1MRK506325-UEN - En Application Manual Line Distance Protection REL650 IEC

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Relion ® 650 series Line distance protection REL650 Application Manual

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Transcript of 1MRK506325-UEN - En Application Manual Line Distance Protection REL650 IEC

  • Relion 650 series

    Line distance protection REL650Application Manual

  • Document ID: 1MRK 506 325-UENIssued: February 2011

    Revision: -Product version: 1.1

    Copyright 2011 ABB. All rights reserved

  • CopyrightThis document and parts thereof must not be reproduced or copied without writtenpermission from ABB, and the contents thereof must not be imparted to a thirdparty, nor used for any unauthorized purpose.The software or hardware described in this document is furnished under a licenseand may be used or disclosed only in accordance with the terms of such license.TrademarksABB and Relion are registered trademarks of ABB Group. All other brand orproduct names mentioned in this document may be trademarks or registeredtrademarks of their respective holders.WarrantyPlease inquire about the terms of warranty from your nearest ABB representative.

    ABB ABSubstation Automation ProductsSE-721 59 VstersSwedenTelephone: +46 (0) 21 32 50 00Facsimile: +46 (0) 21 14 69 18http://www.abb.com/substationautomation

  • DisclaimerThe data, examples and diagrams in this manual are included solely for the conceptor product description and are not to be deemed as a statement of guaranteedproperties. All persons responsible for applying the equipment addressed in thismanual must satisfy themselves that each intended application is suitable andacceptable, including that any applicable safety or other operational requirementsare complied with. In particular, any risks in applications where a system failure and/or product failure would create a risk for harm to property or persons (including butnot limited to personal injuries or death) shall be the sole responsibility of theperson or entity applying the equipment, and those so responsible are herebyrequested to ensure that all measures are taken to exclude or mitigate such risks.This document has been carefully checked by ABB but deviations cannot becompletely ruled out. In case any errors are detected, the reader is kindly requestedto notify the manufacturer. Other than under explicit contractual commitments, inno event shall ABB be responsible or liable for any loss or damage resulting fromthe use of this manual or the application of the equipment.

  • ConformityThis product complies with the directive of the Council of the EuropeanCommunities on the approximation of the laws of the Member States relating toelectromagnetic compatibility (EMC Directive 2004/108/EC) and concerningelectrical equipment for use within specified voltage limits (Low-voltage directive2006/95/EC). This conformity is the result of tests conducted by ABB inaccordance with the product standards EN 50263 and EN 60255-26 for the EMCdirective, and with the product standards EN 60255-1 and EN 60255-27 for the lowvoltage directive. The IED is designed in accordance with the internationalstandards of the IEC 60255 series.

  • Table of contents

    Section 1 Introduction.....................................................................19This manual......................................................................................19Intended audience............................................................................19Product documentation.....................................................................20

    Product documentation set..........................................................20Document revision history...........................................................21Related documents......................................................................21

    Symbols and conventions.................................................................22Safety indication symbols............................................................22Manual conventions.....................................................................23

    Section 2 Application......................................................................25REL650 application..........................................................................25Available functions............................................................................29

    Main protection functions.............................................................29Back-up protection functions.......................................................29Control and monitoring functions.................................................30Designed to communicate...........................................................33Basic IED functions.....................................................................33

    REL650 application examples..........................................................34Adaptation to different applications.............................................34Two-ended over-head transmission line in a solidly earthednetwork........................................................................................35Two-ended cable transmission line in a solidly earthednetwork........................................................................................35Double circuit over-head transmission line in a solidlyearthed network...........................................................................36Two-ended over-head line with transformer in a solidlyearthed network...........................................................................36Two-ended over-head transmission line in a high-impedance earthed network........................................................37Functionality table........................................................................37

    Section 3 REL650 setting examples..............................................41Setting example for a two-ended overhead transmission line ina solidly earthed network..................................................................41

    Calculating general settings for analogue TRM inputs 4I 1I5U................................................................................................42Calculating settings for Global base values for settingfunction GBSVAL.........................................................................43

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  • Calculating settings for five zone distance protection,quadrilateral characteristic ZQDPDIS .........................................44

    Calculating general settings...................................................45Calculating settings for zone 1...............................................46Calculating settings for zone 2...............................................49Calculating settings for zone 3...............................................50Calculating settings for zone 4...............................................52

    Calculating settings for phase selection with loadencroachment FDPSPDIS...........................................................52Distance protection setting ZMOPDIS.........................................54

    Calculating general settings...................................................56Calculating settings for zone 1 ..............................................56Calculating settings for zone 2...............................................57Calculating settings for zone 3...............................................59Calculating settings for zone 4...............................................60

    Faulty phase identification with load encroachment for mhoFMPSPDIS..................................................................................61Calculating settings for scheme communication logic fordistance or overcurrent protection ZCPSCH...............................61

    Principles for over-reach permissive communicationlogic........................................................................................62Principles for under-reach permissive communicationlogic........................................................................................63Principle for blocking scheme.................................................64

    Calculating setting for current reversal and weak end infeedlogic for distance protection ZCRWPSCH...................................65Calculating setting for switch into fault logic voltage andcurrent based ZCVPSOF.............................................................67Calculating settings for four step phase overcurrentprotection OC4PTOC..................................................................68

    Calculating general settings...................................................69Calculating settings for step 1................................................69Calculating settings for step 2................................................70Calculating settings for step 3................................................71

    Calculating settings for four step residual overcurrentprotection EF4PTOC ..................................................................72

    Calculating general settings...................................................73Calculating settings for step 1................................................74Calculating settings for step 2................................................74Calculating settings for step 4................................................76

    Calculating settings for scheme communication for residualovercurrent protection ECPSCH .................................................76

    Over-reach permissive logic ..................................................77Under-reach permissive logic ................................................78Blocking scheme....................................................................78

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  • Calculating settings for current reversal and weak-endinfeed logic for residual overcurrent protectionECRWPSCH ...............................................................................80Calculating settings for breaker failure protectionCCRBRF .....................................................................................82

    Setting example for a two-ended over-head transmission linein a high impedance network............................................................83

    Calculating settings for phase preference logic PPLPHIZ...........83Calculating settings for sensitive directional residualovercurrent protection SDEPSDE ..............................................85

    Section 4 Analog inputs..................................................................89Introduction.......................................................................................89Setting guidelines.............................................................................89

