCBR:x Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 235: Verifying The Settings

    Check that the output CBLIFEPH is decreased with a value that corresponds to the injected current. 6.4. CBLIFEAL is activated as soon as CBLIFEPH is below the set CBLifeAlmLevel value. Test of accumulated energy Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 236: Completing The Test

    Completing the test Continue to test another function or end the test by changing the Test mode setting to Off. Restore connections and settings to their original values if they were changed for testing purposes. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 237: Event Function Event

    PCM600 or on the local HMI. 12.13.2 Function for energy calculation and demand handling ETPMMTR Prepare the IED for verification of settings as outlined in section ”Overview “ and section ”Preparing for test“ in this chapter. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 238: Verifying The Settings

    Check after 1 minute whether the MAXPAFD and MAXPRFD outputs are retaining the old maximum value. Similarly the testing can be done for MAXPAFD and MAXPRFD outputs by changing the power inputs directions through direction settings. Verification of EAFALM & ERFALM outputs Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 239: Completing The Test

    12.15 Remote communication 12.15.1 Binary signal transfer BinSignReceive, BinSignTransm Prepare the IED for verification of settings as outlined in section "Preparing the IED to verify settings". Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 240 (BO). Check at End2 that the BI signal is received and the BO operates. Repeat the test for all the signals configured to be transmitted over the communication link. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 241: Basic Ied Functions

    Operating procedures for the PC aided methods of changing the active setting groups are described in the corresponding PCM600 documents and instructions for the operators within the SCS are included in the SCS documentation. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 242: Completing The Test

    The following procedure is used to return to normal operation. Navigate to the test mode folder. Change the On setting to Off. Press the 'E' key and the left arrow key. Answer YES, press the 'E' key and exit the menus. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 243: Section 13 Checking The Directionality

    ZDMRDIR are available under the HMI menu: Main menu/ Settings/IED Settings/Impedance protection/ DirectionalImpedance The primary load impedance must have an angle (PHI) between the setting angles for the directional lines. In case of default settings this means: Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 244 Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 245 (importing) resistive load (active power). Usually it is enough to look at the resistive values to get information of the load direction, that must anyway be compared with the indication given by external equipment measuring the same power flow. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 247: Section 14 Commissioning And Maintenance Of The Fault Clearing System

    The periodicity of all tests depends on several factors, for example the importance of the installation, environmental conditions, simple or complex equipment, static or electromechanical IEDs, and so on. The normal maintenance praxis of the user should be followed. However, ABB's recommendation is as follows: Every second to third year •...

  • Page 248: Visual Inspection

    IED at a time on live circuits where redundant protection is installed and de- energization of the primary circuit is not allowed. ABB protection IEDs are preferably tested by aid of components from the COMBITEST testing system described in information B03-9510 E. Main...

  • Page 249: Recording

    The healthy circuit is of utmost importance for the protection operation. If the circuit is not provided with a continuous trip-circuit supervision, it is possible to check that circuit Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 250: Measurement Of Service Currents

    The neutral-point voltage to an earth-fault protection IED is checked. The voltage is normally 0.1 to 1V secondary. However, voltage can be considerably higher due to harmonics. Normally a CVT secondary can have around 2.5 - 3% third-harmonic voltage. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 251: Restoring

    Thus a list should be prepared of all items disturbed during test so that all can be put back into service quickly and without overlooking something. It should be put back into service item by item and signed by the responsible engineer. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 253: Section 15 Troubleshooting

    No problem detected. None. Time synch Fail No time synchronization. Check the synchronization source for problems. If the problem persists, contact your ABB representative for service. Real time clock Ready No problem detected. None. Real time clock Fail The real time clock has Set the clock.

  • Page 254: Fault Tracing

    Ready (I/O module name) Fail I/O modules has failed. Check that the I/O module has been configured and connected to the IOP1- block. If the problem persists, contact your ABB representative for service. 15.2 Fault tracing 15.2.1 Internal fault indications...

  • Page 255: Using Front-Connected Pc

    40 events. The list is based on the FIFO principle, when it is full, the oldest event is overwritten. The list cannot be cleared and its content cannot be erased. Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 256: Repair Instruction

    Exact time when the fault occurred. 15.3 Repair instruction Never disconnect the secondary connection of a current transformer circuit without short-circuiting the transformer’s secondary winding. Operating a current transformer with the secondary winding open will Generator protection REG670 2.0 IEC Commissioning manual...

  • Page 257: Troubleshooting

    Operation may be disrupted and IED and measuring circuitry may be damaged. An alternative is to open the IED and send only the faulty circuit board to ABB for repair. When a printed circuit board is sent to ABB, it must always be placed in a metallic, ESD-proof, protection bag.

  • Page 258: Repair Support

    Troubleshooting 15.4 Repair support If an IED needs to be repaired, the whole IED must be removed and sent to an ABB Logistic Center. Before returning the material, an inquiry must be sent to the ABB Logistic Center. e-mail: offer.selog@se.abb.com 15.5...

  • Page 259: Section 16 Glossary

    Binary signal transfer function, receiver blocks Binary signal transfer function, transmit blocks C37.94 IEEE/ANSI protocol used when sending binary signals between IEDs Controller Area Network. ISO standard (ISO 11898) for serial communication Circuit breaker Combined backplane module Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 260 Delayed autoreclosing DARPA Defense Advanced Research Projects Agency (The US developer of the TCP/IP protocol etc.) DBDL Dead bus dead line DBLL Dead bus live line Direct current Data flow control Discrete Fourier transform Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 261 Electrical and functional description for digital lines used by local telephone companies. Can be transported over balanced and unbalanced lines Communication interface module with carrier of GPS receiver module Graphical display editor within PCM600 General interrogation command Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 262 (IEDs) Cyber Security Capabilities Intelligent electronic device I-GIS Intelligent gas-insulated switchgear Binary input/output module Instance When several occurrences of the same function are available in the IED, they are referred to as instances of that Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 263 Milli-ampere module Main processing module MVAL Value of measurement Multifunction vehicle bus. Standardized serial bus originally developed for use in trains. National Control Centre Number of grid faults Numerical module OCO cycle Open-close-open cycle Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 264 A balanced serial interface for the transmission of digital data in point-to-point connections RS485 Serial link according to EIA standard RS485 Real-time clock Remote terminal unit Substation Automation Select-before-operate Switch or push button to close Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 265 TCP/IP is often used to refer to the entire US Department of Defense protocol suite based upon these, including Telnet, FTP, UDP and RDP. Time delayed earth-fault protection function Transport Layer Security Transmit (disturbance data) Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 266 A digital signalling interface primarily used for telecom equipment Three times zero-sequence current.Often referred to as the residual or the earth-fault current Three times the zero sequence voltage. Often referred to as the residual voltage or the neutral point voltage Generator protection REG670 2.0 IEC Commissioning manual...
  • Page 268 Contact us Note: For more information please contact: We reserve the right to make technical changes or modify the contents of this document without prior notice. ABB AB ABB AB does not accept any responsibility whatsoever for potential Substation Automation Products errors or possible lack of information in this document.

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