Relion 670 series

Line distance protection REL670Technical reference manual

Document ID: 1MRK 506 312-UENIssued: December 2012

Revision: CProduct version: 1.2

Copyright 2012 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 and 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 the 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 product is designed in accordance with the internationalstandards of the IEC 60255 series.

Table of contents

Section 1 Introduction.....................................................................31Introduction to the technical reference manual.................................31

About the complete set of manuals for an IED............................31About the technical reference manual.........................................32This manual.................................................................................33

Introduction.............................................................................33Principle of operation..............................................................33Input and output signals.........................................................36Function block........................................................................36Setting parameters.................................................................36Technical data........................................................................37

Intended audience.......................................................................37Related documents......................................................................37Revision notes.............................................................................38

Section 2 Analog inputs..................................................................39Introduction.......................................................................................39Operation principle...........................................................................39Function block..................................................................................40Setting parameters...........................................................................41

Section 3 Local HMI.......................................................................47Human machine interface ................................................................47Small size HMI..................................................................................49

Small............................................................................................49Design.........................................................................................49

Medium size graphic HMI.................................................................51Medium........................................................................................51Design.........................................................................................51

Keypad.............................................................................................53LED...................................................................................................54

Introduction..................................................................................54Status indication LEDs................................................................54Indication LEDs...........................................................................54

Local HMI related functions..............................................................55Introduction..................................................................................55General setting parameters.........................................................56Status LEDs.................................................................................56

Design....................................................................................56Function block........................................................................56

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Input and output signals.........................................................56Indication LEDs...........................................................................57

Introduction.............................................................................57Design....................................................................................57Function block........................................................................64Input and output signals.........................................................64Setting parameters.................................................................64

Section 4 Basic IED functions........................................................67Authorization.....................................................................................67

Principle of operation...................................................................67Authorization handling in the IED...........................................68

Self supervision with internal event list.............................................69Introduction..................................................................................69Principle of operation...................................................................69

Internal signals.......................................................................71Run-time model......................................................................73

Function block.............................................................................74Output signals..............................................................................74Setting parameters......................................................................74Technical data.............................................................................75

Time synchronization........................................................................75Introduction..................................................................................75Principle of operation...................................................................75

General concepts...................................................................75Real-time clock (RTC) operation............................................78Synchronization alternatives..................................................79Process bus IEC 61850-9-2LE synchronization.....................82

Function block.............................................................................82Output signals..............................................................................82Setting parameters......................................................................83Technical data.............................................................................86

Parameter setting groups.................................................................86Introduction..................................................................................86Principle of operation...................................................................86Function block.............................................................................87Input and output signals..............................................................88Setting parameters......................................................................88

ChangeLock function CHNGLCK.....................................................88Introduction..................................................................................89Principle of operation...................................................................89Function block.............................................................................89Input and output signals..............................................................89Setting parameters......................................................................90

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Test mode functionality TEST..........................................................90Introduction..................................................................................90Principle of operation...................................................................90Function block.............................................................................92Input and output signals..............................................................92Setting parameters......................................................................93

IED identifiers...................................................................................93Introduction..................................................................................93Setting parameters......................................................................93

Product information..........................................................................94Introduction..................................................................................94Setting parameters......................................................................94Factory defined settings..............................................................94

Signal matrix for binary inputs SMBI................................................95Introduction..................................................................................95Principle of operation...................................................................95Function block.............................................................................95Input and output signals..............................................................96

Signal matrix for binary outputs SMBO ...........................................96Introduction..................................................................................96Principle of operation...................................................................97Function block.............................................................................97Input and output signals..............................................................97

Signal matrix for mA inputs SMMI....................................................98Introduction..................................................................................98Principle of operation...................................................................98Function block.............................................................................98Input and output signals..............................................................98

Signal matrix for analog inputs SMAI...............................................99Introduction..................................................................................99Principle of operation...................................................................99Frequency values........................................................................99Function block...........................................................................101Input and output signals............................................................101Setting parameters....................................................................102