    Setting of the phase reference channel.......................................89Example.................................................................................89Setting of current channels.....................................................89Example 1..............................................................................90Example 2..............................................................................91Examples how to connect, configure and set CT inputsfor most commonly used CT connections..............................92Example how to connect star connected three-phaseCT set to the IED....................................................................93Example how to connect single-phase CT to the IED............95Setting of voltage channels....................................................97Example.................................................................................97Examples how to connect, configure and set VT inputsfor most commonly used VT connections..............................98Examples how to connect three phase-to-earthconnected VTs to the IED......................................................99

    Section 5 Local human-machine interface...................................101Local HMI.......................................................................................101

    Display.......................................................................................102LEDs..........................................................................................103Keypad......................................................................................104Local HMI functionality..............................................................106

    Protection and alarm indication............................................106Parameter management ......................................................108Front communication............................................................109Single-line diagram...............................................................109

    Section 6 Impedance protection...................................................111Five zone distance protection, quadrilateral characteristicZQDPDIS........................................................................................111

    Identification..............................................................................111

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  • Application.................................................................................111System earthing...................................................................111Fault infeed from remote end...............................................115Load encroachment..............................................................116Short line application............................................................117Long transmission line application.......................................118Parallel line application with mutual coupling.......................118Tapped line application........................................................122

    Setting guidelines......................................................................125General.................................................................................125Setting of zone 1..................................................................125Setting of overreaching zone................................................126Setting of reverse zone........................................................127Setting of zones for parallel line application.........................127Setting of reach in resistive direction....................................128Load impedance limitation, without load encroachmentfunction.................................................................................128Load impedance limitation, with Phase selection withload encroachment, quadrilateral characteristic functionactivated ..............................................................................130Setting of minimum operating currents.................................130Setting of timers for distance protection zones....................130

    Phase selection with load enchroachment, quadrilateralcharacteristic FDPSPDIS...............................................................131

    Identification..............................................................................131Application.................................................................................131Setting guidelines......................................................................131

    Load encroachment characteristics......................................131Resistive reach with load encroachment characteristic........137Minimum operate currents....................................................138

    Five zone distance protection, mho characteristic ZMOPDIS.......138Identification..............................................................................138Application.................................................................................138

    System earthing...................................................................139Fault infeed from remote end...............................................142Load encroachment..............................................................143Short line application............................................................144Long transmission line application.......................................145Parallel line application with mutual coupling.......................146Tapped line application........................................................148

    Setting guidelines......................................................................150General.................................................................................150Setting of zone 1..................................................................151Setting of overreaching zone................................................151

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  • Setting of reverse zone........................................................152Setting of zones for parallel line application.........................153Load impedance limitation, without load encroachmentfunction.................................................................................153Load impedance limitation, with load encroachmentfunction activated.................................................................154Setting of minimum operating currents.................................154Setting of directional mode...................................................155Setting of direction for offset mho.........................................155Setting of timers for distance protection zones....................155

    Faulty phase identification with load enchroachment for mhoFMPSPDIS.....................................................................................155

    Identification..............................................................................155Application.................................................................................156Setting guidelines......................................................................156

    Load encroachment..............................................................157Phase preference logic PPLPHIZ...................................................158

    Identification..............................................................................158Application.................................................................................158Setting guidelines......................................................................162

    Power swing detection ZMRPSB....................................................163Identification..............................................................................163Application.................................................................................163

    General.................................................................................163Basic characteristics.............................................................164

    Setting guidelines......................................................................164Automatic switch onto fault logic, voltage and current basedZCVPSOF.......................................................................................172

    Identification..............................................................................172Application.................................................................................172Setting guidelines......................................................................172

    Section 7 Current protection.........................................................175Instantaneous phase overcurrent protection PHPIOC...................175

    Identification..............................................................................175Application.................................................................................175Setting guidelines......................................................................176

    Meshed network without parallel line...................................176Meshed network with parallel line........................................178

    Instantaneous phase overcurrent protection SPTPIOC.................180Identification..............................................................................180Application.................................................................................180Setting guidelines......................................................................180

    Meshed network without parallel line...................................181

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  • Meshed network with parallel line........................................183Four step phase overcurrent protection OC4PTOC.......................184

    Identification..............................................................................184Application.................................................................................184Setting guidelines......................................................................185

    Settings for steps 1 to 4 .......................................................186Current applications.............................................................188

    Four step phase overcurrent protection OC4SPTOC ....................193Identification..............................................................................193Application.................................................................................193Setting guidelines......................................................................194

    Settings for steps 1 to 4........................................................195Current application...............................................................197Example...............................................................................200

    Instantaneous residual overcurrent protection EFPIOC.................202Identification..............................................................................202Application.................................................................................202Setting guidelines......................................................................202

    Four step residual overcurrent protection EF4PTOC.....................205Identification..............................................................................205Application.................................................................................205Setting guidelines......................................................................206

    Settings for steps 1 and 4 ....................................................207Common settings for all steps..............................................2082nd harmonic restrain...........................................................210Line application example......................................................210

    Sensitive directional residual overcurrent and power protectionSDEPSDE......................................................................................216

    Identification..............................................................................216Application.................................................................................216Setting guidelines......................................................................217

    Time delayed 2-step undercurrent protection UC2PTUC...............224Identification..............................................................................224Application.................................................................................224Setting guidelines......................................................................226

    Thermal overload protection, one time constant LPTTR................227Identification..............................................................................227Application.................................................................................227Setting guidelines......................................................................228

    Breaker failure protection CCRBRF...............................................229Identification..............................................................................229Application.................................................................................229Setting guidelines......................................................................229

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  • Breaker failure protection CSPRBRF.............................................232Identification..............................................................................232Application.................................................................................232Setting guidelines......................................................................233

    Stub protection STBPTOC.............................................................236Identification..............................................................................236Application.................................................................................236Setting guidelines......................................................................236

    Pole discordance protection CCRPLD ..........................................237Identification..............................................................................237Application.................................................................................237Setting guidelines......................................................................238

    Broken conductor check BRCPTOC..............................................238Identification..............................................................................238Application.................................................................................239Setting guidelines......................................................................239

    Directional over-/under-power protection GOPPDOP/GUPPDUP......................................................................................239

    Application.................................................................................239Directional over-power protection GOPPDOP...........................241

    Identification.........................................................................241Setting guidelines.................................................................242

