Sel 421 User manual
Date Code 20090715 User’s Guide SEL-421 Relay
© 2001–2009 by Schweitzer Engineering Laboratories, Inc. All rights reserved.
All brand or product names appearing in this document are the trademark or registered trademark of their respective holders. No SEL
trademarks may be used without written permission. SEL products appearing in this document may be covered by US and Foreign patents.
Schweitzer Engineering Laboratories, Inc. reserves all rights and benefits afforded under federal and international copyright and patent laws in
its products, including without limitation software, firmware, and documentation.
The information in this manual is provided for informational use only and is subject to change without notice. Schweitzer Engineering
Laboratories, Inc. has approved only the English language manual.
This product is covered by the standard SEL 10-year warranty. For warranty details, visit www.selinc.com or contact your customer service
representative. PM421-01
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Date Code 20090715 SEL-421 Relay
Table of Contents
List of Tables ...................................................................................................................................................... vii
List of Figures................................................................................................................................................... xxi
Preface .............................................................................................................................................................. xxxi
User’s Guide
Section 1: Introduction and Specifications
Features........................................................................................................................................................ U.1.2
Models and Options..................................................................................................................................... U.1.5
SEL-421 Versions and Supported Features ................................................................................................. U.1.7
Applications................................................................................................................................................. U.1.8
Specifications ............................................................................................................................................ U.1.13
Section 2: Installation
Shared Configuration Attributes.................................................................................................................. U.2.1
Plug-In Boards........................................................................................................................................... U.2.12
Jumpers...................................................................................................................................................... U.2.18
Relay Placement ........................................................................................................................................ U.2.30
Connection................................................................................................................................................. U.2.31
AC/DC Connection Diagrams................................................................................................................... U.2.50
Section 3: PC Software
Installing the Computer Software................................................................................................................ U.3.2
Communications Setup................................................................................................................................ U.3.4
Settings Database Management and Drivers............................................................................................... U.3.6
Create and Manage Relay Settings.............................................................................................................. U.3.9
Expression Builder .................................................................................................................................... U.3.14
Analyze Events .......................................................................................................................................... U.3.16
HMI Meter and Control............................................................................................................................. U.3.21
Section 4: Basic Relay Operations
Inspecting a New Relay............................................................................................................................... U.4.1
Connecting and Applying Power................................................................................................................. U.4.3
Establishing Communication....................................................................................................................... U.4.4
Changing the Default Passwords................................................................................................................. U.4.6
Checking Relay Status............................................................................................................................... U.4.10
Making Simple Settings Changes.............................................................................................................. U.4.13
Examining Metering Quantities ................................................................................................................ U.4.33
Reading Oscillograms, Event Reports, and SER....................................................................................... U.4.42
Operating the Relay Inputs and Outputs ................................................................................................... U.4.56
Configuring High-Accuracy Timekeeping ................................................................................................ U.4.71
Readying the Relay for Field Application................................................................................................. U.4.79
Section 5: Front-Panel Operations
Front-Panel Layout ...................................................................................................................................... U.5.2
Front-Panel Menus and Screens ................................................................................................................ U.5.13
Front-Panel Automatic Messages.............................................................................................................. U.5.34
Operation and Target LEDs....................................................................................................................... U.5.36
Front-Panel Operator Control Pushbuttons ............................................................................................... U.5.40
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Table of Contents
Section 6: Testing and Troubleshooting
Testing Philosophy ...................................................................................................................................... U.6.1
Testing Features and Tools .......................................................................................................................... U.6.4
Relay Test Connections ............................................................................................................................... U.6.8
Test Methods ............................................................................................................................................. U.6.13
Checking Relay Operation ........................................................................................................................ U.6.24
Relay Self-Tests......................................................................................................................................... U.6.38
Relay Troubleshooting .............................................................................................................................. U.6.42
Factory Assistance..................................................................................................................................... U.6.45
Appendix A: Firmware and Manual Versions
Firmware..................................................................................................................................................... U.A.1
Instruction Manual.................................................................................................................................... U.A.10
Applications Handbook
Section 1: Protection Application Examples
Overview ..................................................................................................................................................... A.1.1
230 kV Overhead Transmission Line Example........................................................................................... A.1.2
500 kV Parallel Transmission Lines With Mutual Coupling Example ..................................................... A.1.18
345 kV Tapped Overhead Transmission Line Example ............................................................................ A.1.51
EHV Parallel 230 kV Underground Cables Example ............................................................................... A.1.85
Out-of-Step Logic Application Examples ............................................................................................... A.1.116
Auto-Reclose Example............................................................................................................................ A.1.134
Auto-Reclose and Synchronism Check Example.................................................................................... A.1.138
Circuit Breaker Failure Application Examples ....................................................................................... A.1.148
Section 2: Monitoring and Metering
Circuit Breaker Monitor .............................................................................................................................. A.2.1
Station DC Battery System Monitor.......................................................................................................... A.2.21
Metering .................................................................................................................................................... A.2.26
Section 3: Analyzing Data
Data Processing ........................................................................................................................................... A.3.2
Triggering Data Captures and Event Reports.............................................................................................. A.3.4
Duration of Data Captures and Event Reports ............................................................................................ A.3.5
Oscillography .............................................................................................................................................. A.3.7
Event Reports, Event Summaries, and Event Histories............................................................................. A.3.11
SER (Sequential Events Recorder)............................................................................................................ A.3.34
Section 4: Time-Synchronized Measurements
Relay Configuration for High-Accuracy Timekeeping ............................................................................... A.4.1
Fault Analysis.............................................................................................................................................. A.4.6
Power Flow Analysis................................................................................................................................... A.4.7
State Estimation Verification....................................................................................................................... A.4.9
Section 5: Substation Automatic Restoration
230 kV Tapped Transmission Line Application Example........................................................................... A.5.2
Section 6: SEL Communications Processor Applications
SEL Communications Processors................................................................................................................ A.6.1
SEL Communications Processor and Relay Architecture ........................................................................... A.6.3
SEL Communications Processor Example.................................................................................................. A.6.5
Section 7: Direct Network Communication
Direct Network Communication ................................................................................................................. A.7.1
Serial Networking........................................................................................................................................ A.7.2
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Ethernet Card............................................................................................................................................... A.7.4
Direct Networking Example........................................................................................................................ A.7.7
Reference Manual
Section 1: Protection Functions
Current and Voltage Source Selection..........................................................................................................R.1.2
Frequency Estimation .................................................................................................................................R.1.15
Time-Error Calculation...............................................................................................................................R.1.16
Fault Location.............................................................................................................................................R.1.18
Open Phase Detection Logic ......................................................................................................................R.1.20
Pole Open Logic.........................................................................................................................................R.1.20
Loss-of-Potential Logic ..............................................................................................................................R.1.23
Fault Type Identification Selection Logic ..................................................................................................R.1.27
Ground Directional Element.......................................................................................................................R.1.27