Summation block 3 phase 3PHSUM..............................................104Introduction................................................................................104Principle of operation.................................................................104Function block...........................................................................105Input and output signals............................................................105Setting parameters....................................................................105

Authority status ATHSTAT.............................................................106Introduction................................................................................106

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Principle of operation.................................................................106Function block...........................................................................106Output signals............................................................................106Setting parameters....................................................................107

Denial of service DOS....................................................................107Introduction................................................................................107Principle of operation.................................................................107Function blocks..........................................................................107Signals.......................................................................................108Settings......................................................................................108

Section 5 Differential protection...................................................1091Ph High impedance differential protection HZPDIF .....................109

Identification..............................................................................109Introduction................................................................................109Principle of operation.................................................................109

Logic diagram.......................................................................110Function block...........................................................................110Input and output signals............................................................110Setting parameters....................................................................111Technical data...........................................................................111

Section 6 Impedance protection ..................................................113Distance measuring zones, quadrilateral characteristicZMQPDIS, ZMQAPDIS, ZDRDIR...................................................113

Identification..............................................................................113Introduction................................................................................113Principle of operation.................................................................114

Full scheme measurement...................................................114Impedance characteristic.....................................................115Minimum operating current...................................................119Measuring principles............................................................119Directional impedance element for quadrilateralcharacteristics......................................................................122Simplified logic diagrams......................................................124

Function block...........................................................................127Input and output signals............................................................128Setting parameters....................................................................129Technical data...........................................................................132

Distance measuring zone, quadrilateral characteristic forseries compensated lines ZMCPDIS, ZMCAPDIS, ZDSRDIR.......132

Introduction................................................................................133Principle of operation.................................................................134

Full scheme measurement...................................................134

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Impedance characteristic.....................................................135Minimum operating current...................................................138Measuring principles............................................................138Directionality for series compensation..................................141Simplified logic diagrams......................................................143

Function block...........................................................................146Input and output signals............................................................147Setting parameters....................................................................149Technical data...........................................................................152

Phase selection, quadrilateral characteristic with fixed angleFDPSPDIS......................................................................................152

Identification..............................................................................152Introduction................................................................................153Principle of operation.................................................................153

Phase-to-earth fault..............................................................155Phase-to-phase fault............................................................157Three-phase faults...............................................................159Load encroachment..............................................................159Minimum operate currents....................................................164Simplified logic diagrams......................................................164

Function block...........................................................................169Input and output signals............................................................170Setting parameters....................................................................171Technical data...........................................................................172

Full-scheme distance measuring, Mho characteristicZMHPDIS ......................................................................................172

Introduction................................................................................172Principle of operation.................................................................173

Full scheme measurement...................................................173Impedance characteristic.....................................................174Basic operation characteristics.............................................175Theory of operation..............................................................177Simplified logic diagrams......................................................185

Function block...........................................................................188Input and output signals............................................................189Setting parameters....................................................................190Technical data...........................................................................191

Full-scheme distance protection, quadrilateral for earth faultsZMMPDIS, ZMMAPDIS..................................................................192

Introduction................................................................................192Principle of operation.................................................................193

Full scheme measurement...................................................193Impedance characteristic.....................................................193Minimum operating current...................................................195

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Measuring principles............................................................196Directional lines....................................................................198Simplified logic diagrams......................................................200

Function block...........................................................................203Input and output signals............................................................203Setting parameters....................................................................204Technical data...........................................................................206

Directional impedance element for mho characteristic andadditional distance protection directional function for earthfaults ZDMRDIR, ZDARDIR...........................................................206

Introduction................................................................................207Principle of operation.................................................................207

Directional impedance element for mho characteristicZDMRDIR.............................................................................207Additional distance protection directional function forearth faults ZDARDIR...........................................................210

Function block...........................................................................212Input and output signals............................................................212Setting parameters....................................................................213

Mho impedance supervision logic ZSMGAPC................................214Introduction................................................................................214Principle of operation.................................................................215

Fault inception detection......................................................215Function block...........................................................................216Input and output signals............................................................216Setting parameters....................................................................217

