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Models: 7SA511

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7SA511 Line Protection Relay

Introduction

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1-8	July 27, 1995

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Siemens 7SA511 manual This page intentionally blank

Contents

7SA511 Numerical Line Protection Relay Page Table of Contents July 27 Table of Contents List of FiguresThis page intentionally blank Using This Manual If you want toThen read Glossary of Terms and Abbreviations Abbreviations and AcronymsTerms Pickup Reclaim timeReverse StageGround fault detection input Line Protection Relay 7SA511This page intentionally blank Product Description 7SA511 Line Protection Relay Product Description About the Relay Relay Features Relay Setting TypesRelay Setting Descriptions by Address Block AddressLCD Text Description4000 Annunciations Operational Annunciations Last Fault Feature Fault detection optionsOverview of Protection Functions Distance ProtectionFeature Power Swing Protection optional Emergency Overcurrent ProtectionPilot Protection High-Resistance Ground Fault Protection optional Distance-to-Fault Location Automatic Reclose optionalAdditional Functions and Features of the Relay Secured Data StorageSerial Data Ports Front Panel PortMultiple Parameter Sets optional Acceptance Tests 7SA511 Line Protection Relay Acceptance Tests IEC Ansi Test Equipment Rated VoltageInrush peak Energizing the Relay Reading the Initial DisplayVerifying the Language Setting Or DirekteadresseRelay Settings for Acceptance Tests If the display shows ThenPower Supply Test Power Consumption TestRelay Terminal Connections Test Equipment Relay Alarm Relay Contact Test Metering Tests Current and Frequency Metering TestModel No Current Input Connections Addr. NoVoltage Metering Test Voltage Input Connections Addr. No LCD TextTolerance Binary Input Test AddrIndex No InputMinus LED TestAddr LCD Text 14. LED Test Current Input ConnectionsEMERG.O/C on Signal and Trip Relay Test Testing the Fault Detection Systems Overcurrent Fault Detection TestPrerequisite Settings Addr LCD Text SettingVoltage-Controlled Overcurrent Fault Detection Test Optional Prerequisite Setting Addr. LCD Text Impedance Fault Detection Test optional Prerequisite Setting Addr LCD TextImpedance Zone VP/V = KRRAIP/IN Fault Type Testing the Distance ZonesSetting value X of the distance zone to be checked Independent Zones Z1, Z2, and Z3 Zone Test TypeOverreach Zones Z1B and Z1L Testing the Power Swing Blocking Function Optional Power Swing Exist PROGR. OUT-OF-STEP TripCoordination Times Signal Transmission Test Addr Setting Option DescriptionTest Permissive Underreach Transfer Trip PuttSetting at Address Putt Mode Action Zone Expected ResultPott Mode Permissive Overreach Transfer Trip PottEmergency Overcurrent Protection Test Revers InterlockInitial Setup High-Set OvercurrentDIST. PROT. NON-EXIST EMERG. O/C Exist Overcu rent T Procedure Definite Time Ov rcurrent ProtectionHigh-Set Definite TimeFNo Input/Output UnitsTesting the Automatic Reclose AR Function Optional Inverse TimePrerequisite Settings Addr LCD Text Description End of Acceptance TestingThis page intenionally blank Installation 7SA511 Line Protection Relay Installation Receiving and Handling the Relay 7SA511Preparing the Relay for Installation Storing the RelayRemoving/Installing Relay Modules Removing the Relay’s Front CoverRemoving the basic module Removing the additional I/O moduleInserting the additional I/O module Inserting the basic module Printed Circuit Board LocationsChanging the Binary Input Voltage Range Installing the Backup Battery Battery Installation Procedure View a Mounting the Relay View aConnecting the Relay to Your System General Connection DrawingsLine-NeutralVL2 Voltage Inputs Wire Port #8 Ring lugs #10 Ring lugs Voltage, Signal & Tripping Terminal Block B a 14. VT Circuits Phase CTs with residual connection For ground faults T. connection with broken-delta for optimum Pilot Wire Connection Diagrams StationB Station This page intentionally blank Programming the Relay 7SA511 Relay’s Operator Panel Introduction Operator PanelKeypad 7SA511On/Off switch Display PanelNameplate LEDsGeneral Procedures for Programming the Relay Reserved Area for LED LabelsFront Serial Data Port KeyFunction Using the Navigation Keys Placing the Relay in Programming ModeSelecting an Dress KeyChanging a S tting You wa to choose is displayed on the LCDSaving New Settings Step Action Result By use of the keyEnabling the Relay for Substation Control Optional Preset Waveform Capture SettingsAddr LCD Text Description Options/RangeFault detection pickup Trip command If address 2802 setting is BaudRelay Scope of Functions Operating Settings OptionsSection Operating ParametersLanguage OPER. Baud Date Format Fault Indic DD.MM.YYYY By Fault DetecMM/DD/YYYY By Trip Command EnglishReal-Time Clock DateSet Time Difference TimeSynchronizing the Clock Parameter Changeover OptionalConfiguring a Parameter Set Configuring Each Parameter in Each SetAccesses this parameter set PARAM.C/OCopying