Phase and Negative-Sequence Directional Elements .................................................................................R.1.38
Directionality..............................................................................................................................................R.1.39
CVT Transient Detection............................................................................................................................R.1.40
Series-Compensation Line Logic ...............................................................................................................R.1.41
Load-Encroachment Logic .........................................................................................................................R.1.42
Out-of-Step Logic.......................................................................................................................................R.1.43
Mho Ground Distance Elements ................................................................................................................R.1.49
Quadrilateral Ground Distance Elements...................................................................................................R.1.54
Mho Phase Distance Elements ...................................................................................................................R.1.58
Zone Time Delay ........................................................................................................................................R.1.61
Instantaneous Line Overcurrent Elements..................................................................................................R.1.64
Inverse-Time Overcurrent Elements...........................................................................................................R.1.70
Switch-Onto-Fault Logic............................................................................................................................R.1.84
Communications-Assisted Tripping Logic.................................................................................................R.1.87
Directional Comparison Blocking Scheme ................................................................................................R.1.88
Permissive Overreaching Transfer Tripping Scheme .................................................................................R.1.91
Directional Comparison Unblocking Scheme Logic................................................................................R.1.100
Trip Logic .................................................................................................................................................R.1.105
Circuit Breaker Failure Protection............................................................................................................R.1.115
Section 2: Auto-Reclosing and Synchronism Check
Auto-Reclosing.............................................................................................................................................R.2.2
One-Circuit-Breaker Auto-Reclosing...........................................................................................................R.2.4
Two-Circuit-Breaker Auto-Reclosing ........................................................................................................R.2.10
Auto-Reclose Logic Diagrams ...................................................................................................................R.2.27
Manual Closing ..........................................................................................................................................R.2.41
Voltage Checks for Auto-Reclosing and Manual Closing..........................................................................R.2.44
Settings and Relay Word Bits for Auto-Reclosing and Manual Closing ...................................................R.2.46
Synchronism Check....................................................................................................................................R.2.50
Section 3: SELOGIC Control Equation Programming
SELOGIC Control Equation History .............................................................................................................R.3.1
Separation of Protection and Automation Areas ..........................................................................................R.3.2
SELOGIC Control Equation Programming ...................................................................................................R.3.4
SELOGIC Control Equation Setting Structure ..............................................................................................R.3.6
Multiple Setting Groups ...............................................................................................................................R.3.8
SELOGIC Control Equation Capacity .........................................................................................................R.3.11
SELOGIC Control Equation Elements.........................................................................................................R.3.12
SELOGIC Control Equation Operators........................................................................................................R.3.25
Effective Programming...............................................................................................................................R.3.35
SEL-311 and SEL-351 Series Users...........................................................................................................R.3.37
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Section 4: Communications Interfaces
Communications Interfaces ..........................................................................................................................R.4.1
Serial Communication ..................................................................................................................................R.4.2
Communications Card ..................................................................................................................................R.4.4
Section 5: SEL Communications Protocols
Serial Port Hardware Protocol......................................................................................................................R.5.1
Software Protocol Selections........................................................................................................................R.5.2
Protocol Active When Setting PROTO := SEL............................................................................................R.5.3
Virtual File Interface...................................................................................................................................R.5.11
SEL MIRRORED BITS Communications......................................................................................................R.5.15
SEL Distributed Port Switch Protocol (LMD) ...........................................................................................R.5.21
SEL-2600A RTD Module Operation..........................................................................................................R.5.23
Section 6: DNP3 Communications
Introduction to DNP3 ...................................................................................................................................R.6.1
DNP3 in the SEL-421...................................................................................................................................R.6.5
DNP3 Documentation ................................................................................................................................R.6.12
Application Example ..................................................................................................................................R.6.27
DNP LAN/WAN.........................................................................................................................................R.6.32
DNP LAN/WAN in the SEL-421 ...............................................................................................................R.6.32
DNP LAN/WAN Documentation ...............................................................................................................R.6.41
DNP LAN/WAN Application Example......................................................................................................R.6.49
Section 7: Synchrophasors
Introduction ..................................................................................................................................................R.7.1
Synchrophasor Measurement .......................................................................................................................R.7.6
Settings for Synchrophasors.........................................................................................................................R.7.9
Synchrophasor Relay Word Bits.................................................................................................................R.7.19
Synchrophasor Analog Quantities..............................................................................................................R.7.20
View Synchrophasors by Using the MET PM Command..........................................................................R.7.24
C37.118 Synchrophasor Protocol...............................................................................................................R.7.25
SEL Fast Message Synchrophasor Protocol...............................................................................................R.7.31
Synchrophasor Protocols and SEL Fast Operate Commands.....................................................................R.7.37
Section 8: IEC 61850 Communications
Features.........................................................................................................................................................R.8.1
Introduction to IEC 61850............................................................................................................................R.8.2
IEC 61850 Operation....................................................................................................................................R.8.3
IEC 61850 Configuration ...........................................................................................................................R.8.12
Logical Nodes.............................................................................................................................................R.8.16
Protocol Implementation Conformance Statement: SEL-400 Series Devices ...........................................R.8.31
ACSI Conformance Statements..................................................................................................................R.8.37
Section 9: ASCII Command Reference
Description of Commands............................................................................................................................R.9.2
Section 10: Settings
Alias Settings..............................................................................................................................................R.10.3
Global Settings ...........................................................................................................................................R.10.4
Breaker Monitor Settings .........................................................................................................................R.10.11
Group Settings ..........................................................................................................................................R.10.14
Protection Free-Form SELOGIC Control Equations .................................................................................R.10.34
Automation Free-Form SELOGIC Control Equations...............................................................................R.10.35
Output Settings .........................................................................................................................................R.10.35
Front-Panel Settings .................................................................................................................................R.10.37
Report Settings .........................................................................................................................................R.10.44
Port Settings..............................................................................................................................................R.10.46
DNP3 Settings—Serial Port .....................................................................................................................R.10.50
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Table of Contents
Appendix A: Relay Word Bits
Alphabetic....................................................................................................................................................R.A.1
Row List ....................................................................................................................................................R.A.22
Appendix B: Analog Quantities
Quantities Listed Alphabetically .................................................................................................................R.B.1
Quantities Listed by Function .....................................................................................................................R.B.8
Glossary
Index
SEL-421 Relay Command Summary
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List of Tables
User’s Guide
Table 1.1 Application Highlights ..................................................................................................... U.1.11
Table 2.1 Recommended Control Input Pickup Settings ................................................................... U.2.5
Table 2.2 Required Settings for Use with AC Control Signals.......................................................... U.2.7
Table 2.3 I/O Interface Boards Control Inputs................................................................................. U.2.14
Table 2.4 I/O Interface Boards Control Outputs .............................................................................. U.2.15
Table 2.5 Main Board Jumpers ........................................................................................................ U.2.20
Table 2.6 Main Board Jumpers—JMP1, JMP2, and JMP3.............................................................. U.2.21
Table 2.7 I/O Board Jumpers ........................................................................................................... U.2.28
Table 2.8 Jumper Positions for Breaker OPEN/CLOSE Indication................................................. U.2.29