    Directional under-power protection GUPPDUP.........................245Identification.........................................................................245Setting guidelines.................................................................245

    Negative sequence based overcurrent function DNSPTOC...........248Identification..............................................................................248Application.................................................................................248Setting guidelines......................................................................249

    Section 8 Voltage protection........................................................251Two step undervoltage protection UV2PTUV ................................251

    Identification..............................................................................251Application.................................................................................251Setting guidelines......................................................................252

    Equipment protection, such as for motors andgenerators............................................................................252Disconnected equipment detection......................................252Power supply quality ...........................................................252Voltage instability mitigation.................................................252Backup protection for power system faults...........................253Settings for Two step undervoltage protection.....................253

    Two step overvoltage protection OV2PTOV ..................................254Identification..............................................................................254

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  • Application.................................................................................254Setting guidelines......................................................................255

    Two step residual overvoltage protection ROV2PTOV..................257Identification..............................................................................257Application.................................................................................257Setting guidelines......................................................................258

    Power supply quality............................................................258High impedance earthed systems........................................258Direct earthed system..........................................................259Settings for Two step residual overvoltage protection..........260

    Loss of voltage check LOVPTUV...................................................261Identification..............................................................................261Application.................................................................................262Setting guidelines......................................................................262Advanced users settings...........................................................262

    Section 9 Frequency protection....................................................263Under frequency protection SAPTUF.............................................263

    Identification..............................................................................263Application.................................................................................263Setting guidelines......................................................................263

    Over frequency protection SAPTOF...............................................264Identification..............................................................................264Application.................................................................................265Setting guidelines......................................................................265

    Rate-of-change frequency protection SAPFRC..............................266Identification..............................................................................266Application.................................................................................266Setting guidelines......................................................................266

    Section 10 Secondary system supervision.....................................269Current circuit supervison CCSRDIF..............................................269

    Identification..............................................................................269Application.................................................................................269Setting guidelines......................................................................269

    Fuse failure supervision SDDRFUF...............................................270Identification..............................................................................270Application.................................................................................270Setting guidelines......................................................................271

    General.................................................................................271Setting of common parameters............................................271Negative sequence based....................................................272Zero sequence based...........................................................273Delta U and delta I ...............................................................273

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  • Dead line detection...............................................................274Breaker close/trip circuit monitoring TCSSCBR.............................274

    Identification..............................................................................274Application.................................................................................275

    Section 11 Control..........................................................................279Synchrocheck, energizing check, and synchronizingSESRSYN......................................................................................279

    Identification..............................................................................279Application.................................................................................279

    Synchronizing.......................................................................279Synchrocheck.......................................................................280Energizing check..................................................................282Voltage selection..................................................................283External fuse failure..............................................................284

    Application examples.................................................................284Single circuit breaker with single busbar..............................285Single circuit breaker with double busbar, externalvoltage selection...................................................................286Single circuit breaker with double busbar, internalvoltage selection...................................................................287

    Setting guidelines......................................................................287Autorecloser SMBRREC................................................................291

    Identification .............................................................................291Application.................................................................................291

    Auto-reclosing operation Off and On....................................294Start auto-reclosing and conditions for start of areclosing cycle......................................................................294Start auto-reclosing from CB open information....................294Blocking of the autorecloser.................................................294Control of the auto-reclosing open time ..............................295Long trip signal.....................................................................295Maximum number of reclosing shots....................................2953-phase reclosing, one to five shots according to settingNoOfShots............................................................................295Reclosing reclaim timer........................................................296Transient fault.......................................................................296Permanent fault and reclosing unsuccessful signal.............296Lock-out initiation.................................................................296Automatic continuation of the reclosing sequence ..............298Thermal overload protection holding the auto-reclosingfunction back .......................................................................298

    Setting guidelines......................................................................298Configuration........................................................................298

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  • Auto-recloser parameter settings.........................................301Autorecloser STBRREC ................................................................304

    Identification..............................................................................304Application.................................................................................304

    Auto-reclosing operation Off and On....................................308Start auto-reclosing and conditions for start of areclosing cycle......................................................................308Start auto-reclosing from CB open information....................308Blocking of the autorecloser.................................................309Control of the auto-reclosing open time for shot 1...............309Long trip signal.....................................................................309Reclosing programs.............................................................309FirstShot=3ph (normal setting for a single 3 phaseshot).....................................................................................3103-phase reclosing, one to five shots according to settingNoOfShots............................................................................310FirstShot=1ph 1-phase reclosing in the first shot.................310FirstShot=1ph + 1*3ph 1-phase or 3-phase reclosing inthe first shot..........................................................................311FirstShot=1ph + 1*2/3ph 1-phase, 2-phase or 3-phasereclosing in the first shot.......................................................311Evolving fault........................................................................311Reclosing reclaim timer........................................................312Transient fault.......................................................................312Permanent fault and reclosing unsuccessful signal.............312Lock-out initiation.................................................................312Automatic continuation of the reclosing sequence...............314Thermal overload protection holding the auto-reclosingfunction back........................................................................314

    Setting guidelines......................................................................314Configuration........................................................................314Recommendations for input signals.....................................315STBRREC- Auto-recloser parameter settings......................318

    Apparatus control ..........................................................................321Identification..............................................................................321Application.................................................................................321Interaction between modules.....................................................324Setting guidelines......................................................................325

    Bay control (QCBAY)...........................................................326Logic rotating switch for function selection and LHMIpresentation SLGGIO.....................................................................326

    Identification..............................................................................326Application.................................................................................326Setting guidelines......................................................................326

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  • Selector mini switch VSGGIO.........................................................327Identification..............................................................................327Application.................................................................................327Setting guidelines......................................................................328

    IEC61850 generic communication I/O functions DPGGIO.............328Identification..............................................................................328Application.................................................................................328Setting guidelines......................................................................328

    Single point generic control 8 signals SPC8GGIO.........................329Identification..............................................................................329Application.................................................................................329Setting guidelines......................................................................329

    Automation bits AUTOBITS............................................................330Identification..............................................................................330Application.................................................................................330Setting guidelines......................................................................330

    Section 12 Scheme communication...............................................331Scheme communication logic for distance or overcurrentprotection ZCPSCH.......................................................................331

    Identification..............................................................................331Application.................................................................................331

    Blocking schemes................................................................332Permissive schemes............................................................333Intertrip scheme....................................................................335