Faulty phase identification with load encroachmentFMPSPDIS.....................................................................................217

Introduction................................................................................218Principle of operation.................................................................218

The phase selection function................................................218Function block...........................................................................229Input and output signals............................................................230Setting parameters....................................................................230Technical data...........................................................................231

Distance protection zone, quadrilateral characteristic, separatesettings ZMRPDIS, ZMRAPDIS and ZDRDIR................................231

Introduction................................................................................232Principle of operation.................................................................233

Full scheme measurement...................................................233Impedance characteristic.....................................................233Minimum operating current...................................................237Measuring principles............................................................237

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Directional impedance element for quadrilateralcharacteristics......................................................................240Simplified logic diagrams......................................................242

Function block...........................................................................245Input and output signals............................................................246Setting parameters....................................................................247Technical data...........................................................................249

Phase selection, quadrilateral characteristic with settableangle FRPSPDIS............................................................................250

Introduction................................................................................250Principle of operation.................................................................251

Phase-to-earth fault..............................................................253Phase-to-phase fault............................................................255Three-phase faults...............................................................256Load encroachment..............................................................257Minimum operate currents....................................................262Simplified logic diagrams......................................................263

Function block...........................................................................267Input and output signals............................................................268Setting parameters....................................................................269Technical data...........................................................................270

Power swing detection ZMRPSB ...................................................270Introduction................................................................................270Principle of operation.................................................................270

Resistive reach in forward direction.....................................272Resistive reach in reverse direction.....................................272Reactive reach in forward and reverse direction..................273Basic detection logic.............................................................273Operating and inhibit conditions...........................................276

Function block...........................................................................277Input and output signals............................................................277Setting parameters....................................................................278Technical data...........................................................................279

Power swing logic ZMRPSL ..........................................................279Introduction................................................................................279Principle of operation.................................................................279

Communication and tripping logic........................................279Blocking logic.......................................................................280

Function block...........................................................................282Input and output signals............................................................282Setting parameters....................................................................283

Pole slip protection PSPPPAM ......................................................283Introduction................................................................................283Principle of operation.................................................................283

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Function block...........................................................................287Input and output signals............................................................287Setting parameters....................................................................288Technical data...........................................................................288

Automatic switch onto fault logic, voltage and current basedZCVPSOF ......................................................................................289

Introduction................................................................................289Principle of operation.................................................................289Function block...........................................................................291Input and output signals............................................................291Setting parameters....................................................................291Technical data...........................................................................292

Phase preference logic PPLPHIZ...................................................292Introduction................................................................................292Principle of operation.................................................................292Function block...........................................................................295Input and output signals............................................................295Setting parameters....................................................................296

Section 7 Current protection.........................................................299Instantaneous phase overcurrent protection 3-phase outputPHPIOC .........................................................................................299

Introduction................................................................................299Principle of operation.................................................................299Function block...........................................................................300Input and output signals............................................................300Setting parameters....................................................................300Technical data...........................................................................301

Four step phase overcurrent protection OC4PTOC ......................301Introduction................................................................................301Principle of operation.................................................................302Function block...........................................................................307Input and output signals............................................................307Setting parameters....................................................................309Technical data...........................................................................314

Instantaneous residual overcurrent protection EFPIOC ................315Introduction................................................................................315Principle of operation.................................................................315Function block...........................................................................316Input and output signals............................................................316Setting parameters....................................................................316Technical data...........................................................................317

Four step residual overcurrent protection, zero, negativesequence direction EF4PTOC .......................................................317

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Introduction................................................................................317Principle of operation.................................................................318

Operating quantity within the function..................................318Internal polarizing.................................................................319External polarizing for earth-fault function............................321Base quantities within the protection....................................321Internal earth-fault protection structure................................322Four residual overcurrent steps............................................322Directional supervision element with integrateddirectional comparison function............................................323Second harmonic blocking element.....................................325Switch on to fault feature......................................................327

Function block...........................................................................329Input and output signals............................................................330Setting parameters....................................................................331Technical data...........................................................................336