Table 2.9 Jumper Positions for Arc Suppression ............................................................................. U.2.29
Table 2.10 Front-Panel LED Option .................................................................................................. U.2.29
Table 2.11 Fuse Requirements for the SEL-421 Power Supply......................................................... U.2.39
Table 3.1 System Requirements for ACSELERATOR QuickSet.......................................................... U.3.2
Table 3.2 ACSELERATOR QuickSet HMI Tree View Functions....................................................... U.3.22
Table 4.1 Power Supply Voltage Inputs ............................................................................................. U.4.3
Table 4.2 General Serial Port Settings ............................................................................................... U.4.6
Table 4.3 SEL-421 Access Levels...................................................................................................... U.4.7
Table 4.4 Access Level Commands and Passwords........................................................................... U.4.7
Table 4.5 Settings Classes and Instances ....................................................................................... U.4.15
Table 4.6 Actions at Settings Prompts ............................................................................................. U.4.16
Table 4.7 Actions at Text-Edit Mode Prompts................................................................................. U.4.19
Table 4.8 Control Inputs in the SEL-421 ......................................................................................... U.4.65
Table 4.9 SEL-421 Timekeeping Modes.......................................................................................... U.4.71
Table 4.10 Date/Time Last Update Sources....................................................................................... U.4.76
Table 4.11 Communications Port Commands That Clear Relay Buffers .......................................... U.4.80
Table 5.1 Front-Panel Inactivity Time-Out Setting............................................................................ U.5.4
Table 5.2 Metering Screens Enable Settings...................................................................................... U.5.5
Table 5.3 SER Point Settings ............................................................................................................. U.5.8
Table 5.4 Display Point Settings—Boolean..................................................................................... U.5.11
Table 5.5 Display Point Settings—Analog ...................................................................................... U.5.11
Table 5.6 Display Point Settings—Boolean and Analog Examples ................................................ U.5.11
Table 5.7 Front-Panel Pushbutton Functions While Viewing SER Events ...................................... U.5.20
Table 5.8 Local Bit Control Settings................................................................................................ U.5.26
Table 5.9 Local Bit SELOGIC ........................................................................................................... U.5.26
Table 5.10 Settings Available From the Front Panel.......................................................................... U.5.28
Table 5.11 Front-Panel Target LEDs.................................................................................................. U.5.37
Table 5.12 TIME Target LED Trigger Elements—Factory Defaults................................................. U.5.38
Table 5.13 Operator Control Pushbuttons and LEDs—Factory Defaults .......................................... U.5.41
Table 6.1 Acceptance Testing ............................................................................................................ U.6.2
Table 6.2 Commissioning Testing...................................................................................................... U.6.2
Table 6.3 Maintenance Testing .......................................................................................................... U.6.3
Table 6.4 UUT Database Entries for SEL-5401 Relay Test System Software—5 A Relay .............. U.6.7
Table 6.5 UUT Database Entries for SEL-5401 Relay Test System Software—1 A Relay .............. U.6.8
Table 6.6 Phase Instantaneous Overcurrent Pickup ......................................................................... U.6.14
Table 6.7 Selectable Operating Quantity Time-Overcurrent Element (51S1) Default Settings ...... U.6.21
Table 6.8 Negative-Sequence Directional Element Settings AUTO Calculations........................... U.6.32
Table 6.9 Troubleshooting Procedures............................................................................................. U.6.42
Table A.1 Firmware Revision History ...............................................................................................U.A.1
Table A.2 Ethernet Card Firmware Revision History........................................................................ U.A.8
Table A.3 Compatible SEL-421 and Ethernet Card Firmware Versions ........................................... U.A.9
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List of Tables
Table A.4 ACSELERATOR Architect CID File Compatibility .......................................................... U.A.10
Table A.5 Instruction Manual Revision History .............................................................................. U.A.10
Applications Handbook
Table 1.1 System Data—230 kV Overhead Transmission Line ........................................................ A.1.2
Table 1.2 Secondary Impedances....................................................................................................... A.1.3
Table 1.3 LOP Enable Options........................................................................................................... A.1.6
Table 1.4 Options for Enabling Pole-Open Logic............................................................................ A.1.12
Table 1.5 Setting TULO Unlatch Trip Options................................................................................ A.1.13
Table 1.6 Settings for 230 kV Overhead TX Example .................................................................... A.1.14
Table 1.7 System Data—500 kV Parallel Overhead Transmission Lines........................................ A.1.19
Table 1.8 Secondary Impedances..................................................................................................... A.1.19
Table 1.9 LOP Enable Options......................................................................................................... A.1.24
Table 1.10 Tilt Resulting From Nonhomogeneity ............................................................................. A.1.29
Table 1.11 Options for Enabling Pole-Open Logic............................................................................ A.1.35
Table 1.12 Trip Unlatch Options........................................................................................................ A.1.39
Table 1.13 Settings for 500 kV Parallel TX Example........................................................................ A.1.45
Table 1.14 System Data—345 kV Tapped Overhead Transmission Line.......................................... A.1.52
Table 1.15 Secondary Impedances..................................................................................................... A.1.53
Table 1.16 LOP Enable Options......................................................................................................... A.1.58
Table 1.17 Local Zone 2 Fault Impedance Measurements ................................................................ A.1.59
Table 1.18 Apparent Impedance Measurement for Remote Faults.................................................... A.1.60
Table 1.19 Options for Enabling Pole-Open Logic............................................................................ A.1.74
Table 1.20 Setting TULO Unlatch Trip Options................................................................................ A.1.78
Table 1.21 Settings for 345 kV Tapped TX Example ........................................................................ A.1.79
Table 1.22 System Data—230 kV Parallel Underground Cables ...................................................... A.1.86
Table 1.23 Secondary Impedances..................................................................................................... A.1.86
Table 1.24 LOP Enable Options......................................................................................................... A.1.91
Table 1.25 Tilt Resulting From Nonhomogeneity ............................................................................. A.1.96
Table 1.26 XAG Measurement for Remote AG Fault
(k01 = 0.374 ∠—39.2°, sheath and ground return path)................................................. A.1.98
Table 1.27 XAG Measurement for Remote AG Fault (k01 = 0.385 ∠—46.7°, sheath return path).. A.1.98
Table 1.28 XAG Measurement for Remote AG Fault (k0 = 6.105 ∠44.5°, ground return path)....... A.1.99
Table 1.29 Options for Enabling Pole-Open Logic.......................................................................... A.1.107
Table 1.30 Setting TULO Unlatch Trip Options.............................................................................. A.1.110
Table 1.31 Settings for 230 kV Parallel Cables Example ................................................................ A.1.111
Table 1.32 Positive-Sequence Impedances (Secondary).................................................................. A.1.116
Table 1.33 Automatically Calculated/Hidden Settings .................................................................... A.1.126
Table 1.34 Relay Configuration (Group) ......................................................................................... A.1.126
Table 1.35 Out-of-Step Tripping/Blocking ...................................................................................... A.1.127
Table 1.36 Automatically Calculated/Hidden Settings .................................................................... A.1.133
Table 1.37 Relay Configuration (Group) ......................................................................................... A.1.133
Table 1.38 Out-of-Step Tripping/Blocking ...................................................................................... A.1.133
Table 1.39 Settings for Auto-Reclose Example ............................................................................... A.1.137
Table 1.40 Settings for Auto-Reclose and Synchronism Check Example ....................................... A.1.146
Table 1.41 Secondary Quantities...................................................................................................... A.1.153
Table 1.42 Settings for Circuit Breaker Failure Example 1 ............................................................. A.1.157
Table 1.43 Secondary Quantities...................................................................................................... A.1.159
Table 1.44 Settings for Circuit Breaker Failure Example 2 ............................................................. A.1.165
Table 2.1 Circuit Breaker Monitor Configuration.............................................................................. A.2.2
Table 2.2 Circuit Breaker Maintenance Information—Example ....................................................... A.2.4
Table 2.3 Contact Wear Monitor Settings—Circuit Breaker 1 .......................................................... A.2.5
Table 2.4 Circuit Breaker Monitor Initiate SELOGIC Control Equations........................................... A.2.7
Table 2.5 Circuit Breaker Monitor Close SELOGIC Control Equations............................................. A.2.9
Table 2.6 BRE Command ................................................................................................................ A.2.17
Table 2.7 DC Monitor Settings and Relay Word Bit Alarms........................................................... A.2.22
Table 2.8 Example DC Battery Voltage Conditions......................................................................... A.2.23
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List of Tables
Table 2.9 Example DC Battery Monitor Settings—125 Vdc for Vdc1 and 48 Vdc for Vdc2......... A.2.23
Table 2.10 Example DC Battery Monitor Settings—AC Ripple Voltages......................................... A.2.24
Table 2.11 Example DC Battery Monitor Settings—Ground Detection Factor (EGADVS := Y) .... A.2.25
Table 2.12 MET Command................................................................................................................ A.2.27
Table 2.13 Instantaneous Metering Quantities—Voltages, Currents, Frequency .............................. A.2.28
Table 2.14 Instantaneous Metering Quantities—Powers ................................................................... A.2.29
Table 2.15 Instantaneous Metering Accuracy—Voltages, Currents, and Frequency......................... A.2.30
Table 2.16 Instantaneous Metering Accuracy—Power...................................................................... A.2.30
Table 2.17 Maximum/Minimum Metering Quantities—Voltages, Currents, Frequency,
and Powers ...................................................................................................................... A.2.31
Table 2.18 Demand and Peak Demand Metering Quantities—(LINE) ............................................. A.2.33
Table 2.19 Rolling Demand Calculations .......................................................................................... A.2.34
Table 2.20 Demand Metering Settings............................................................................................... A.2.36
Table 2.21 Energy Metering Quantities—(LINE).............................................................................. A.2.38
Table 3.1 Report Settings ................................................................................................................... A.3.6
Table 3.2 Event Report Nonvolatile Storage Capability .................................................................... A.3.7
Table 3.3 EVE Command ................................................................................................................ A.3.13
Table 3.4 EVE Command Examples................................................................................................ A.3.14
Table 3.5 Event Report Metered Analog Quantities ........................................................................ A.3.15