    Setting guidelines......................................................................336Blocking scheme..................................................................336Permissive underreaching scheme......................................336Permissive overreaching scheme........................................336Unblocking scheme..............................................................337Intertrip scheme....................................................................337

    Current reversal and weak-end infeed logicfor distance protection ZCRWPSCH..............................................337

    Identification..............................................................................337Application.................................................................................337

    Current reversal logic...........................................................337Weak-end infeed logic..........................................................338

    Setting guidelines......................................................................339Current reversal logic...........................................................339Weak-end infeed logic..........................................................340

    Current reversal and weak-end infeed logic for distanceprotection ZCWSPSCH .................................................................340

    Identification..............................................................................340Application.................................................................................340

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  • Current reversal logic...........................................................340Weak-end infeed logic..........................................................341

    Setting guidelines......................................................................342Current reverse logic............................................................342Weak-end infeed logic..........................................................343

    Local acceleration logic ZCLCPLAL...............................................343Identification..............................................................................343Application.................................................................................343Setting guidelines......................................................................343

    Scheme communication logicfor residual overcurrent protection ECPSCH..................................345

    Identification..............................................................................345Application.................................................................................345Setting guidelines......................................................................346

    Current reversal and weak-end infeed logicfor residual overcurrent protection ECRWPSCH............................346

    Identification..............................................................................346Application.................................................................................346

    Fault current reversal logic...................................................346Weak-end infeed logic..........................................................347

    Setting guidelines......................................................................348Current reversal....................................................................348Weak-end infeed..................................................................349

    Section 13 Logic.............................................................................351Tripping logic SMPPTRC................................................................351

    Identification..............................................................................351Application.................................................................................351

    Three-phase tripping ...........................................................351Lock-out................................................................................352Blocking of the function block...............................................352

    Setting guidelines......................................................................352Tripping logic SPTPTRC ...............................................................353

    Identification..............................................................................353Application.................................................................................353

    Single- and/or three-phase tripping......................................354Lock out................................................................................355Blocking of the function block...............................................355

    Setting guidelines......................................................................355Trip matrix logic TMAGGIO............................................................356

    Identification..............................................................................356Application.................................................................................356Setting guidelines......................................................................356

    Configurable logic blocks................................................................357

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  • Identification..............................................................................357Application.................................................................................358

    Configuration........................................................................358Fixed signals FXDSIGN..................................................................359

    Identification..............................................................................359Application.................................................................................359

    Boolean 16 to integer conversion B16I...........................................360Identification..............................................................................360Application.................................................................................361Setting guidelines......................................................................361

    Boolean 16 to integer conversion with logic noderepresentation B16IFCVI................................................................361

    Identification..............................................................................361Application.................................................................................361Setting guidelines......................................................................361

    Integer to boolean 16 conversion IB16A........................................362Identification..............................................................................362Application.................................................................................362Setting guidelines......................................................................362

    Integer to boolean 16 conversion with logic noderepresentation IB16FCVB...............................................................362

    Identification..............................................................................362Application.................................................................................362Settings......................................................................................363

    Section 14 Monitoring.....................................................................365IEC61850 generic communication I/O functions SPGGIO.............365

    Identification..............................................................................365Application.................................................................................365Setting guidelines......................................................................365

    IEC61850 generic communication I/O functions 16 inputsSP16GGIO.....................................................................................365

    Identification..............................................................................365Application.................................................................................365Setting guidelines......................................................................366

    IEC61850 generic communication I/O functions MVGGIO.............366Identification..............................................................................366Application.................................................................................366Setting guidelines......................................................................366

    Measurements................................................................................367Identification..............................................................................367Application.................................................................................367Setting guidelines......................................................................369Setting examples.......................................................................372

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  • Measurement function application for a 400 kV OHL...........372Event counter CNTGGIO................................................................374

    Identification..............................................................................374Application.................................................................................374Setting guidelines......................................................................375

    Disturbance report .........................................................................375Identification..............................................................................375Application.................................................................................375Setting guidelines......................................................................376

    Binary input signals..............................................................379Analog input signals.............................................................379Sub-function parameters......................................................380Consideration.......................................................................380

    Measured value expander block MVEXP.......................................381Identification..............................................................................381Application.................................................................................381Setting guidelines......................................................................382

    Fault locator LMBRFLO..................................................................382Identification..............................................................................382Application.................................................................................382Setting guidelines......................................................................383

    Connection of analog currents.............................................384Station battery supervision SPVNZBAT.........................................384

    Identification..............................................................................384Application.................................................................................385

    Insulation gas monitoring function SSIMG.....................................385Identification..............................................................................385Application.................................................................................385

    Insulation liquid monitoring function SSIML....................................386Identification..............................................................................386Application.................................................................................386

    Circuit breaker condition monitoring SSCBR..................................386Identification..............................................................................386Application.................................................................................386

    Section 15 Metering.......................................................................391Pulse counter PCGGIO..................................................................391

    Identification..............................................................................391Application.................................................................................391Setting guidelines......................................................................391

    Energy calculation and demand handling EPTMMTR....................392Identification..............................................................................392Application.................................................................................392Setting guidelines......................................................................393

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  • Section 16 Station communication.................................................395IEC61850-8-1 communication protocol .........................................395

    Identification..............................................................................395Application.................................................................................395

    Horizontal communication via GOOSE................................397Setting guidelines......................................................................399

    DNP3 protocol................................................................................399IEC 60870-5-103 communication protocol.....................................400

    Section 17 Basic IED functions......................................................401Self supervision with internal event list ..........................................401

    Identification..............................................................................401Application.................................................................................401

    Time synchronization......................................................................402Identification..............................................................................402Application.................................................................................402Setting guidelines......................................................................403

    Parameter setting group handling..................................................405Identification..............................................................................405Application.................................................................................405Setting guidelines......................................................................405

    Test mode functionality TESTMODE..............................................406Identification..............................................................................406Application.................................................................................406Setting guidelines......................................................................406

    Change lock CHNGLCK.................................................................406Identification..............................................................................406Application.................................................................................406Setting guidelines......................................................................407

    IED identifiers TERMINALID..........................................................408Identification..............................................................................408Application.................................................................................408

    Customer specific settings...................................................408Product information PRODINF.......................................................408

    Identification..............................................................................408Application.................................................................................408

    Factory defined settings.......................................................408Primary system values PRIMVAL...................................................409

    Identification..............................................................................409Application.................................................................................409