Four step directional negative phase sequence overcurrentprotection NS4PTOC .....................................................................336

Introduction................................................................................337Principle of operation.................................................................337

Operating quantity within the function..................................337Internal polarizing facility of the function..............................338External polarizing for negative sequence function..............339Base quantities within the function.......................................339Internal negative sequence protection structure..................340Four negative sequence overcurrent stages........................340Directional supervision element with integrateddirectional comparison function............................................341

Function block...........................................................................344Input and output signals............................................................344Setting parameters....................................................................345Technical data...........................................................................350

Sensitive directional residual overcurrent and power protectionSDEPSDE .....................................................................................350

Introduction................................................................................350Principle of operation.................................................................352

Function inputs.....................................................................352Function block...........................................................................358Input and output signals............................................................359Setting parameters....................................................................360Technical data...........................................................................362

Thermal overload protection, one time constant LPTTR................363Introduction................................................................................363Principle of operation.................................................................363

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Function block...........................................................................366Input and output signals............................................................367Setting parameters....................................................................367Technical data...........................................................................368

Breaker failure protection CCRBRF ..............................................368Introduction................................................................................368Principle of operation.................................................................369Function block...........................................................................372Input and output signals............................................................372Setting parameters....................................................................373Technical data...........................................................................373

Stub protection STBPTOC ............................................................374Introduction................................................................................374Principle of operation.................................................................374Function block...........................................................................375Input and output signals............................................................375Setting parameters....................................................................376Technical data...........................................................................376

Pole discordance protection CCRPLD ..........................................376Introduction................................................................................377Principle of operation.................................................................377

Pole discordance signaling from circuit breaker...................380Unsymmetrical current detection..........................................380

Function block...........................................................................380Input and output signals............................................................381Setting parameters....................................................................381Technical data...........................................................................382

Directional underpower protection GUPPDUP...............................382Introduction................................................................................382Principle of operation.................................................................383

Low pass filtering..................................................................385Calibration of analog inputs..................................................385

Function block...........................................................................386Input and output signals............................................................387Setting parameters....................................................................387Technical data...........................................................................388

Directional overpower protection GOPPDOP ................................389Introduction................................................................................389Principle of operation.................................................................390

Low pass filtering..................................................................392Calibration of analog inputs..................................................392

Function block...........................................................................393Input and output signals............................................................394

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Setting parameters....................................................................394Technical data...........................................................................396

Broken conductor check BRCPTOC .............................................396Introduction................................................................................396Principle of operation.................................................................396Function block...........................................................................398Input and output signals............................................................398Setting parameters....................................................................398Technical data...........................................................................399

Section 8 Voltage protection........................................................401Two step undervoltage protection UV2PTUV ................................401

Introduction................................................................................401Principle of operation.................................................................401

Measurement principle.........................................................402Time delay............................................................................402Blocking................................................................................408Design..................................................................................409

Function block...........................................................................411Input and output signals............................................................411Setting parameters....................................................................412Technical data...........................................................................414

Two step overvoltage protection OV2PTOV ..................................415Introduction................................................................................415Principle of operation.................................................................415

Measurement principle.........................................................416Time delay............................................................................416Blocking................................................................................422Design..................................................................................422

Function block...........................................................................424Input and output signals............................................................424Setting parameters....................................................................425Technical data...........................................................................427

Two step residual overvoltage protection ROV2PTOV .................427Introduction................................................................................428Principle of operation.................................................................428

Measurement principle.........................................................428Time delay............................................................................428Blocking................................................................................434Design..................................................................................434

Function block...........................................................................435Input and output signals............................................................436Setting parameters....................................................................436Technical data...........................................................................438

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Overexcitation protection OEXPVPH ............................................438Introduction................................................................................439Principle of operation.................................................................439

Measured voltage.................................................................441Operate time of the overexcitation protection.......................442Cooling.................................................................................446Overexcitation protection function measurands...................446Overexcitation alarm............................................................447Logic diagram.......................................................................447

Function block...........................................................................448Input and output signals............................................................448Setting parameters....................................................................448Technical data...........................................................................450