Table 3.6 Event Types ...................................................................................................................... A.3.29
Table 3.7 SUM Command................................................................................................................ A.3.30
Table 3.8 HIS Command.................................................................................................................. A.3.32
Table 3.9 SER Commands ............................................................................................................... A.3.35
Table 4.1 SEL-421 Voltage and Current Measurement...................................................................... A.4.7
Table 5.1 Global Settings ................................................................................................................... A.5.6
Table 5.2 Breaker Monitor Settings ................................................................................................... A.5.6
Table 5.3 Group Settings.................................................................................................................... A.5.6
Table 5.4 Protection Free-Form SELOGIC Control Equations ........................................................... A.5.8
Table 5.5 Control Inputs................................................................................................................... A.5.12
Table 5.6 Control Outputs (SELOGIC Control Equations) ............................................................... A.5.12
Table 6.1 SEL Communications Processors Protocol Interfaces ....................................................... A.6.3
Table 6.2 SEL Communications Processors Port 1 Settings.............................................................. A.6.5
Table 6.3 SEL Communications Processor Data Collection Automessages...................................... A.6.6
Table 6.4 SEL Communications Processor Port 1 Automatic Messaging Settings ........................... A.6.6
Table 6.5 SEL Communications Processor Port 1 Region Map ........................................................ A.6.7
Table 6.6 SEL Communications Processor METER Region Map .................................................... A.6.7
Table 6.7 SEL Communications Processor TARGET Region........................................................... A.6.9
Table 7.1 DNP3 Serial Feature Summary.......................................................................................... A.7.2
Table 7.2 Ethernet Connection Options ............................................................................................. A.7.4
Table 7.3 Ethernet DNP3 Feature Summary...................................................................................... A.7.6
Table 7.4 SEL-421 PORT 5 Direct Networking Settings .................................................................. A.7.8
Reference Manual
Table 1.1 Available Current Source Selection Settings Combinations ...............................................R.1.4
Table 1.2 Available Current Source Selection Settings Combinations When ESS := Y,
NUMBK := 1 .....................................................................................................................R.1.4
Table 1.3 Available Current Source Selection Settings Combinations When ESS := Y,
NUMBK := 2 .....................................................................................................................R.1.5
Table 1.4 Available Voltage Source-Selection Setting Combinations ................................................R.1.7
Table 1.5 ESS := N, Current and Voltage Source Selection................................................................R.1.8
Table 1.6 ESS := 1, Current and Voltage Source Selection ................................................................R.1.9
Table 1.7 ESS := 2, Current and Voltage Source Selection ..............................................................R.1.10
Table 1.8 ESS := 3, Current and Voltage Source Selection ..............................................................R.1.11
Table 1.9 ESS := 4, Current and Voltage Source Selection ..............................................................R.1.12
Table 1.10 ESS := Y, Tapped Line ......................................................................................................R.1.13
Table 1.11 ESS := Y, Current Polarizing Source ................................................................................R.1.14
Table 1.12 Frequency Estimation........................................................................................................R.1.15
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List of Tables
Table 1.13 Frequency Estimation Outputs ..........................................................................................R.1.15
Table 1.14 Time-Error Calculation Inputs and Outputs......................................................................R.1.17
Table 1.15 Fault Location Triggering Elements..................................................................................R.1.18
Table 1.16 Fault Type..........................................................................................................................R.1.19
Table 1.17 Fault Location Settings......................................................................................................R.1.19
Table 1.18 Fault Location Relay Word Bit .........................................................................................R.1.19
Table 1.19 Open Phase Detection Relay Word Bits............................................................................R.1.20
Table 1.20 Pole Open Logic Settings..................................................................................................R.1.20
Table 1.21 EPO Setting Selections......................................................................................................R.1.21
Table 1.22 Pole Open Logic Relay Word Bits ....................................................................................R.1.21
Table 1.23 LOP Logic Setting.............................................................................................................R.1.24
Table 1.24 LOP Logic Relay Word Bits .............................................................................................R.1.24
Table 1.25 FIDS Relay Word Bits.......................................................................................................R.1.27
Table 1.26 Directional Elements Supervising Ground Elements........................................................R.1.27
Table 1.27 Ground Directional Element Settings ...............................................................................R.1.28
Table 1.28 Ground Directional Element Settings AUTO Calculations...............................................R.1.28
Table 1.29 Ground Directional Element Enables................................................................................R.1.30
Table 1.30 Ground Directional Element Relay Word Bits..................................................................R.1.32
Table 1.31 Reference Table for Figure 1.21, Figure 1.22, and Figure 1.23 ........................................R.1.36
Table 1.32 Vector Definitions for Equation 1.1 through Equation 1.11..............................................R.1.36
Table 1.33 Phase and Negative-Sequence Directional Elements Relay Word Bits ............................R.1.38
Table 1.34 Zone Directional Settings..................................................................................................R.1.40
Table 1.35 CVT Transient Detection Logic Setting............................................................................R.1.40
Table 1.36 CVT Transient Detection Logic Relay Word Bit ..............................................................R.1.40
Table 1.37 Series-Compensation Line Logic Relay Settings..............................................................R.1.41
Table 1.38 Load-Encroachment Logic Relay Settings........................................................................R.1.43
Table 1.39 Load-Encroachment Logic Relay Word Bits ....................................................................R.1.43
Table 1.40 OOS Logic Relay Settings ................................................................................................R.1.45
Table 1.41 OOS Logic Relay Word Bits.............................................................................................R.1.46
Table 1.42 Mho Ground Distance Element Settings...........................................................................R.1.50
Table 1.43 Mho Ground Distance Elements Relay Word Bits............................................................R.1.50
Table 1.44 Quadrilateral Ground Distance Element Settings .............................................................R.1.54
Table 1.45 Quadrilateral Ground Distance Elements Relay Word Bits ..............................................R.1.55
Table 1.46 Mho Phase Distance Element Settings..............................................................................R.1.58
Table 1.47 Mho Phase Distance Elements Relay Word Bits...............................................................R.1.58
Table 1.48 Zone Delay Settings ..........................................................................................................R.1.62
Table 1.49 Zone Time Delay Relay Word Bits ...................................................................................R.1.62
Table 1.50 Phase Overcurrent Element Settings .................................................................................R.1.64
Table 1.51 Negative-Sequence Overcurrent Element Settings............................................................R.1.65
Table 1.52 Residual Ground Overcurrent Element Settings ...............................................................R.1.65
Table 1.53 Phase Instantaneous/Definite-Time Line Overcurrent Relay Word Bits...........................R.1.66
Table 1.54 Negative-Sequence Instantaneous/Definite-Time Line Overcurrent Relay Word Bits .....R.1.66
Table 1.55 Residual Ground Instantaneous/Definite-Time Line Overcurrent Relay Word Bits.........R.1.66
Table 1.56 Selectable Current Quantities............................................................................................R.1.71
Table 1.57 Selectable Inverse-Time Overcurrent Settings ..................................................................R.1.71
Table 1.58 Selectable Inverse-Time Overcurrent Relay Word Bits ....................................................R.1.72
Table 1.59 Equations Associated With U.S. Curves ...........................................................................R.1.73
Table 1.60 Equations Associated With IEC Curves............................................................................R.1.73
Table 1.61 SOTF Settings ...................................................................................................................R.1.85
Table 1.62 SOTF Relay Word Bits......................................................................................................R.1.85
Table 1.63 ECOMM Setting ...............................................................................................................R.1.87
Table 1.64 DCB Settings.....................................................................................................................R.1.90
Table 1.65 DCB Relay Word Bits .......................................................................................................R.1.90
Table 1.66 POTT Settings ...................................................................................................................R.1.94
Table 1.67 POTT Relay Word Bits .....................................................................................................R.1.95
Table 1.68 DCUB Settings................................................................................................................R.1.101
Table 1.69 DCUB Relay Word Bits ..................................................................................................R.1.102
Table 1.70 Additional Settings for Single Pole Tripping (SPT) .......................................................R.1.105
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Table 1.71 Setting TULO Unlatch Trip Options...............................................................................R.1.107
Table 1.72 Trip Logic Settings..........................................................................................................R.1.108
Table 1.73 Trip Logic Relay Word Bits ............................................................................................R.1.109
Table 1.74 Circuit Breaker Failure Protection Logic Settings ..........................................................R.1.122
Table 1.75 Circuit Breaker Failure Relay Word Bits ........................................................................R.1.122
Table 2.1 Auto-Reclose Logical States for Circuit Breaker 1.............................................................R.2.4
Table 2.2 One-Circuit-Breaker Three-Pole Reclosing Initial Settings................................................R.2.8
Table 2.3 One-Circuit-Breaker Single-Pole Reclose Initial Settings ..................................................R.2.8
Table 2.4 One Circuit Breaker Modes of Operation ...........................................................................R.2.9
Table 2.5 Dynamic Leader/Follower Settings...................................................................................R.2.17
Table 2.6 Leader/Follower Selection ................................................................................................R.2.18
Table 2.7 Example One: Reset and 79CY3 States ............................................................................R.2.18
Table 2.8 Example One: Lockout State.............................................................................................R.2.19
Table 2.9 Example One: Reset State After Reclaim Time................................................................R.2.19
Table 2.10 Leader/Follower Selection ................................................................................................R.2.20
Table 2.11 Example Two: Initial Reset State ......................................................................................R.2.20
Table 2.12 Example Two: Final Reset State .......................................................................................R.2.20
Table 2.13 Leader/Follower Selection ................................................................................................R.2.21
Table 2.14 Example Three: Reset State ..............................................................................................R.2.21