    Signal matrix for analog inputs SMAI.............................................409Identification..............................................................................409Application.................................................................................409

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  • Setting guidelines......................................................................410Summation block 3 phase 3PHSUM..............................................412

    Identification..............................................................................412Application.................................................................................412Setting guidelines......................................................................413

    Global base values GBASVAL.......................................................413Identification..............................................................................413Application.................................................................................413Setting guidelines......................................................................413

    Authority check ATHCHCK.............................................................414Identification..............................................................................414Application.................................................................................414

    Authorization handling in the IED.........................................414Authority status ATHSTAT.............................................................415

    Identification..............................................................................415Application.................................................................................415

    Denial of service.............................................................................416Identification..............................................................................416Application.................................................................................416Setting guidelines......................................................................416

    Section 18 Requirements...............................................................417Current transformer requirements..................................................417

    Current transformer classification..............................................417Conditions..................................................................................418Fault current..............................................................................419Secondary wire resistance and additional load.........................419General current transformer requirements................................419Rated equivalent secondary e.m.f. requirements......................420

    Distance protection...............................................................420Breaker failure protection.....................................................421Non-directional instantaneous and definitive time, phaseand residual overcurrent protection......................................422Non-directional inverse time delayed phase and residualovercurrent protection..........................................................422Directional phase and residual overcurrent protection.........423

    Current transformer requirements for CTs according toother standards..........................................................................424

    Current transformers according to IEC 60044-1,class P, PR...........................................................................424Current transformers according to IEC 60044-1, classPX, IEC 60044-6, class TPS(and old British Standard, class X).......................................424Current transformers according to ANSI/IEEE.....................424

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  • Voltage transformer requirements..................................................425SNTP server requirements.............................................................426

    SNTP server requirements........................................................426Section 19 Glossary.......................................................................427

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  • 18

  • Section 1 Introduction

    1.1 This manualThe application manual contains application descriptions and setting guidelinessorted per function. The manual can be used to find out when and for what purposea typical protection function can be used. The manual can also be used whencalculating settings.

    1.2 Intended audienceThis manual addresses the protection and control engineer responsible forplanning, pre-engineering and engineering.The protection and control engineer must be experienced in electrical powerengineering and have knowledge of related technology, such as communicationand protocols.

    1MRK 506 325-UEN - Section 1Introduction

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  • 1.3 Product documentation1.3.1 Product documentation set

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    Installation manualInstallation manual

    Service manualService manual

    Engineering manualEngineering manual

    Commissioning manualCommissioning manual

    Communication protocolmanualCommunication protocolmanual

    Technical manualTechnical manual

    en07000220.vsdIEC07000220 V1 EN

    Figure 1: The intended use of manuals in different lifecyclesThe engineering manual contains instructions on how to engineer the IEDs usingthe different tools in PCM600. The manual provides instructions on how to set up aPCM600 project and insert IEDs to the project structure. The manual alsorecommends a sequence for engineering of protection and control functions, LHMIfunctions as well as communication engineering for IEC 60870-5-103, IEC 61850and DNP3.The installation manual contains instructions on how to install the IED. Themanual provides procedures for mechanical and electrical installation. The chaptersare organized in chronological order in which the IED should be installed.The commissioning manual contains instructions on how to commission the IED.The manual can also be used by system engineers and maintenance personnel forassistance during the testing phase. The manual provides procedures for checkingof external circuitry and energizing the IED, parameter setting and configuration as

    Section 1 1MRK 506 325-UEN -Introduction

    20Application Manual

  • well as verifying settings by secondary injection. The manual describes the processof testing an IED in a substation which is not in service. The chapters are organizedin chronological order in which the IED should be commissioned.The operation manual contains instructions on how to operate the IED once it hasbeen commissioned. The manual provides instructions for monitoring, controllingand setting the IED. The manual also describes how to identify disturbances andhow to view calculated and measured power grid data to determine the cause of afault.The service manual contains instructions on how to service and maintain the IED.The manual also provides procedures for de-energizing, de-commissioning anddisposal of the IED.The application manual contains application descriptions and setting guidelinessorted per function. The manual can be used to find out when and for what purposea typical protection function can be used. The manual can also be used whencalculating settings.The technical manual contains application and functionality descriptions and listsfunction blocks, logic diagrams, input and output signals, setting parameters andtechnical data sorted per function. The manual can be used as a technical referenceduring the engineering phase, installation and commissioning phase, and duringnormal service.The communication protocol manual describes a communication protocolsupported by the IED. The manual concentrates on vendor-specific implementations.The point list manual describes the outlook and properties of the data pointsspecific to the IED. The manual should be used in conjunction with thecorresponding communication protocol manual.

    The service manual is not available yet.

    1.3.2 Document revision historyDocument revision/date Product series version History-/February 2011 1.1 First release

    1.3.3 Related documentsDocuments related to REL650 Identity numberApplication manual 1MRK 506 325-UENTechnical manual 1MRK 506 326-UENCommissioning manual 1MRK 506 327-UEN

    Table continues on next page

    1MRK 506 325-UEN - Section 1Introduction

    21Application Manual

  • Documents related to REL650 Identity numberProduct Guide, configured 1MRK 506 328-BENType test certificate 1MRK 506 328-TEN

    650 series manuals Identity numberCommunication protocol manual, DNP3 1MRK 511 241-UENCommunication protocol manual, IEC 61850 1MRK 511 242-UENCommunication protocol manual, IEC 60870-5-103 1MRK 511 243-UENPoint list manual, DNP3 1MRK 511 244-UENEngineering manual 1MRK 511 245-UENOperation manual 1MRK 500 093-UENInstallation manual 1MRK 514 014-UEN

    1.4 Symbols and conventions1.4.1 Safety indication symbols

    The electrical warning icon indicates the presence of a hazardwhich could result in electrical shock.

    The warning icon indicates the presence of a hazard which couldresult in personal injury.

    The caution icon indicates important information or warning relatedto the concept discussed in the text. It might indicate the presenceof a hazard which could result in corruption of software or damageto equipment or property.

    The information icon alerts the reader of important facts andconditions.

    The tip icon indicates advice on, for example, how to design yourproject or how to use a certain function.

    Although warning hazards are related to personal injury, it is necessary tounderstand that under certain operational conditions, operation of damaged

    Section 1 1MRK 506 325-UEN -Introduction

    22Application Manual

  • equipment may result in degraded process performance leading to personal injuryor death. Therefore, comply fully with all warning and caution notices.