Voltage differential protection VDCPTOV ......................................450Introduction................................................................................450Principle of operation.................................................................450Function block...........................................................................452Input and output signals............................................................452Setting parameters....................................................................452Technical data...........................................................................453

Loss of voltage check LOVPTUV ..................................................453Introduction................................................................................453Principle of operation.................................................................454Function block...........................................................................455Input and output signals............................................................456Setting parameters....................................................................456Technical data...........................................................................456

Section 9 Frequency protection....................................................457Underfrequency protection SAPTUF .............................................457

Introduction................................................................................457Principle of operation.................................................................457

Measurement principle.........................................................458Time delay............................................................................458Voltage dependent time delay..............................................458Blocking................................................................................460Design..................................................................................460

Function block...........................................................................461Input and output signals............................................................461Setting parameters....................................................................461Technical data...........................................................................462

Overfrequency protection SAPTOF ...............................................462Introduction................................................................................463Principle of operation.................................................................463

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Measurement principle.........................................................463Time delay............................................................................463Blocking................................................................................464Design..................................................................................464

Function block...........................................................................465Input and output signals............................................................465Setting parameters....................................................................465Technical data...........................................................................466

Rate-of-change frequency protection SAPFRC .............................466Introduction................................................................................466Principle of operation.................................................................466

Measurement principle.........................................................467Time delay............................................................................467Blocking................................................................................467Design..................................................................................468

Function block...........................................................................469Input and output signals............................................................469Setting parameters....................................................................469Technical data...........................................................................470

Section 10 Multipurpose protection................................................471General current and voltage protection CVGAPC..........................471

Introduction................................................................................471Principle of operation.................................................................471

Measured quantities within CVGAPC...................................471Base quantities for CVGAPC function..................................474Built-in overcurrent protection steps.....................................474Built-in undercurrent protection steps...................................479Built-in overvoltage protection steps....................................480Built-in undervoltage protection steps..................................480Logic diagram.......................................................................480

Function block...........................................................................485Input and output signals............................................................486Setting parameters....................................................................487Technical data...........................................................................495

Section 11 Secondary system supervision.....................................497Current circuit supervision CCSRDIF ............................................497

Introduction................................................................................497Principle of operation.................................................................497Function block...........................................................................499Input and output signals............................................................499Setting parameters....................................................................500Technical data...........................................................................500

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Fuse failure supervision SDDRFUF...............................................500Introduction................................................................................500Principle of operation.................................................................501

Zero and negative sequence detection................................501Delta current and delta voltage detection.............................505Dead line detection...............................................................507Main logic.............................................................................507

Function block...........................................................................511Input and output signals............................................................511Setting parameters....................................................................511Technical data...........................................................................512

Section 12 Control..........................................................................515Synchrocheck, energizing check, and synchronizingSESRSYN......................................................................................515

Introduction................................................................................515Principle of operation.................................................................516

Basic functionality.................................................................516Logic diagrams.....................................................................516

Function block...........................................................................525Input and output signals............................................................525Setting parameters....................................................................528Technical data...........................................................................531

Autorecloser SMBRREC ...............................................................532Introduction................................................................................532Principle of operation.................................................................532

Logic Diagrams....................................................................532Auto-reclosing operation Off and On....................................532Auto-reclosing mode selection.............................................533Start auto-reclosing and conditions for start of areclosing cycle......................................................................533Control of the auto-reclosing open time for shot 1...............534Long trip signal.....................................................................535Time sequence diagrams.....................................................541

Function block...........................................................................544Input and output signals............................................................544Setting parameters....................................................................546Technical data...........................................................................548

Apparatus control APC...................................................................548Introduction................................................................................548Principle of operation.................................................................548Error handling............................................................................549Bay control QCBAY...................................................................551

Introduction...........................................................................551

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Principle of operation............................................................551Function block......................................................................553Input and output signals.......................................................553Setting parameters...............................................................554

Local/Remote switch.................................................................554Introduction...........................................................................554Principle of operation............................................................554Function block......................................................................556Input and output signals.......................................................556Setting parameters...............................................................557