Table 2.15 Example Three: Three-Pole Cycle State ...........................................................................R.2.21
Table 2.16 Example Three: Lockout State, BK1 ................................................................................R.2.22
Table 2.17 Leader/Follower Selection ................................................................................................R.2.22
Table 2.18 Two Circuit Breakers: Circuit Breaker BK1 Out of Service.............................................R.2.23
Table 2.19 Two-Circuit-Breaker Three-Pole Reclose Initial Settings.................................................R.2.24
Table 2.20 Two-Circuit-Breaker Single-Pole Reclose Initial Settings................................................R.2.24
Table 2.21 Circuit Breaker BK1 Modes of Operation ........................................................................R.2.25
Table 2.22 Circuit Breaker BK2 Modes of Operation ........................................................................R.2.25
Table 2.23 Trip Logic Enable Options ................................................................................................R.2.26
Table 2.24 Auto-Reclose Logic Settings.............................................................................................R.2.46
Table 2.25 Auto-Reclose Logic Relay Word Bits...............................................................................R.2.48
Table 2.26 Synchronism-Check Relay Word Bits...............................................................................R.2.54
Table 3.1 Advanced SEL-421 SELOGIC Control Equation Features ..................................................R.3.1
Table 3.2 SEL-421 SELOGIC Control Equation Programming Summary ..........................................R.3.2
Table 3.3 Definitions for Active Setting Group Indication Relay Word Bits SG1 Through SG6 ......R.3.9
Table 3.4 Definitions for Active Setting Group Switching SELOGIC Control Equation
Settings SS1 Through SS6 .................................................................................................R.3.9
Table 3.5 Summary of SELOGIC Control Equation Elements ..........................................................R.3.12
Table 3.6 First Execution Bit Operation on Power-Up .....................................................................R.3.13
Table 3.7 First Execution Bit Operation on Automation Settings Change .......................................R.3.13
Table 3.8 First Execution Bit Operation on Protection Settings Change, Group Switch,
and Source Selection........................................................................................................R.3.13
Table 3.9 SELOGIC Control Equation Variable Quantities ...............................................................R.3.13
Table 3.10 SELOGIC Control Equation Math Variable Quantities ......................................................R.3.14
Table 3.11 Latch Bit Quantities ..........................................................................................................R.3.15
Table 3.12 Latch Bit Parameters .........................................................................................................R.3.15
Table 3.13 Conditioning Timer Quantities..........................................................................................R.3.17
Table 3.14 Conditioning Timer Parameters ........................................................................................R.3.17
Table 3.15 Sequencing Timer Quantities ............................................................................................R.3.21
Table 3.16 Sequencing Timer Parameters...........................................................................................R.3.21
Table 3.17 Counter Quantities.............................................................................................................R.3.23
Table 3.18 Counter Parameters ...........................................................................................................R.3.23
Table 3.19 Operator Precedence from Highest to Lowest ..................................................................R.3.25
Table 3.20 Boolean Operator Summary..............................................................................................R.3.26
Table 3.21 Parentheses Operation in Boolean Equation .....................................................................R.3.26
Table 3.22 NOT Operator Truth Table ................................................................................................R.3.27
Table 3.23 AND Operator Truth Table ...............................................................................................R.3.27
Table 3.24 OR Operator Truth Table...................................................................................................R.3.27
Table 3.25 Comparison Operations.....................................................................................................R.3.29
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List of Tables
Table 3.26 Math Operator Summary...................................................................................................R.3.30
Table 3.27 Math Error Examples ........................................................................................................R.3.30
Table 3.28 SEL-311 Series Relays and SEL-421 SELOGIC Control Equation
Programming Features .....................................................................................................R.3.37
Table 3.29 SEL-311 Series Relays and SEL-421 SELOGIC Control Equation Boolean Operators....R.3.37
Table 4.1 SEL-421 Communications Protocols..................................................................................R.4.1
Table 4.2 EIA-232 Pin Assignments...................................................................................................R.4.3
Table 4.3 Ethernet Card Network Configuration Settings ..................................................................R.4.5
Table 4.4 DEFRTR Address Setting Examples...................................................................................R.4.6
Table 4.5 IP Network Address Resolution Settings ............................................................................R.4.7
Table 4.6 Basic File Structure .............................................................................................................R.4.8
Table 4.7 Ethernet Card FTP Settings.................................................................................................R.4.9
Table 4.8 Ethernet Card Telnet Settings..............................................................................................R.4.9
Table 4.9 Control Characters.............................................................................................................R.4.10
Table 4.10 Ethernet Card Command Summary ..................................................................................R.4.11
Table 4.11 Ethernet Card Access Levels.............................................................................................R.4.11
Table 4.12 Access Level User Names and Passwords ........................................................................R.4.12
Table 4.13 DATE Command ...............................................................................................................R.4.13
Table 4.14 HELP Command Options..................................................................................................R.4.16
Table 4.15 ID Command Internal Parameters Displayed....................................................................R.4.16
Table 4.16 PING Command Options ..................................................................................................R.4.17
Table 4.17 TIME Command ...............................................................................................................R.4.18
Table 4.18 Communications Card Database Regions .........................................................................R.4.19
Table 4.19 SEL-421 Communications Card Database Structure—LOCAL Region ..........................R.4.19
Table 4.20 SEL-421 Communications Card Database Structure—METER Region..........................R.4.20
Table 4.21 SEL-421 Communications Card Database Structure—DEMAND Region ......................R.4.21
Table 4.22 SEL-421 Communications Card Database Structure—TARGET Region ........................R.4.22
Table 4.23 SEL-421 Communications Card Database Structure—HISTORY Region ......................R.4.23
Table 4.24 SEL-421 Communications Card Database Structure—BREAKER Region.....................R.4.23
Table 4.25 SEL-421 Communications Card Database Structure—STATUS Region .........................R.4.24
Table 4.26 SEL-421 Communications Card Database Structure—ANALOGS Region.....................R.4.25
Table 4.27 SEL-421 Communications Card Database Structure—STATE Region............................R.4.25
Table 5.1 Hardware Handshaking .......................................................................................................R.5.1
Table 5.2 Supported Serial Command Sets.........................................................................................R.5.2
Table 5.3 Selected ASCII Control Characters.....................................................................................R.5.4
Table 5.4 Compressed ASCII Commands ..........................................................................................R.5.5
Table 5.5 Fast Commands and Response Descriptions.......................................................................R.5.9
Table 5.6 Fast Operate Command Types ............................................................................................R.5.9
Table 5.7 Fast Message Command Function Codes Used With Fast SER (A546 Message)
and Relay Response Descriptions ....................................................................................R.5.10
Table 5.8 Commands in Recommended Sequence for Automatic Configuration ............................R.5.10
Table 5.9 Virtual File Structure.........................................................................................................R.5.11
Table 5.10 Settings Directory Files.....................................................................................................R.5.13
Table 5.11 REPORTS Directory Files ................................................................................................R.5.13
Table 5.12 EVENTS Directory Files (for event 10001)......................................................................R.5.14
Table 5.13 CARD Subdirectory ..........................................................................................................R.5.14
Table 5.14 MIRRORED BITS Communications Features......................................................................R.5.15
Table 5.15 General Port Settings Used With MIRRORED BITS Communications ...............................R.5.19
Table 5.16 MIRRORED BITS Communications Protocol Settings ........................................................R.5.20
Table 5.17 MIRRORED BITS Communications Message Transmission Period....................................R.5.21
Table 5.18 MIRRORED BITS Communications ID Settings for Three-Terminal Application..............R.5.21
Table 5.19 SEL-2885 Initialization String [MODE PREFIX ADDR:SPEED] ..................................R.5.22
Table 5.20 RTD Status Bits.................................................................................................................R.5.23
Table 5.21 MET T Command Status Messages ..................................................................................R.5.24
Table 6.1 DNP3 Implementation Levels .............................................................................................R.6.2
Table 6.2 Selected DNP3 Function Codes ..........................................................................................R.6.3
Table 6.3 DNP Access Methods..........................................................................................................R.6.4
Table 6.4 DNP Access Methods..........................................................................................................R.6.5
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Table 6.5 SEL-421 Event Buffer Capacity..........................................................................................R.6.7
Table 6.6 SEL-421 Port DNP Protocol Settings .................................................................................R.6.9
Table 6.7 SEL-421 DNP Map Settings .............................................................................................R.6.10
Table 6.8 SEL-421 DNP3 Device Profile .........................................................................................R.6.12
Table 6.9 SEL-421 DNP Object List.................................................................................................R.6.13
Table 6.10 SEL-421 DNP3 Default Data Map....................................................................................R.6.17
Table 6.11 SEL-421 Object 1, 2 Relay Word Bit Mapping ................................................................R.6.21
Table 6.12 Object 1, 2 Indices 1600—1615 Front-Panel Targets .......................................................R.6.23
Table 6.13 Object 30, 32, Index 176 Upper Byte—Event Cause........................................................R.6.24
Table 6.14 Object 30, I32, Index 176 Lower Byte—Fault Type.........................................................R.6.24
Table 6.15 SEL-421 Object 12 Trip/Close Pair Operation .................................................................R.6.25
Table 6.16 SEL-421 Object 12 Code Selection Operation .................................................................R.6.26
Table 6.17 DNP3 Application Example Data Map.............................................................................R.6.27
Table 6.18 SEL-421 Port 3 Example Settings.....................................................................................R.6.30
Table 6.19 DNP LAN/WAN Access Methods ....................................................................................R.6.33
Table 6.20 SEL-421 Ethernet Port DNP3 Protocol Settings...............................................................R.6.35
Table 6.21 SEL-421 DNP LAN/WAN Map Settings..........................................................................R.6.38
Table 6.22 SEL-421 Binary Output CPId Values................................................................................R.6.40
Table 6.23 SEL-421 DNP LAN/WAN Device Profile ........................................................................R.6.41
Table 6.24 SEL-421 DNP3 Object List...............................................................................................R.6.42
