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SEL-421-4, -5 Relay Date Code 20150504
List of Tables
Table A.2 SELBOOT Revision History............................................................................................... U.A.5
Table A.3 SEL-421-5 ICD File Revision History.............................................................................. U.A.6
Table A.4 Instruction Manual Revision History................................................................................ U.A.7
Table B.1 Firmware Upgrade Files.....................................................................................................U.B.2
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.1.18
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.1.44
Table 1.14 System Data—345 kV Tapped Overhead Transmission Line.......................................... A.1.51
Table 1.15 Secondary Impedances.....................................................................................................A.1.52
Table 1.16 LOP Enable Options......................................................................................................... A.1.57
Table 1.17 Local Zone 2 Fault Impedance Measurements ................................................................ A.1.58
Table 1.18 Apparent Impedance Measurement for Remote Faults....................................................A.1.59
Table 1.19 Options for Enabling Pole-Open Logic............................................................................A.1.73
Table 1.20 Setting TULO Unlatch Trip Options................................................................................A.1.77
Table 1.21 Settings for 345 kV Tapped TX Example........................................................................A.1.78
Table 1.22 System Data—230 kV Parallel Underground Cables...................................................... A.1.83
Table 1.23 Secondary Impedances.....................................................................................................A.1.84
Table 1.24 LOP Enable Options......................................................................................................... A.1.88
Table 1.25 Tilt Resulting From Nonhomogeneity .............................................................................A.1.93
Table 1.26 XAG Measurement for Remote AG Fault (k01 = 0.374 ∠—39.2°, sheath and
ground return path)..........................................................................................................A.1.95
Table 1.27 XAG Measurement for Remote AG Fault (k01 = 0.385 ∠—46.7°, sheath returnpath)...A.1.95
Table 1.28 XAG Measurement for Remote AG Fault (k0 = 6.105 ∠44.5°, ground return path).......A.1.96
Table 1.29 Options for Enabling Pole-Open Logic.......................................................................... A.1.103
Table 1.30 Setting TULO Unlatch Trip Options.............................................................................. A.1.106
Table 1.31 Settings for 230 kV Parallel Cables Example................................................................ A.1.107
Table 1.32 Positive-Sequence Impedances (Secondary).................................................................. A.1.113
Table 1.33 Automatically Calculated/Hidden Settings.................................................................... A.1.121
Table 1.34 Relay Configuration (Group) ......................................................................................... A.1.122
Table 1.35 Out-of-Step Tripping/Blocking...................................................................................... A.1.122
Table 1.36 Automatically Calculated/Hidden Settings.................................................................... A.1.127
Table 1.37 Relay Configuration (Group) ......................................................................................... A.1.128
Table 1.38 Out-of-Step Tripping/Blocking...................................................................................... A.1.128
Table 1.39 Settings for Auto-Reclose Example...............................................................................A.1.132
Table 1.40 Settings for Auto-Reclose and Synchronism Check Example.......................................A.1.140
Table 1.41 Secondary Quantities...................................................................................................... A.1.147
Table 1.42 Settings for Circuit Breaker Failure Example 1.............................................................A.1.151
Table 1.43 Secondary Quantities...................................................................................................... A.1.152
Table 1.44 Settings for Circuit Breaker Failure Example 2.............................................................A.1.158
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.2.4
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