Switch controller SCSWI...........................................................557Introduction...........................................................................558Principle of operation............................................................558Function block......................................................................563Input and output signals.......................................................563Setting parameters...............................................................564

Circuit breaker SXCBR..............................................................564Introduction...........................................................................565Principle of operation............................................................565Function block......................................................................569Input and output signals.......................................................569Setting parameters...............................................................570

Circuit switch SXSWI.................................................................570Introduction...........................................................................570Principle of operation............................................................570Function block......................................................................574Input and output signals.......................................................574Setting parameters...............................................................575

Bay reserve QCRSV..................................................................575Introduction...........................................................................576Principle of operation............................................................576Function block......................................................................578Input and output signals.......................................................579Setting parameters...............................................................580

Reservation input RESIN...........................................................580Introduction...........................................................................580Principle of operation............................................................580Function block......................................................................582Input and output signals.......................................................583Setting parameters...............................................................584

Interlocking ....................................................................................584Introduction................................................................................584Principle of operation.................................................................584

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Logical node for interlocking SCILO .........................................587Introduction...........................................................................587Logic diagram.......................................................................587Function block......................................................................588Input and output signals.......................................................588

Interlocking for busbar earthing switch BB_ES .........................588Introduction...........................................................................589Function block......................................................................589Logic diagram.......................................................................589Input and output signals.......................................................589

Interlocking for bus-section breaker A1A2_BS..........................590Introduction...........................................................................590Function block......................................................................591Logic diagram.......................................................................592Input and output signals.......................................................593

Interlocking for bus-section disconnector A1A2_DC ................594Introduction...........................................................................595Function block......................................................................595Logic diagram.......................................................................596Input and output signals.......................................................596

Interlocking for bus-coupler bay ABC_BC ................................597Introduction...........................................................................597Function block......................................................................598Logic diagram.......................................................................599Input and output signals.......................................................601

Interlocking for 1 1/2 CB BH .....................................................604Introduction...........................................................................604Function blocks....................................................................605Logic diagrams.....................................................................607Input and output signals.......................................................612

Interlocking for double CB bay DB ...........................................616Introduction...........................................................................616Function block......................................................................617Logic diagrams.....................................................................619Input and output signals ......................................................622

Interlocking for line bay ABC_LINE ..........................................625Introduction...........................................................................625Function block......................................................................626Logic diagram.......................................................................627Input and output signals.......................................................632

Interlocking for transformer bay AB_TRAFO ............................634Introduction...........................................................................635Function block......................................................................636

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Logic diagram.......................................................................637Input and output signals.......................................................638

Position evaluation POS_EVAL.................................................640Introduction...........................................................................640Logic diagram.......................................................................640Function block......................................................................641Input and output signals.......................................................641

Logic rotating switch for function selection and LHMIpresentation SLGGIO.....................................................................641

Introduction................................................................................641Principle of operation.................................................................641

Functionality and behaviour ................................................643Graphical display..................................................................643

Function block...........................................................................645Input and output signals............................................................645Setting parameters....................................................................646

Selector mini switch VSGGIO.........................................................647Introduction................................................................................647Principle of operation.................................................................647Function block...........................................................................648Input and output signals............................................................648Setting parameters....................................................................649

IEC61850 generic communication I/O functions DPGGIO.............649Introduction................................................................................649Principle of operation.................................................................649Function block...........................................................................650Input and output signals............................................................650Settings......................................................................................650

Single point generic control 8 signals SPC8GGIO.........................650Introduction................................................................................650Principle of operation.................................................................651Function block...........................................................................651Input and output signals............................................................651Setting parameters....................................................................652

AutomationBits, command function for DNP3.0 AUTOBITS..........652Introduction................................................................................653Principle of operation.................................................................653Function block...........................................................................654Input and output signals............................................................654Setting parameters....................................................................655

Single command, 16 signals SINGLECMD....................................669Introduction................................................................................669Principle of operation.................................................................669

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Function block...........................................................................670Input and output signals............................................................670Setting parameters....................................................................671