Table 6.25 SEL-421 DNP LAN/WAN Object 12 Control Point Operation........................................R.6.48
Table 6.26 DNP LAN/WAN Application Example Custom Data Map ..............................................R.6.50
Table 6.27 DNP LAN/WAN Application Example Protocol Settings................................................R.6.50
Table 6.28 DNP LAN/WAN Application Example Binary Input Map...............................................R.6.52
Table 6.29 DNP LAN/WAN Application Example Binary Output Map ............................................R.6.52
Table 6.30 DNP LAN/WAN Application Example Analog Input Map..............................................R.6.52
Table 6.31 DNP LAN/WAN Application Example Analog Output Map ...........................................R.6.53
Table 7.1 PMU Settings in the SEL-421 for C37.118 Protocol in Global Setting............................R.7.10
Table 7.2 Time and Date Management .............................................................................................R.7.11
Table 7.3 SEL-421 Serial Port Settings for Synchrophasors ............................................................R.7.11
Table 7.4 SEL-421 Ethernet Port Settings for Synchrophasors ........................................................R.7.12
Table 7.5 Synchrophasor Order in Data Stream (Voltages and Currents).........................................R.7.14
Table 7.6 User-Defined Analog Values Selected by the NUMANA Setting ....................................R.7.16
Table 7.7 User-Defined Digital Status Words Selected by the NUMDSW Setting ..........................R.7.17
Table 7.8 PM Trigger Reason Bits—IEEE C37.118 Assignments ...................................................R.7.17
Table 7.9 Synchrophasor Trigger Relay Word Bits ..........................................................................R.7.19
Table 7.10 Time Synchronization Relay Word Bits............................................................................R.7.19
Table 7.11 Synchrophasor Client Status Bits......................................................................................R.7.19
Table 7.12 Remote Synchrophasor Data Bits .....................................................................................R.7.20
Table 7.13 Synchrophasor Analog Quantities.....................................................................................R.7.20
Table 7.14 Synchrophasor Aligned Analog Quantities.......................................................................R.7.22
Table 7.15 Size of a C37.118 Synchrophasor Message ......................................................................R.7.26
Table 7.16 Serial Port Bandwidth for Synchrophasors (in Bytes) ......................................................R.7.27
Table 7.17 Example Synchrophasor Global Settings..........................................................................R.7.29
Table 7.18 Example Synchrophasor Protection Free-Form Logic Settings........................................R.7.30
Table 7.19 Example Synchrophasor Port Settings ..............................................................................R.7.30
Table 7.20 Fast Message Command Function Codes for Synchrophasor Fast Write .........................R.7.31
Table 7.21 PMU Settings in the SEL-421 for SEL Fast Message Protocol, in Global Settings .........R.7.32
Table 7.22 SEL Fast Message Voltage and Current Selections Based on PHDATAV
and PHDATAI ..................................................................................................................R.7.33
Table 7.23 SEL Fast Message Voltage and Current Synchrophasor Sources .....................................R.7.33
Table 7.24 SEL Fast Message Current Channel cDefinition .............................................................R.7.34
Table 7.25 Synchrophasor Voltage and Current Settings Conversion From Previous SEL-421
Firmware Version.............................................................................................................R.7.34
Table 7.26 Synchrophasor Current Source Settings Conversion From Previous SEL-421
Firmware Version.............................................................................................................R.7.34
Table 7.27 Size of an SEL Fast Message Synchrophasor Message ....................................................R.7.35
Table 7.28 Serial Port Bandwidth for Synchrophasors (in Bytes) ......................................................R.7.35
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List of Tables
Table 8.1 IEC 61850 Document Set....................................................................................................R.8.2
Table 8.2 Example IEC 61850 Descriptor Components .....................................................................R.8.4
Table 8.3 SEL-421 Logical Devices ...................................................................................................R.8.4
Table 8.4 Buffered Report Control Block Client Access ....................................................................R.8.6
Table 8.5 Unbuffered Report Control Block Client Access................................................................R.8.7
Table 8.6 IEC 61850 Settings............................................................................................................R.8.12
Table 8.7 ICD Logical Nodes Summary ...........................................................................................R.8.14
Table 8.8 Logical Device: PRO (Protection).....................................................................................R.8.16
Table 8.9 Logical Device: MET (Metering)......................................................................................R.8.20
Table 8.10 Logical Device: CON (Remote Control)...........................................................................R.8.21
Table 8.11 Logical Device: ANN (Annunciation) ..............................................................................R.8.22
Table 8.12 PICS for A-Profile Support ...............................................................................................R.8.31
Table 8.13 PICS for T-Profile Support................................................................................................R.8.31
Table 8.14 MMS Service Supported Conformance ............................................................................R.8.31
Table 8.15 MMS Parameter CBB .......................................................................................................R.8.34
Table 8.16 AlternateAccessSelection Conformance Statement..........................................................R.8.34
Table 8.17 VariableAccessSpecification Conformance Statement .....................................................R.8.34
Table 8.18 VariableSpecification Conformance Statement.................................................................R.8.35
Table 8.19 Read Conformance Statement...........................................................................................R.8.35
Table 8.20 GetVariableAccessAttributes Conformance Statement.....................................................R.8.35
Table 8.21 DefineNamedVariableList Conformance Statement .........................................................R.8.35
Table 8.22 GetNamedVariableListAttributes Conformance Statement ..............................................R.8.36
Table 8.23 DeleteNamedVariableList Conformance Statement..........................................................R.8.36
Table 8.24 GOOSE Conformance.......................................................................................................R.8.36
Table 8.25 ACSI Basic Conformance Statement ................................................................................R.8.37
Table 8.26 ACSI Models Conformance Statement .............................................................................R.8.37
Table 8.27 ACSI Services Conformance Statement............................................................................R.8.38
Table 9.1 2AC Command....................................................................................................................R.9.2
Table 9.2 AAC Command...................................................................................................................R.9.2
Table 9.3 ACC Command ...................................................................................................................R.9.2
Table 9.4 BAC Command ...................................................................................................................R.9.2
Table 9.5 BNA Command...................................................................................................................R.9.2
Table 9.6 BRE n Command ................................................................................................................R.9.3
Table 9.7 BRE n C and BRE n R Commands.....................................................................................R.9.3
Table 9.8 BRE C A and BRE R A Commands ...................................................................................R.9.3
Table 9.9 BRE n H Command.............................................................................................................R.9.3
Table 9.10 BRE n P Command .............................................................................................................R.9.4
Table 9.11 CAL Command ...................................................................................................................R.9.4
Table 9.12 CAS Command ...................................................................................................................R.9.4
Table 9.13 CBR Command ...................................................................................................................R.9.4
Table 9.14 CBR TERSE Command ......................................................................................................R.9.5
Table 9.15 CEV Command ...................................................................................................................R.9.5
Table 9.16 CEV ACK Command..........................................................................................................R.9.5
Table 9.17 CEV C Command................................................................................................................R.9.6
Table 9.18 CEV L Command................................................................................................................R.9.6
Table 9.19 CEV Lyyy Command..........................................................................................................R.9.6
Table 9.20 CEV N Command ...............................................................................................................R.9.7
Table 9.21 CEV NSET Command ........................................................................................................R.9.7
Table 9.22 CEV NSUM Command.......................................................................................................R.9.7
Table 9.23 CEV Sx Command ..............................................................................................................R.9.7
Table 9.24 CEV TERSE Command ......................................................................................................R.9.8
Table 9.25 CEV Command Option Groups ..........................................................................................R.9.8
Table 9.26 CHI Command ....................................................................................................................R.9.9
Table 9.27 CHI TERSE Command .......................................................................................................R.9.9
Table 9.28 CLOSE n Command............................................................................................................R.9.9
Table 9.29 COM c Command .............................................................................................................R.9.10
Table 9.30 COM c C and COM c R Command ..................................................................................R.9.11
Table 9.31 COM c L Command..........................................................................................................R.9.11
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List of Tables
Table 9.32 COM RTC c Command.....................................................................................................R.9.12
Table 9.33 COM RTC c C and COM RTC c R Command .................................................................R.9.12
Table 9.34 CON nn Command............................................................................................................R.9.12
Table 9.35 COPY Command...............................................................................................................R.9.13
Table 9.36 CSE Command..................................................................................................................R.9.14
Table 9.37 CSE TERSE Command.....................................................................................................R.9.14
Table 9.38 CST Command..................................................................................................................R.9.15
Table 9.39 CSU Command .................................................................................................................R.9.15
Table 9.40 CEV ACK Command........................................................................................................R.9.16
Table 9.41 CSU MB Command ..........................................................................................................R.9.16
Table 9.42 CSU N Command..............................................................................................................R.9.16
Table 9.43 CSU TERSE Command ....................................................................................................R.9.16
Table 9.44 DATE Command ...............................................................................................................R.9.17
Table 9.45 DNA Command.................................................................................................................R.9.17
Table 9.46 DNP Command .................................................................................................................R.9.17
Table 9.47 EVE Command .................................................................................................................R.9.18
Table 9.48 EVE A Command..............................................................................................................R.9.18
