Sel 421 - Page 10

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SEL-421 Relay Date Code 20090715
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 SEL
OGIC Control Equations........................................... A.2.7
Table 2.5 Circuit Breaker Monitor Close SEL
OGIC 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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