Section 13 Scheme communication...............................................673Scheme communication logic for distance or overcurrentprotection ZCPSCH........................................................................673

Introduction................................................................................673Principle of operation.................................................................674

Blocking scheme..................................................................674Permissive underreaching scheme......................................674Permissive overreaching scheme........................................675Unblocking scheme..............................................................675Intertrip scheme....................................................................676Simplified logic diagram.......................................................676

Function block...........................................................................678Input and output signals............................................................678Setting parameters....................................................................679Technical data...........................................................................679

Phase segregated scheme communication logic for distanceprotection ZC1PPSCH ...................................................................680

Introduction................................................................................680Principle of operation.................................................................680

Blocking scheme..................................................................681Permissive underreach scheme...........................................681Permissive overreach scheme.............................................682Unblocking scheme..............................................................682Intertrip scheme....................................................................682Simplified logic diagram.......................................................683

Function block...........................................................................684Input and output signals............................................................684Setting parameters....................................................................686Technical data...........................................................................686

Current reversal and WEI logic for distance protection 3-phaseZCRWPSCH ..................................................................................686

Introduction................................................................................686Principle of operation.................................................................687

Current reversal logic...........................................................687Weak-end infeed logic..........................................................687

Function block...........................................................................689Input and output signals............................................................689Setting parameters....................................................................690Technical data...........................................................................690

Local acceleration logic ZCLCPLAL...............................................690

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Introduction................................................................................691Principle of operation.................................................................691

Zone extension.....................................................................691Loss-of-Load acceleration....................................................692

Function block...........................................................................692Input and output signals............................................................693Setting parameters....................................................................693

Scheme communication logic for residual overcurrentprotection ECPSCH .......................................................................694

Introduction................................................................................694Principle of operation.................................................................694

Blocking scheme..................................................................695Permissive under/overreaching scheme..............................695Unblocking scheme..............................................................697

Function block...........................................................................698Input and output signals............................................................699Setting parameters....................................................................699Technical data...........................................................................700

Current reversal and weak-end infeed logic for residualovercurrent protection ECRWPSCH...............................................700

Introduction................................................................................700Principle of operation.................................................................701

Directional comparison logic function...................................701Fault current reversal logic...................................................701Weak-end infeed logic..........................................................702

Function block...........................................................................703Input and output signals............................................................703Setting parameters....................................................................704Technical data...........................................................................704

Current reversal and weak-end infeed logic for phasesegregated communication ZC1WPSCH ......................................705

Introduction................................................................................705Principle of operation.................................................................705

Current reversal logic ..........................................................705Function block...........................................................................707Input and output signals............................................................708Setting parameters....................................................................709Technical data...........................................................................709

Direct transfer trip logic...................................................................709Introduction................................................................................710Low active power and power factor protection LAPPGAPC......711

Introduction...........................................................................711Principle of operation............................................................712Function block......................................................................714

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Input and output signals.......................................................714Setting parameters...............................................................715Technical data......................................................................715

Compensated over and undervoltage protectionCOUVGAPC..............................................................................716

Introduction...........................................................................716Principle of operation............................................................716Function block......................................................................718Input and output signals.......................................................718Setting parameters...............................................................719Technical data......................................................................720

Sudden change in current variation SCCVPTOC......................720Introduction...........................................................................721Principle of operation............................................................721Function block......................................................................722Input and output signals.......................................................722Setting parameters...............................................................722Technical data......................................................................723

Carrier receive logic LCCRPTRC..............................................723Introduction...........................................................................723Principle of operation............................................................723Function block......................................................................724Input and output signals.......................................................724Setting parameters...............................................................725Technical data......................................................................725

Negative sequence overvoltage protection LCNSPTOV...........725Introduction...........................................................................725Principle of operation............................................................725Function block......................................................................726Input and output signals.......................................................726Setting parameters...............................................................726Technical data......................................................................727

Zero sequence overvoltage protection LCZSPTOV..................727Introduction...........................................................................727Principle of operation............................................................727Function block......................................................................728Input and output signals.......................................................728Setting parameters...............................................................728Technical data......................................................................729