Table 9.49 EVE ACK Command ........................................................................................................R.9.18
Table 9.50 EVE C Command..............................................................................................................R.9.19
Table 9.51 EVE D Command..............................................................................................................R.9.19
Table 9.52 EVE L Command ..............................................................................................................R.9.19
Table 9.53 EVE Lyyy Command ........................................................................................................R.9.19
Table 9.54 EVE N Command..............................................................................................................R.9.20
Table 9.55 EVE NSET Command ......................................................................................................R.9.20
Table 9.56 EVE NSUM Command.....................................................................................................R.9.20
Table 9.57 EVE Sx Command ............................................................................................................R.9.20
Table 9.58 EVE Command Option Groups.........................................................................................R.9.21
Table 9.59 EVE Command Examples.................................................................................................R.9.21
Table 9.60 FILE Command.................................................................................................................R.9.22
Table 9.61 GROUP Command............................................................................................................R.9.22
Table 9.62 HELP Command ...............................................................................................................R.9.23
Table 9.63 HIS Command...................................................................................................................R.9.23
Table 9.64 HIS C and HIS R Commands............................................................................................R.9.23
Table 9.65 HIS CA and HIS RA Commands......................................................................................R.9.24
Table 9.66 ID Command .....................................................................................................................R.9.24
Table 9.67 IRIG Command .................................................................................................................R.9.25
Table 9.68 LOOP Command...............................................................................................................R.9.26
Table 9.69 LOOP DATA Command....................................................................................................R.9.27
Table 9.70 LOOP R Command ...........................................................................................................R.9.27
Table 9.71 MAP 1 Command..............................................................................................................R.9.27
Table 9.72 MAP 1 Region Command .................................................................................................R.9.28
Table 9.73 MET Command.................................................................................................................R.9.28
Table 9.74 MET AMV Command ......................................................................................................R.9.29
Table 9.75 MET ANA Command .......................................................................................................R.9.29
Table 9.76 MET BAT Command ........................................................................................................R.9.29
Table 9.77 MET D Command.............................................................................................................R.9.30
Table 9.78 MET E Command .............................................................................................................R.9.30
Table 9.79 MET M Command ............................................................................................................R.9.31
Table 9.80 MET PM Command..........................................................................................................R.9.31
Table 9.81 MET PMV Command .......................................................................................................R.9.32
Table 9.82 MET RMS Command .......................................................................................................R.9.32
Table 9.83 MET RTC Command ........................................................................................................R.9.33
Table 9.84 MET SYN Command........................................................................................................R.9.33
Table 9.85 MET T Command .............................................................................................................R.9.33
Table 9.86 OAC Command .................................................................................................................R.9.34
Table 9.87 OPEN n Command............................................................................................................R.9.34
Table 9.88 PAC Command ..................................................................................................................R.9.35
Table 9.89 PAS level new_password Command .................................................................................R.9.35
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Table 9.90 PAS level DISABLE Command........................................................................................R.9.35
Table 9.91 PORT p Command ............................................................................................................R.9.36
Table 9.92 PORT KILL n Command ..................................................................................................R.9.36
Table 9.93 PUL OUTnnn Command ..................................................................................................R.9.37
Table 9.94 QUIT Command................................................................................................................R.9.37
Table 9.95 RTC Command..................................................................................................................R.9.38
Table 9.96 SER Command..................................................................................................................R.9.38
Table 9.97 SER C and SER R Commands..........................................................................................R.9.38
Table 9.98 SER CA and SER RA Commands ....................................................................................R.9.39
Table 9.99 SER CV or SER RV Commands.......................................................................................R.9.39
Table 9.100 SER D Command..............................................................................................................R.9.39
Table 9.101 SET Command Overview .................................................................................................R.9.40
Table 9.102 SET A Command ..............................................................................................................R.9.41
Table 9.103 SET D Command ..............................................................................................................R.9.41
Table 9.104 SET F Command...............................................................................................................R.9.41
Table 9.105 SET G Command ..............................................................................................................R.9.42
Table 9.106 SET L Command...............................................................................................................R.9.42
Table 9.107 SET M Command..............................................................................................................R.9.42
Table 9.108 SET O Command ..............................................................................................................R.9.42
Table 9.109 SET P Command...............................................................................................................R.9.43
Table 9.110 SET R Command ..............................................................................................................R.9.43
Table 9.111 SET T Command...............................................................................................................R.9.43
Table 9.112 SET TERSE Command Examples ....................................................................................R.9.44
Table 9.113 SHO Command Overview.................................................................................................R.9.44
Table 9.114 SHO A Command .............................................................................................................R.9.45
Table 9.115 SHO D Command .............................................................................................................R.9.45
Table 9.116 SHO F Command..............................................................................................................R.9.45
Table 9.117 SHO G Command .............................................................................................................R.9.46
Table 9.118 SHO L Command..............................................................................................................R.9.46
Table 9.119 SHO M Command.............................................................................................................R.9.46
Table 9.120 SHO O Command .............................................................................................................R.9.46
Table 9.121 SHO P Command..............................................................................................................R.9.47
Table 9.122 SHO R Command..............................................................................................................R.9.47
Table 9.123 SHO T Command..............................................................................................................R.9.47
Table 9.124 SNS Command..................................................................................................................R.9.48
Table 9.125 STA Command ..................................................................................................................R.9.48
Table 9.126 STA A Command ..............................................................................................................R.9.48
Table 9.127 STA C and STA R Command............................................................................................R.9.48
Table 9.128 STA S Command...............................................................................................................R.9.49
Table 9.129 STA SC and STA SR Command .......................................................................................R.9.49
Table 9.130 SUM Command.................................................................................................................R.9.49
Table 9.131 SUM ACK Command .......................................................................................................R.9.50
Table 9.132 SUM N Command.............................................................................................................R.9.50
Table 9.133 TAR Command..................................................................................................................R.9.50
Table 9.134 TAR ALL Command.........................................................................................................R.9.51
Table 9.135 TAR R Command..............................................................................................................R.9.51
Table 9.136 TAR X Command..............................................................................................................R.9.51
Table 9.137 TEC Command..................................................................................................................R.9.52
Table 9.138 TEST DB Command .........................................................................................................R.9.52
Table 9.139 TEST DB OFF Command.................................................................................................R.9.53
Table 9.140 TEST DNP Command.......................................................................................................R.9.53
Table 9.141 TEST DNP Command.......................................................................................................R.9.54
Table 9.142 TEST FM Command.........................................................................................................R.9.54
Table 9.143 TEST FM DEM Command ...............................................................................................R.9.55
Table 9.144 TEST FM OFF Command.................................................................................................R.9.55
Table 9.145 TEST FM PEAK Command .............................................................................................R.9.56
Table 9.146 TIME Command ...............................................................................................................R.9.56
Table 9.147 TIME Q Command............................................................................................................R.9.56
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Date Code 20090715 SEL-421 Relay
List of Tables
Table 9.148 TRI Command...................................................................................................................R.9.57
Table 9.149 VER Command .................................................................................................................R.9.57
Table 9.150 VIEW 1 Commands—Region...........................................................................................R.9.59
Table 9.151 VIEW 1 Commands—Register Item.................................................................................R.9.59
Table 9.152 VIEW 1 Commands—Bit .................................................................................................R.9.60
Table 10.1 Default Alias Settings........................................................................................................R.10.4
Table 10.2 Global Settings Categories ................................................................................................R.10.4
