Commissioning the Relay | Siemens 7SA511 manual

7SA511 Line Protection RelayChapter 7

Commissioning the Relay

Table of Contents
7. Commissioning the Relay		7-3
7.1	Verifying the Installation and Relay Configuration	7-3
7.2	Relay Commissioning Tests	7-3
7.3	Guidelines for Commissioning the Relay	7-4
7.3.1 Current, Voltage, and Phase Sequence Checks		7-4
7.3.2 Directional Test Using Load Current (4200)		7-5
7.3.3 Checking the Carrier Transmission System		7-8
7.3.4 Circuit Breaker Trip Test (4400)		7-13
7.3.5 Automatic Reclose Test (4300) (Optional)		7-15
7.4 Returning the Relay to Operating Status		7-17

List of Figures

Figure 7-1.Load Impedance Vector

7-8

July 27, 1995

7-1

Image 155

Siemens 7SA511 manual Commissioning the Relay

Contents

7SA511 Numerical Line Protection Relay Page Table of Contents July 27 List of Figures Table of Contents This page intentionally blank Then read Using This ManualIf you want to Abbreviations and Acronyms Glossary of Terms and Abbreviations Terms Stage PickupReclaim time Reverse Line Protection Relay 7SA511 Ground fault detection input This page intentionally blank Product Description 7SA511 Line Protection Relay Product Description About the Relay Relay Setting Types Relay Features Description Relay Setting Descriptions by Address BlockAddress LCD Text 4000 Annunciations Operational Annunciations Last Fault Distance Protection FeatureFault detection options Overview of Protection Functions Feature Pilot Protection Power Swing Protection optionalEmergency Overcurrent Protection High-Resistance Ground Fault Protection optional Automatic Reclose optional Distance-to-Fault Location Front Panel Port Additional Functions and Features of the RelaySecured Data Storage Serial Data Ports Multiple Parameter Sets optional Acceptance Tests 7SA511 Line Protection Relay Acceptance Tests IEC Ansi Inrush peak Test EquipmentRated Voltage Reading the Initial Display Energizing the Relay Or Direkteadresse Verifying the Language Setting If the display shows Then Relay Settings for Acceptance Tests Relay Terminal Connections Test Equipment Relay Power Supply TestPower Consumption Test Alarm Relay Contact Test Current Input Connections Addr. No Metering TestsCurrent and Frequency Metering Test Model No Tolerance Voltage Metering TestVoltage Input Connections Addr. No LCD Text Input Binary Input TestAddr Index No LED Test Minus EMERG.O/C on Addr LCD Text14. LED Test Current Input Connections Signal and Trip Relay Test Setting Testing the Fault Detection SystemsOvercurrent Fault Detection Test Prerequisite Settings Addr LCD Text Voltage-Controlled Overcurrent Fault Detection Test Optional Prerequisite Setting Addr. LCD Text Impedance Zone Impedance Fault Detection Test optionalPrerequisite Setting Addr LCD Text VP/V = KRRAIP/IN Testing the Distance Zones Fault Type Setting value X of the distance zone to be checked Overreach Zones Z1B and Z1L Independent Zones Z1, Z2, and Z3Zone Test Type Coordination Times Testing the Power Swing Blocking Function OptionalPower Swing Exist PROGR. OUT-OF-STEP Trip Permissive Underreach Transfer Trip Putt Signal Transmission TestAddr Setting Option Description Test Permissive Overreach Transfer Trip Pott Setting at AddressPutt Mode Action Zone Expected Result Pott Mode Revers Interlock Emergency Overcurrent Protection Test DIST. PROT. NON-EXIST EMERG. O/C Exist Initial SetupHigh-Set Overcurrent Definite Time Ov rcurrent Protection Overcu rent T Procedure Definite Time High-Set Input/Output Units FNo Inverse Time Testing the Automatic Reclose AR Function Optional End of Acceptance Testing Prerequisite Settings Addr LCD Text Description This page intenionally blank Installation 7SA511 Line Protection Relay Installation 7SA511 Receiving and Handling the Relay Storing the Relay Preparing the Relay for Installation Removing the Relay’s Front Cover Removing/Installing Relay Modules Inserting the additional I/O module Removing the basic moduleRemoving the additional I/O module Changing the Binary Input Voltage Range Inserting the basic modulePrinted Circuit Board Locations Installing the Backup Battery Battery Installation Procedure View a View a Mounting the Relay General Connection Drawings Connecting the Relay to Your System Line-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 Operator Panel Introduction 7SA511 Keypad LEDs On/Off switchDisplay Panel Nameplate Front Serial Data Port General Procedures for Programming the RelayReserved Area for LED Labels KeyFunction Key Using the Navigation KeysPlacing the Relay in Programming Mode Selecting an Dress You wa to choose is displayed on the LCD Changing a S tting Enabling the Relay for Substation Control Optional Saving New SettingsStep Action Result By use of the key Options/Range PresetWaveform Capture Settings Addr LCD Text Description Fault detection pickup Trip command Baud If address 2802 setting is Relay Scope of Functions Operating Parameters Operating SettingsOptions Section English Language OPER. Baud Date Format Fault IndicDD.MM.YYYY By