    1.4.2 Manual conventionsConventions used in IED manuals. A particular convention may not be used in thismanual. Abbreviations and acronyms in this manual are spelled out in the glossary. The

    glossary also contains definitions of important terms. Push button navigation in the LHMI menu structure is presented by using the

    push button icons, for example:To navigate between the options, use and .

    HMI menu paths are presented in bold, for example:Select Main menu/Settings.

    LHMI messages are shown in Courier font, for example:To save the changes in non-volatile memory, select Yes and press .

    Parameter names are shown in italics, for example:The function can be enabled and disabled with the Operation setting.

    The ^ character in front of an input or output signal name in the function blocksymbol given for a function, indicates that the user can set an own signal namein PCM600.

    The * character after an input or output signal name in the function blocksymbol given for a function, indicates that the signal must be connected toanother function block in the application configuration to achieve a validapplication configuration.

    1MRK 506 325-UEN - Section 1Introduction

    23Application Manual

  • 24

  • Section 2 Application

    2.1 REL650 applicationREL650 is used for the protection, control and monitoring of overhead lines andcables in solidly or impedance earthed networks. The IED can be used up to thehigh voltage levels. It is suitable for the protection of heavily loaded lines and multi-terminal lines where the requirement for fast three-phase tripping is wanted.The full scheme distance protection provides protection of power lines with highsensitivity and low requirement on remote end communication. The five zoneshave fully independent measuring and setting which gives high flexibility for alltypes of lines.The modern technical solution offers fast operating time of typically 1.5 cycles.The autoreclose includes priority features for single-breaker arrangements. It co-operates with the synchrocheck function with high-speed or delayed reclosing.High set instantaneous phase and earth overcurrent, four step directional or non-directional delayed phase and earth overcurrent, sensitive earth fault for not directearthed systems, thermal overload and two step under and overvoltage protectionare examples of the available functions allowing the user to fulfill any applicationrequirement.The distance and earth fault protection can communicate with remote end in anyteleprotection communication scheme.The advanced logic capability, where the user logic is prepared with a graphicaltool, allows special applications.Disturbance recording and fault locator are available to allow independent post-fault analysis after primary disturbances.Three packages has been defined for following applications: Five zone distance protection with quadrilateral characteristic (A01) Five zone distance protection with mho characteristic (A05) Five zone distance protection with quadrilateral characteristic, single pole

    tripping (A11)

    The packages are configured and ready for direct use. Analogue and tripping IOhas been pre-defined for basic use.

    1MRK 506 325-UEN - Section 2Application

    25Application Manual

  • Add binary I/O as required for the application when ordering. Other signals need tobe applied as required for each application.The graphical configuration tool ensures simple and fast testing and commissioning.

    REL650 A01 Quad Distance Zones, Single Breaker 10AI (4I+1I+5U)

    SMB RREC79 0->1

    SMP PTRC94 1->0

    TCS SCBRCond

    SPVN ZBATCond

    Other configured functions

    OV2 PTOV59 U>

    PH PIOC50 3I>>

    CC RBRF50BF 3I> BF

    V MMXUMeter.

    QA1

    QB1 QB2

    QB9

    QC9

    QC2

    QC1

    WA1

    WA2

    V MSQIMeter.

    DRP RDRE Mont.

    EF PIOC50N IN>>

    CC RPLD52PD PD

    S SCBRCond

    L PTTR26 q>

    EF4 PTOC51N/67N IN>

    OC4 PTOC51/67 3I>

    BRC PTOC46 Iub

    SDEPSDE67N IN

    STB PTOC50STB I>

    GOP PDOP32 P>

    GUP PDUP37 P>

    CC RBRF50BF 3I> BF

    V MMXUMeter.

    QA1

    QB1 QB2

    QB9

    QC9

    QC2

    QC1

    WA1

    WA2

    V MSQIMeter.

    DRP RDRE Mont.

    EF PIOC50N IN>>

    CC RPLD52PD PD

    S SCBRCond

    L PTTR26 q>

    EF4 PTOC51N/67N IN>

    OC4 PTOC51/67 3I>

    BRC PTOC46 Iub

    SDEPSDE67N IN

    STB PTOC50STB I>

    GOP PDOP32 P>

    GUP PDUP37 P

    EF4 PTOC51N/67N IN>

    BRC PTOC46 Iub

    SDE PSDE37 2I

    GOP PDOP32 P>

    GUP PDUP37 P0

    STB RREC79 0->1

    CSP RBRF50BF 3I> BF

    VN MMXUMeter.

    DNPANSI IEC

    Function Disabled in Settings

    IEC60870-5-103ANSI IEC

    IEC10000342 V1 EN

    Figure 4: A typical protection application for quadrilateral characteristicdistance zones in a single breaker arrangement, single pole tripping

    Section 2 1MRK 506 325-UEN -Application

    28Application Manual

  • 2.2 Available functions2.2.1 Main protection functionsIEC 61850/Function blockname

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, q

    uad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    Impedance protection ZQDPDIS 21 Five zone distance protection, quadrilateral characteristic 1 1FDPSPDIS 21 Phase selection with load enchroachment, quadrilateral

    characteristic1 1

    ZMOPDIS 21 Five zone distance protection, mho characteristic 1 FMPSPDIS 21 Faulty phase identification with load enchroachment for mho 1 ZDNRDIR 21 Directional impedance quadrilateral and mho 1 1 1PPLPHIZ Phase preference logic 1 1 1ZMRPSB 68 Power swing detection 1 1 1ZCVPSOF Automatic switch onto fault logic, voltage and current based 1 1 1

    2.2.2 Back-up protection functionsIEC 61850/Function blockname

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, qu

    ad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    Current protection PHPIOC 50 Instantaneous phase overcurrent protection 1 1 SPTPIOC 50 Instantaneous phase overcurrent protection 1 OC4PTOC 51/67 Four step directional phase overcurrent protection 1 1 OC4SPTOC 51/67 Four step phase overcurrent protection 1 EFPIOC 50N Instantaneous residual overcurrent protection 1 1 1 EF4PTOC 51N/67N Four step directional residual overcurrent protection 1 1 1 SDEPSDE 67N Sensitive directional residual overcurrent and power protection 1 1 1 UC2PTUC 37 Time delayed 2-step undercurrent protection 1 1 1 LPTTR 26 Thermal overload protection, one time constant 1 1 1 CCRBRF 50BF Breaker failure protection 1 1 CSPRBRF 50BF Breaker failure protection 1