Table 10.3 General Global Settings ....................................................................................................R.10.5
Table 10.4 Global Enables ..................................................................................................................R.10.5
Table 10.5 Station DC1 Monitor (and Station DC2 Monitor) ............................................................R.10.5
Table 10.6 Control Inputs....................................................................................................................R.10.6
Table 10.7 Main Board Control Inputs ...............................................................................................R.10.6
Table 10.8 Interface Board #1 Control Inputs.....................................................................................R.10.7
Table 10.9 Interface Board #2 Control Inputs.....................................................................................R.10.7
Table 10.10 Settings Group Selection...................................................................................................R.10.8
Table 10.11 Data Reset Control ............................................................................................................R.10.8
Table 10.12 Frequency Estimation........................................................................................................R.10.8
Table 10.13 Time-Error Calculation .....................................................................................................R.10.9
Table 10.14 Current and Voltage Source Selection...............................................................................R.10.9
Table 10.15 Synchronized Phasor Measurement ..................................................................................R.10.9
Table 10.16 Time and Date Management ...........................................................................................R.10.10
Table 10.17 Breaker Monitor Settings Categories ..............................................................................R.10.11
Table 10.18 Breaker Configuration.....................................................................................................R.10.11
Table 10.19 Breaker 1 Inputs ..............................................................................................................R.10.12
Table 10.20 Breaker 2 Inputs ..............................................................................................................R.10.12
Table 10.21 Breaker 1 Monitor (and Breaker 2 Monitor)...................................................................R.10.12
Table 10.22 Breaker 1 Contact Wear (and Breaker 2 Contact Wear)..................................................R.10.13
Table 10.23 Breaker 1 Electrical Operating Time (and Breaker 2 Electrical Operating Time) ..........R.10.13
Table 10.24 Breaker 1 Mechanical Operating Time (and Breaker 2 Mechanical Operating Time) ...R.10.13
Table 10.25 Breaker 1 Pole Scatter and Pole Discrepancy (and Breaker 2 Pole Scatter and Pole
Discrepancy) ..................................................................................................................R.10.13
Table 10.26 Breaker 1 Inactivity Time Elapsed (and Breaker 2 Inactivity Time Elapsed).................R.10.13
Table 10.27 Breaker 1 Motor Running Time (and Breaker 2 Motor Running Time) .........................R.10.14
Table 10.28 Breaker 1 Current Interrupted (and Breaker 2 Current Interrupted) ...............................R.10.14
Table 10.29 Group Settings Categories...............................................................................................R.10.14
Table 10.30 Line Configuration ..........................................................................................................R.10.15
Table 10.31 Relay Configuration ........................................................................................................R.10.16
Table 10.32 Mho Phase Distance Element Reach...............................................................................R.10.16
Table 10.33 Series Compensation .......................................................................................................R.10.17
Table 10.34 Mho Phase Distance Element Time Delay......................................................................R.10.17
Table 10.35 Mho Ground Distance Element Reach............................................................................R.10.17
Table 10.36 Quad Ground Distance Element Reach...........................................................................R.10.18
Table 10.37 Zero-Sequence Compensation Factor .............................................................................R.10.19
Table 10.38 Ground Distance Element Time Delay ...........................................................................R.10.19
Table 10.39 Distance Element Common Time Delay.........................................................................R.10.19
Table 10.40 Switch-Onto-Fault Scheme .............................................................................................R.10.20
Table 10.41 Out-of-Step Tripping/Blocking .......................................................................................R.10.20
Table 10.42 Load Encroachment.........................................................................................................R.10.21
Table 10.43 Phase Instantaneous Overcurrent Pickup ........................................................................R.10.22
Table 10.44 Phase Definite-Time Overcurrent Time Delay................................................................R.10.22
Table 10.45 Phase Instantaneous Definite-Time Overcurrent Torque Control ...................................R.10.22
Table 10.46 Residual Ground Instantaneous Overcurrent Pickup ......................................................R.10.22
Table 10.47 Residual Ground Definite-Time Overcurrent Time Delay..............................................R.10.23
Table 10.48 Residual Ground Instantaneous Definite-Time Overcurrent Torque Control .................R.10.23
Table 10.49 Negative-Sequence Instantaneous Overcurrent Pickup...................................................R.10.23
Table 10.50 Negative-Sequence Definite-Time Overcurrent Time Delay ..........................................R.10.24
Table 10.51 Negative-Sequence Instantaneous Definite-Time Overcurrent Torque Control..............R.10.24
Table 10.52 Selectable Operating Quantity Inverse Time Overcurrent Element 1 .............................R.10.24
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SEL-421 Relay Date Code 20090715
List of Tables
Table 10.53 Selectable Operating Quantity Inverse Time Overcurrent Element 2 .............................R.10.25
Table 10.54 Selectable Operating Quantity Inverse Time Overcurrent Element 3 .............................R.10.25
Table 10.55 Zone/Level Direction ......................................................................................................R.10.26
Table 10.56 Directional Control Element ...........................................................................................R.10.26
Table 10.57 Pole Open Detection........................................................................................................R.10.26
Table 10.58 POTT Trip Scheme..........................................................................................................R.10.27
Table 10.59 DCUB Trip Scheme ........................................................................................................R.10.27
Table 10.60 DCB Trip Scheme ...........................................................................................................R.10.28
Table 10.61 Breaker 1 Failure Logic (and Breaker 2 Failure Logic) ..................................................R.10.28
Table 10.62 Synchronism Check Element Reference .........................................................................R.10.29
Table 10.63 Breaker 1 Synchronism Check........................................................................................R.10.29
Table 10.64 Breaker 2 Synchronism Check........................................................................................R.10.30
Table 10.65 Recloser and Manual Closing .........................................................................................R.10.30
Table 10.66 Single-Pole Reclose Settings...........................................................................................R.10.31
Table 10.67 Three-Pole Reclose Settings............................................................................................R.10.32
Table 10.68 Voltage Elements.............................................................................................................R.10.33
Table 10.69 Demand Metering............................................................................................................R.10.33
Table 10.70 Trip Logic........................................................................................................................R.10.33
Table 10.71 Protection Free-Form SELOGIC Control Equations ........................................................R.10.35
Table 10.72 Output Settings Categories..............................................................................................R.10.35
Table 10.73 Main Board......................................................................................................................R.10.35
Table 10.74 Interface Board #1...........................................................................................................R.10.36
Table 10.75 Interface Board #2...........................................................................................................R.10.36
Table 10.76 Communications Card Outputs .......................................................................................R.10.36
Table 10.77 MIRRORED BITS Transmit Equations ..............................................................................R.10.37
Table 10.78 Front-Panel Settings Categories ......................................................................................R.10.37
Table 10.79 Front Panel Settings ........................................................................................................R.10.37
Table 10.80 Selectable Screens for the Front Panel ............................................................................R.10.42
Table 10.81 Selectable Operator Pushbuttons.....................................................................................R.10.43
Table 10.82 Front-Panel Event Display ..............................................................................................R.10.43
Table 10.83 Boolean Display Points ...................................................................................................R.10.43
Table 10.84 Analog Display Points.....................................................................................................R.10.44
Table 10.85 Local Control and Aliases ...............................................................................................R.10.44
Table 10.86 Local Bit SELOGIC ..........................................................................................................R.10.44
Table 10.87 Report Settings Categories ..............................................................................................R.10.44
Table 10.88 SER Chatter Criteria........................................................................................................R.10.45
Table 10.89 SER Points and Aliases ...................................................................................................R.10.45
Table 10.90 Event Reporting...............................................................................................................R.10.45
Table 10.91 Event Reporting Digital Elements...................................................................................R.10.46
Table 10.92 Port Settings Categories ..................................................................................................R.10.46
Table 10.93 Protocol Selection ...........................................................................................................R.10.46
Table 10.94 Communications Settings................................................................................................R.10.46
Table 10.95 SEL Protocol Settings .....................................................................................................R.10.47
Table 10.96 DNP3 Serial Port Protocol Settings ................................................................................R.10.47
Table 10.97 MIRRORED BITS Protocol Settings ..................................................................................R.10.48
Table 10.98 RTD Protocol Settings.....................................................................................................R.10.49
Table 10.99 PMU Protocol Settings....................................................................................................R.10.49
Table 10.100 DNP3 Settings Categories...............................................................................................R.10.50
Table 10.101 DNP Reference Map Selection .......................................................................................R.10.50
Table 10.102 DNP3 Object Default Map Enables ................................................................................R.10.50
Table 10.103 Binary Input Map ............................................................................................................R.10.50
Table 10.104 Binary Output Map..........................................................................................................R.10.50
Table 10.105 Counter Map,..................................................................................................................R.10.51
Table 10.106 Analog Input Map,..........................................................................................................R.10.51
Table 10.107 Analog Output Map.........................................................................................................R.10.51
Table A.1 Alphabetic List of Relay Word Bits ...................................................................................R.A.1
Table A.2 Relay Word Bits: Enable and Target LEDs......................................................................R.A.22
Table A.3 Relay Word Bits: Distance Elements ...............................................................................R.A.22
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