Fault Detec MM/DD/YYYY By Trip Command Difference Time Real-Time ClockDate Set Time Parameter Changeover Optional Synchronizing the Clock PARAM.C/O Configuring a Parameter SetConfiguring Each Parameter in Each Set Accesses this parameter set Copying Parameter Sets Selecting the Active Parameter Set Address Copy Action Deactivating Parameter Changeover System SettingsPower System Settings Settings for Measured Value Monitoring Fuse Fail Distance Protection Settings Z1B Z1L Fault Loop Earthed Network Fault Loop NON-EARTHED NETAddr. Block General Settings Independent Zones Z1, Z2, Z3 Controlled Overreach Zones Z1B and Z1L Zone & Description Preset Zone & Description Overcurrent Fault Detection SettingsPrerequisite Settings Addr. LCD Text PROG. U/I Voltage Controlled Overcurrent Fault DetectionExist U/I RA1 RA2 RAE Polygonal Impedance Fault DetectionExist Impedance Zone PROG. ZA LCD Text Description Determination of the Fault Loop for Grounded SystemsPreset Options/Range Exist Impedance Zone Exist Power Swing Protection 2000 OptionalPhase Pref L3L1 Acyclic Permissive Underreach Transfer Addr LCD Text Description Preset OFF FD Acceleration Putt Mode SEND-PRL REC-PROL SEND-DELPermissive Overreach Transfer Z1B Acceleration Forwards Pott Mode Transblo Wait TB SEND-PRLSEND-DEL Echo ECHO-DEL ECHO-IMP ECHO-BLO Z1B Release Stage MAN. Close CT ERR CT ERR. F1 CT ERR. F2 EarthfaultExist Compensated Isolated Directional D.T. Solidly Earthed Directional Protection With Nondirectional Backup DIREC. Comparison Solidly Earthed DirectDirection NON-DIR Block Normal Inverse Description PresetNondirectional, Inverse Time Overcurrent Protection Charac Internal AR Device Configuration for Automatic RecloseOption Terminology Automatic Reclose Function SettingsAddr LCD Text Description Preset Options/Range Prerequisite Setting Addr LCD Text Description Fault Location Settings Compar Echo Turning the Relay Functions On and OffFunction See Section Procedure for Configuring the Logical Functions Configuration Settings BelowFAILU. RELAY424V AR on no AR OFF no PresettingsAddr Unit Index No LCD Text 2nd line LED Binary Inputs Trip Relays Signal RelaysLED Indicators This page intentionally blank Displaying System and Relay Information This page intentionally blank Using the Operator Panel to Display Information Event Log Ess. ANNUNCIATIONS5000 Binary Inputs Storage and Display DescriptionEvent Log Messages LCD Text 2nd line Description Possible Tag Monitoring Functions General Circuit Breaker Test Function Power Swing FunctionGround Fault Protection Automatic Reclose Function Target Log for All Systems 5200, 5300, Table Status 7SA511 Line Protection Re ay Chapter Example Sys em Fault Messages Command. DisTrip46 23C Distance Protection Target Log MessagesLCD Text 2nd line Description Automatic Reclose Fault LocationHigh-Resistance Ground Fault Protection in Grounded Systems Emergency Overcurrent Protection Began. E/FDetection002104357 C Circuit Breaker Operation Statistics Isolated Ground Fault Data Log Messages Operational Measured Values Reading the Measured Values As a percentage of VN Primary specified at address Total Maximum Recording Time Access Start End PortWaveform Capture Max. Rec. Time After Pickup 33..100 Commissioning the Relay 7SA511 Line Protection Relay Commissioning the Relay Relay Commissioning Tests Verifying the Installation and Relay Configuration Guidelines for Commissioning the Relay Current, Voltage, and Phase Sequence ChecksSymmetry Error Summation Error Directional Test Using Load Current Phase Sequence Check Measurement Loop Test Procedure July 27 Checking the Carrier Transmission System Overreach Zone Comparison Via Pilot Wires Overreach Revers Interlock Teleprotec Pott ModeOverreach Pilot Wire Comp Reverse Interlocking Carrier Transmission With Release Signal Overreach Z1B Blocking Carrier Transmission With Blocking SignalCarrier Transmission With Underreach Transfer Signal DIREC.COMPARISON OFF If address 2102 setting is CB Auxiliary Contact Control Circuit Breaker Trip Test 4401 4402 4403 4404 AUTO-RECL Setting Options & DescriptionsAutomatic Reclose Test 4300 Optional LCD Text & Description TestProcedure Returning the Relay o Op rating Status LCD ext This page intentionally blank Maintenance 7SA511 Line Protection Relay Maintenance Electrostatic Discharge Possible equipment damage Troub eshooting Tips Tracing Hardware and Software FaultsInspecting the Power Supply Fuse Replacing the Backup Battery Erasing Stored Data What To Do With Defective Relays Preset OptionsStoring Relays That are Taken Out of Service Reset Counters ? This 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 Distance Protection Overview Voltage Subsystem Ground Fault Detection and Processing Overcurrent Fault Detection PHASE-PHASE Polygonal Impedance Fault Detection Optional Phase 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 3PH Faults = PH-E only Fault Loop Determination in Ungrounded Systems Optional2PH-E Flts = PHASE-PHASE Leading PH-E Lagging PH-E 3PH Faults = Control