Negative sequence overcurrent protection LCNSPTOC...........729Introduction...........................................................................729Principle of operation............................................................729Function block......................................................................730

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Input and output signals.......................................................730Setting parameters...............................................................730Technical data......................................................................731

Zero sequence overcurrent protection LCZSPTOC..................731Introduction...........................................................................731Principle of operation............................................................731Function block......................................................................732Input and output signals.......................................................732Setting parameters...............................................................732Technical data......................................................................733

Three phase overcurrent LCP3PTOC.......................................733Introduction...........................................................................733Principle of operation............................................................733Function block......................................................................734Input and output signals.......................................................734Setting parameters...............................................................735Technical data......................................................................735

Three phase undercurrent LCP3PTUC.....................................735Introduction...........................................................................735Principle of operation............................................................736Function block......................................................................736Input and output signals.......................................................736Setting parameters...............................................................737Technical data......................................................................737

Section 14 Logic.............................................................................739Tripping logic SMPPTRC ...............................................................739

Introduction................................................................................739Principle of operation.................................................................739

Logic diagram.......................................................................741Function block...........................................................................744Input and output signals............................................................744Setting parameters....................................................................745Technical data...........................................................................746

Trip matrix logic TMAGGIO............................................................746Introduction................................................................................746Principle of operation.................................................................746Function block...........................................................................748Input and output signals............................................................748Setting parameters....................................................................749

Configurable logic blocks................................................................750Introduction................................................................................750Inverter function block INV........................................................750OR function block OR................................................................751

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AND function block AND...........................................................752Timer function block TIMER......................................................752Pulse timer function block PULSETIMER..................................753Exclusive OR function block XOR.............................................753Loop delay function block LOOPDELAY...................................754Set-reset with memory function block SRMEMORY.................754Reset-set with memory function block RSMEMORY.................755Controllable gate function block GATE......................................756Settable timer function block TIMERSET..................................757Technical data...........................................................................758

Fixed signal function block FXDSIGN............................................758Principle of operation.................................................................758Function block...........................................................................759Input and output signals............................................................759Setting parameters....................................................................759

Boolean 16 to Integer conversion B16I..........................................760Introduction................................................................................760Principle of operation.................................................................760Function block...........................................................................760Input and output signals............................................................760Setting parameters....................................................................761

Boolean 16 to Integer conversion with logic noderepresentation B16IFCVI................................................................761

Introduction................................................................................761Principle of operation.................................................................762Function block...........................................................................762Input and output signals............................................................762Setting parameters....................................................................763

Integer to Boolean 16 conversion IB16..........................................763Introduction................................................................................763Principle of operation.................................................................763Function block...........................................................................764Input and output signals............................................................764Setting parameters....................................................................765

Integer to Boolean 16 conversion with logic noderepresentation IB16FCVB...............................................................765

Introduction................................................................................765Principle of operation.................................................................765Function block...........................................................................766Input and output signals............................................................766Setting parameters....................................................................767

Section 15 Monitoring.....................................................................769Measurements................................................................................769

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Introduction................................................................................770Principle of operation.................................................................771

Measurement supervision....................................................771Measurements CVMMXN.....................................................775Phase current measurement CMMXU.................................780Phase-phase and phase-neutral voltage measurementsVMMXU, VNMMXU..............................................................781Voltage and current sequence measurements VMSQI,CMSQI..................................................................................781

Function block...........................................................................781Input and output signals............................................................783Setting parameters....................................................................786Technical data...........................................................................799

Event counter CNTGGIO................................................................800Identification..............................................................................800Introduction................................................................................801Principle of operation.................................................................801

Reporting..............................................................................801Design..................................................................................801

Function block...........................................................................802Input signals..............................................................................802Setting parameters....................................................................803Technical data...........................................................................803

Event function EVENT....................................................................803Introduction................................................................................803Principle of operation.................................................................803Function block...........................................................................805Input and output signals............................................................805Setting parameters................................................................