    Table continues on next page

    1MRK 506 325-UEN - Section 2Application

    29Application Manual

  • IEC 61850/Function blockname

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, q

    uad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    STBPTOC 50STB Stub protection 1 1 1 CCRPLD 52PD Pole discordance protection 1 1 1 BRCPTOC 46 Broken conductor check 1 1 1 GUPPDUP 37 Directional underpower protection 1 1 1 GOPPDOP 32 Directional overpower protection 1 1 1 DNSPTOC 46 Negative sequence based overcurrent function 1 1 1 Voltage protection UV2PTUV 27 Two step undervoltage protection 1 1 1 OV2PTOV 59 Two step overvoltage protection 1 1 1 ROV2PTOV 59N Two step residual overvoltage protection 1 1 1 LOVPTUV 27 Loss of voltage check 1 1 1 Frequency protection SAPTUF 81 Underfrequency function 2 2 2 SAPTOF 81 Overfrequency function 2 2 2 SAPFRC 81 Rate-of-change frequency protection 2 2 2

    2.2.3 Control and monitoring functionsIEC 61850/Functionblock name

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, qu

    ad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    Control SESRSYN 25 Synchrocheck, energizing check, and synchronizing 1 1 1 SMBRREC 79 Autorecloser 1 1 STBRREC 79 Autorecloser 1 QCBAY Bay control 1 1 1 LOCREM Handling of LR-switch positions 1 1 1 LOCREMCTRL LHMI control of Permitted Source To Operate (PSTO) 1 1 1 SLGGIO Logic Rotating Switch for function selection and LHMI

    presentation15 15 15

    VSGGIO Selector mini switch extension 20 20 20 DPGGIO IEC 61850 generic communication I/O functions double

    point16 16 16

    Table continues on next page

    Section 2 1MRK 506 325-UEN -Application

    30Application Manual

  • IEC 61850/Functionblock name

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, qu

    ad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    SPC8GGIO Single point generic control 8 signals 5 5 5 AUTOBITS AutomationBits, command function for DNP3.0 3 3 3 I103CMD Function commands for IEC60870-5-103 1 1 1 I103IEDCMD IED commands for IEC60870-5-103 1 1 1 I103USRCMD Function commands user defined for IEC60870-5-103 4 4 4 I103GENCMD Function commands generic for IEC60870-5-103 50 50 50 I103POSCMD IED commands with position and select for IEC60870-5-103 50 50 50 Secondary system supervision CCSRDIF 87 Current circuit supervision 1 1 1 SDDRFUF Fuse failure supervision 1 1 1 TCSSCBR Breaker close/trip circuit monitoring 3 3 3 Logic SMPPTRC 94 Tripping logic 1 1 SPTPTRC 94 Tripping logic 1 TMAGGIO Trip matrix logic 12 12 12 OR Configurable logic blocks, OR gate 283 283 283 INVERTER Configurable logic blocks, Inverter gate 140 140 140 PULSETIMER Configurable logic blocks, Pulse timer 40 40 40 GATE Configurable logic blocks, Controllable gate 40 40 40 XOR Configurable logic blocks, exclusive OR gate 40 40 40 LOOPDELAY Configurable logic blocks, loop delay 40 40 40 TIMERSET Configurable logic blocks, timer function block 40 40 40 AND Configurable logic blocks, AND gate 280 280 280 SRMEMORY Configurable logic blocks, set-reset memory flip-flop gate 40 40 40 RSMEMORY Configurable logic blocks, reset-set memory flip-flop gate 40 40 40 FXDSIGN Fixed signal function block 1 1 1 B16I Boolean 16 to Integer conversion 16 16 16 B16IFCVI Boolean 16 to Integer conversion with logic node

    representation16 16 16

    IB16A Integer to Boolean 16 conversion 16 16 16 IB16FCVB Integer to Boolean 16 conversion with logic node

    representation16 16 16

    Monitoring CVMMXN Measurements 6 6 6 CMMXU Phase current measurement 10 10 10 VMMXU Phase-phase voltage measurement 6 6 6

    Table continues on next page

    1MRK 506 325-UEN - Section 2Application

    31Application Manual

  • IEC 61850/Functionblock name

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, q

    uad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    CMSQI Current sequence component measurement 6 6 6 VMSQI Voltage sequence measurement 6 6 6 VNMMXU Phase-neutral voltage measurement 6 6 6 CNTGGIO Event counter 5 5 5 DRPRDRE Disturbance report 1 1 1 AxRADR Analog input signals 4 4 4 BxRBDR Binary input signals 6 6 6 SPGGIO IEC 61850 generic communication I/O functions 64 64 64 SP16GGIO IEC 61850 generic communication I/O functions 16 inputs 16 16 16 MVGGIO IEC 61850 generic communication I/O functions 16 16 16 MVEXP Measured value expander block 66 66 66 LMBRFLO Fault locator 1 1 1 SPVNZBAT Station battery supervision 1 1 1 SSIMG 63 Insulation gas monitoring function 1 1 1 SSIML 71 Insulation liquid monitoring function 1 1 1 SSCBR Circuit breaker condition monitoring 1 1 1 I103MEAS Measurands for IEC60870-5-103 1 1 1 I103MEASUSR Measurands user defined signals for IEC60870-5-103 3 3 3 I103AR Function status auto-recloser for IEC60870-5-103 1 1 1 I103EF Function status earth-fault for IEC60870-5-103 1 1 1 I103FLTPROT Function status fault protection for IEC60870-5-103 1 1 1 I103IED IED status for IEC60870-5-103 1 1 1 I103SUPERV Supervison status for IEC60870-5-103 1 1 1 I103USRDEF Status for user defined signals for IEC60870-5-103 20 20 20 Metering PCGGIO Pulse counter logic 16 16 16 ETPMMTR Function for energy calculation and demand handling 3 3 3

    Section 2 1MRK 506 325-UEN -Application

    32Application Manual

  • 2.2.4 Designed to communicateIEC 61850/Function blockname

    ANSI Function description Line Distance

    REL6

    50 (A

    01)

    3Ph/1

    CB, q

    uad

    REL6

    50 (A

    05)

    3Ph/1

    CB, m

    ho

    REL6

    50 (A

    11)

