Sel SEL-421 - Page 10

x List of Tables
SEL-421/SEL-421-1 Relay Date Code 20020501
Applications Handbook
Section 1: Protection Application Examples
Table 1.1 System Data—230 kV Overhead Transmission Line.........................................................A.1.3
Table 1.2 Secondary Impedances .......................................................................................................A.1.4
Table 1.3 LOP Enable Options...........................................................................................................A.1.7
Table 1.4 Options for Enabling Pole-Open Logic ............................................................................A.1.13
Table 1.5 Setting TULO Unlatch Trip Options ................................................................................A.1.14
Table 1.6 SEL-421 Relay Settings....................................................................................................A.1.16
Table 1.7 System Data—500 kV Parallel Overhead Transmission Lines........................................A.1.21
Table 1.8 Secondary Impedances .....................................................................................................A.1.21
Table 1.9 LOP Enable Options.........................................................................................................A.1.26
Table 1.10 Tilt Resulting From Nonhomogeneity..............................................................................A.1.31
Table 1.11 Options for Enabling Pole-Open Logic ............................................................................A.1.37
Table 1.12 Trip Unlatch Options ........................................................................................................A.1.41
Table 1.13 General Global Settings....................................................................................................A.1.46
Table 1.14 System Data–345 kV Tapped Overhead Transmission Line............................................A.1.54
Table 1.15 Secondary Impedances .....................................................................................................A.1.55
Table 1.16 LOP Enable Options.........................................................................................................A.1.59
Table 1.17 Local Zone 2 Fault Impedance Measurements.................................................................A.1.61
Table 1.18 Apparent Impedance Measurement for Remote Faults ....................................................A.1.62
Table 1.19 Options for Enabling Pole-Open Logic ............................................................................A.1.76
Table 1.20 Setting TULO Unlatch Trip Options ................................................................................A.1.80
Table 1.21 SEL-421 Relay Settings....................................................................................................A.1.81
Table 1.22 System Data—230 kV Parallel Underground Cables.......................................................A.1.87
Table 1.23 Secondary Impedances .....................................................................................................A.1.87
Table 1.24 LOP Enable Options.........................................................................................................A.1.92
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.1.99
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.1.108
Table 1.30 Setting TULO Unlatch Trip Options .............................................................................. A.1.111
Table 1.31 General Global Settings.................................................................................................. A.1.113
Table 1.32 Positive-Sequence Impedances (Secondary) .................................................................. A.1.118
Table 1.33 Automatically Calculated/Hidden Settings ....................................................................A.1.127
Table 1.34 Relay Configuration (Group)..........................................................................................A.1.128
Table 1.35 Out-of-Step Tripping/Blocking.......................................................................................A.1.128
Table 1.36 Automatically Calculated/Hidden Settings ....................................................................A.1.134
Table 1.37 Relay Configuration (Group)..........................................................................................A.1.134
Table 1.38 Out-of-Step Tripping/Blocking.......................................................................................A.1.135
Table 1.39 SEL-421 Relay Settings.................................................................................................. A.1.139
Table 1.40 SEL-421 Relay Settings.................................................................................................. A.1.148
Table 1.41 Secondary Quantities......................................................................................................A.1.155
Table 1.42 Relay Configuration (Group)..........................................................................................A.1.160
Table 1.43 Secondary Quantities......................................................................................................A.1.161
Table 1.44 Relay Configuration (Group)..........................................................................................A.1.168
Section 2: Monitoring and Metering
Table 2.1 Circuit Breaker Monitor Configuration..............................................................................A.2.3
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.2.18
Table 2.7 DC Monitor Settings and Relay Word Bit Alarms ...........................................................A.2.23
Table 2.8 Example DC Battery Voltage Conditions.........................................................................A.2.24