Parameter Sets Address Copy Action Selecting the Active Parameter SetSystem Settings Power System SettingsDeactivating Parameter Changeover Settings for Measured Value Monitoring Distance Protection Settings Fuse FailFault Loop Earthed Network Fault Loop NON-EARTHED NET Addr. BlockZ1B Z1L General Settings Independent Zones Z1, Z2, Z3 Zone & Description Preset Controlled Overreach Zones Z1B and Z1LOvercurrent Fault Detection Settings Prerequisite Settings Addr. LCD TextZone & Description Voltage Controlled Overcurrent Fault Detection Exist U/IPROG. U/I Polygonal Impedance Fault Detection Exist Impedance ZonePROG. ZA RA1 RA2 RAEDetermination of the Fault Loop for Grounded Systems Preset Options/RangeLCD Text Description Power Swing Protection 2000 Optional Phase PrefL3L1 Acyclic Exist Impedance Zone ExistAddr LCD Text Description Preset Permissive Underreach TransferPutt Mode SEND-PRL REC-PROL SEND-DEL Permissive Overreach TransferZ1B Acceleration OFF FD AccelerationPott Mode Transblo Wait TB SEND-PRL SEND-DEL Echo ECHO-DEL ECHO-IMP ECHO-BLOZ1B Release ForwardsMAN. Close StageEarthfault Exist Compensated IsolatedCT ERR CT ERR. F1 CT ERR. F2 Directional Protection With Nondirectional Backup Directional D.T. Solidly EarthedDirect Direction NON-DIRBlock DIREC. Comparison Solidly EarthedDescription Preset Nondirectional, Inverse Time Overcurrent ProtectionCharac Normal InverseDevice Configuration for Automatic Reclose OptionInternal AR Automatic Reclose Function Settings Addr LCD Text Description Preset Options/RangeTerminology Fault Location Settings Prerequisite Setting Addr LCD Text DescriptionTurning the Relay Functions On and Off FunctionSee Section Compar EchoConfiguration Settings Procedure for Configuring the Logical FunctionsBelowFAILU. RELAY424V Presettings Addr Unit Index NoLCD Text 2nd line AR on no AR OFF noLED Binary Inputs Signal Relays LED IndicatorsTrip Relays This page intentionally blank Displaying System and Relay Information This page intentionally blank Using the Operator Panel to Display Information Ess. ANNUNCIATIONS5000 Event LogStorage and Display Description Event Log MessagesLCD Text 2nd line Description Possible Tag Binary InputsGeneral Monitoring FunctionsPower Swing Function Ground Fault ProtectionAutomatic Reclose Function Circuit Breaker Test FunctionTable Status Target Log for All Systems 5200, 5300,Example Sys em Fault Messages 7SA511 Line Protection Re ay ChapterCommand. DisTrip46 23C Target Log Messages LCD Text 2nd line DescriptionDistance Protection Fault Location High-Resistance Ground Fault Protection in Grounded SystemsEmergency Overcurrent Protection Automatic RecloseBegan. E/FDetection002104357 C Isolated Ground Fault Data Log Messages Circuit Breaker Operation StatisticsReading the Measured Values Operational Measured ValuesAs a percentage of VN Primary specified at address Access Start End Port Waveform CaptureMax. Rec. Time After Pickup Total Maximum Recording Time33..100 Commissioning the Relay 7SA511 Line Protection Relay Commissioning the Relay Verifying the Installation and Relay Configuration Relay Commissioning TestsCurrent, Voltage, and Phase Sequence Checks Symmetry ErrorSummation Error Guidelines for Commissioning the RelayPhase Sequence Check Directional Test Using Load CurrentTest Procedure Measurement LoopJuly 27 Overreach Zone Comparison Via Pilot Wires Checking the Carrier Transmission SystemTeleprotec Pott Mode Overreach Pilot Wire CompReverse Interlocking Overreach Revers InterlockCarrier Transmission With Release Signal Carrier Transmission With Blocking Signal Carrier Transmission With Underreach Transfer SignalOverreach Z1B Blocking If address 2102 setting is DIREC.COMPARISON OFFCircuit Breaker Trip Test CB Auxiliary Contact Control4401 4402 4403 4404 Setting Options & Descriptions Automatic Reclose Test 4300 OptionalLCD Text & Description AUTO-RECLTestProcedure LCD ext Returning the Relay o Op rating StatusThis page intentionally blank Maintenance 7SA511 Line Protection Relay Maintenance Electrostatic Discharge Possible equipment damage Tracing Hardware and Software Faults Inspecting the Power Supply FuseTroub eshooting Tips Replacing the Backup Battery Erasing Stored Data Preset Options Storing Relays That are Taken Out of ServiceReset Counters ? What To Do With Defective RelaysThis page intentionally blank Method of Operation Figure A-1Hardware Structure of the 7SA511 Relay Figure A-18. Power Swing 7SA511 Line Protection Relay Overview of Hardware and Protection Functions Power System Bus Voltage Subsystem Distance Protection OverviewGround Fault Detection and Processing Overcurrent Fault Detection Polygonal Impedance Fault Detection Optional PHASE-PHASEPhase angle with the R intersection applicable Voltage Controlled Overcurrent Fault Detection Optional Resultant Annunciation Loop Fault Detection Module Measured Ground Fault Current Voltage − I L Is replaced by Which gives us Fault Loop Determination in Grounded Systems Fault Detection Phases Fault Loop Determination in Ungrounded Systems Optional 2PH-E Flts = PHASE-PHASE Leading PH-E Lagging PH-E3PH Faults = Control 3PH Faults = PH-E only