    1Ph/1

    CB

    Station communication IEC 61850 communication protocol, LAN1 1 1 1 DNP3.0 for TCP/IP communication protocol, LAN1 1 1 1 IEC61870-5-103 IEC60870-5-103 serial communication via ST 1 1 1 GOOSEINTLKRCV Horizontal communication via GOOSE for interlocking 59 59 59 GOOSEBINRCV GOOSE binary receive 4 4 4 ETHFRNTETHLAN1GATEWAY

    Ethernet configuration of front port, LAN1 port andgateway

    GOOSEDPRCV GOOSE function block to receive a double point value 32 32 32 GOOSEINTRCV GOOSE function block to receive an integer value 32 32 32 GOOSEMVRCV GOOSE function block to receive a mesurand value 16 16 16 GOOSESPRCV GOOSE function block to receive a single point value 64 64 64 Scheme communication ZCPSCH 85 Scheme communication logic for distance or

    overcurrent protection1 1 1

    ZCRWPSCH 85 Current reversal and weak-end infeed logic fordistance protection

    1 1

    ZCWSPSCH 85 Current reversal and weak-end infeed logic fordistance protection

    1

    ZCLCPLAL Local acceleration logic 1 1 1 ECPSCH 85 Scheme communication logic for residual overcurrent

    protection1 1 1

    ECRWPSCH 85 Current reversal and weak-end infeed logic for residualovercurrent protection

    1 1 1

    2.2.5 Basic IED functionsIEC 61850/Functionblock name

    Function description

    Basic functions included in all products INTERRSIG Self supervision with internal event list 1SELFSUPEVLST Self supervision with internal event list 1SNTP Time synchronization 1TIMESYNCHGEN Time synchronization 1DTSBEGIN, DTSEND,TIMEZONE

    Time synchronization, daylight saving 1

    Table continues on next page

    1MRK 506 325-UEN - Section 2Application

    33Application Manual

  • IEC 61850/Functionblock name

    Function description

    IRIG-B Time synchronization 1SETGRPS Setting group handling 1ACTVGRP Parameter setting groups 1TESTMODE Test mode functionality 1CHNGLCK Change lock function 1TERMINALID IED identifiers 1PRODINF Product information 1PRIMVAL Primary system values 1SMAI_20_1-12 Signal matrix for analog inputs 23PHSUM Summation block 3 phase 12GBASVAL Global base values for settings 6ATHSTAT Authority status 1ATHCHCK Authority check 1FTPACCS FTP access with password 1DOSFRNT Denial of service, frame rate control for front port 1DOSLAN1 Denial of service, frame rate control for LAN1 1DOSSCKT Denial of service, socket flow control 1

    2.3 REL650 application examples2.3.1 Adaptation to different applications

    The IED is provided in a variant for a pre-defined configuration to be used withquadrilateral distance protection characteristic.The IED is provided in a variant for a pre-defined configuration to be used withmho distance protection characteristic.The IED can be used in a wide range of applications. This is done by selectingfrom the comprehensive function library in the IED.A selection of common applications are described below. Application 1: Two-ended over-head transmission line in a solidly earthed

    network Application 2: Two-ended cable transmission line in a solidly earthed network Application 3: Double circuit over-head transmission line in a solidly earthed

    network Application 4: Two-ended over-head line with transformer in a solidly earthed

    network Application 5: Two-ended over-head transmission line in a high impedance

    earthed network

    Section 2 1MRK 506 325-UEN -Application

    34Application Manual

  • 2.3.2 Two-ended over-head transmission line in a solidly earthednetwork

    REL650 REL650

    IEC09000401_1_en.vsdIEC09000401 V1 EN

    Figure 5: Two-ended over-head line in a solidly earthed network

    Table 1: Data for the line application exampleParameter ValueSystem voltage 110 220 kVLine length 10 150 kmShort circuit power level infeed at both line ends 500 10 000 MVALine R/X 0.25

    2.3.3 Two-ended cable transmission line in a solidly earthednetwork

    REL650 REL650

    Cable

    IEC09000402_1_en.vsdIEC09000402 V1 EN

    Figure 6: Two-ended cable line in a solidly earthed network

    Table 2: Data for the line application exampleParameter ValueSystem voltage 110 220 kVLine length: 2 10 kmShort circuit power level infeed at both line ends 500 10 000 MVALine R/X 1.0

    1MRK 506 325-UEN - Section 2Application

    35Application Manual

  • 2.3.4 Double circuit over-head transmission line in a solidlyearthed network

    REL650 REL650

    REL650 REL650

    IEC09000440_1_en.vsdIEC09000440 V1 EN

    Figure 7: Double circuit over-head line in a solidly earthed network

    Table 3: Data for the line application exampleParameter ValueSystem voltage 110 220 kVLine length 10 150 kmShort circuit power level infeed at both line ends 500 10 000 MVALine R/X 0.25

    2.3.5 Two-ended over-head line with transformer in a solidlyearthed network

    REL650

    IEC09000404_1_en.vsdIEC09000404 V1 EN

    Figure 8: Two-ended over-head line with transformer in a solidly earthednetwork

    Table 4: Data for the line application exampleParameter ValueSystem voltage 110 220 kVLine length 10 20 kmShort circuit power level infeed from one line end 500 10 000 MVALine R/X 0.25

    Section 2 1MRK 506 325-UEN -Application

    36Application Manual

  • 2.3.6 Two-ended over-head transmission line in a high-impedance earthed network

    REL650 REL650

    IEC09000405_1_en.vsd

    IEC09000405 V1 EN

    Figure 9: Two-ended over-head line in a high-impedance earthed network

    Table 5: Data for the line application exampleParameter ValueSystem voltage 40 110 kVLine length 5 80 kmShort circuit power level infeed at both line ends 200 7 000 MVALine R/X 0.25

    2.3.7 Functionality tableThe proposal for functionality choice for the different application cases are shownin table 6. The recommendations have the following meaning:On: It is recommended to have the function activated in the applicationOff: It is recommended to have the function deactivated in the applicationApplication dependent: The decision to have the function activated or not isdependent on the specific conditions in each case

    Application 1- 5 in table 6 are according to application examplesgiven in previous sections.

    1MRK 506 325-UEN - Section 2Application

    37Application Manual

  • Table 6: Selection of functions in different applicationsFunction Application 1 Application 2 Application 3 Applic