xii List of Tables
SEL-421/SEL-421-1 Relay Date Code 20020501
Reference Manual
Section 1: Protection Functions
Table 1.1 ESS := N, Current and Voltage Source Selection............................................................... R.1.2
Table 1.2 ESS := 1, Current and Voltage Source Selection................................................................ R.1.3
Table 1.3 ESS := 2, Current and Voltage Source Selection................................................................ R.1.4
Table 1.4 ESS := 3, Current and Voltage Source Selection................................................................ R.1.5
Table 1.5 ESS := 4, Current and Voltage Source Selection................................................................ R.1.6
Table 1.6 ESS := Y, Tapped Line........................................................................................................ R.1.7
Table 1.7 ESS := Y, Current Polarizing Source.................................................................................. R.1.8
Table 1.8 Frequency Estimation ....................................................................................................... R.1.10
Table 1.9 Frequency Estimation Analog Quantity ........................................................................... R.1.10
Table 1.10 Fault Location Triggering Elements ................................................................................. R.1.11
Table 1.11 Fault Type ......................................................................................................................... R.1.12
Table 1.12 Fault Location Settings..................................................................................................... R.1.12
Table 1.13 Fault Location Relay Word Bit......................................................................................... R.1.12
Table 1.14 Open Phase Detection Relay Word Bits ........................................................................... R.1.13
Table 1.15 Pole Open Logic Settings ................................................................................................. R.1.14
Table 1.16 EPO Setting Selections..................................................................................................... R.1.14
Table 1.17 Pole Open Logic Relay Word Bits.................................................................................... R.1.14
Table 1.18 LOP Logic Setting ............................................................................................................ R.1.17
Table 1.19 LOP Logic Relay Word Bits............................................................................................. R.1.17
Table 1.20 FIDS Relay Word Bits ...................................................................................................... R.1.20
Table 1.21 Directional Elements Supervising Ground Distance Elements ........................................ R.1.21
Table 1.22 Ground Directional Element Settings............................................................................... R.1.22
Table 1.23 Ground Directional Element Settings AUTO Calculations.............................................. R.1.22
Table 1.24 Ground Directional Element Enables ............................................................................... R.1.24
Table 1.25 Ground Directional Element Relay Word Bits ................................................................. R.1.26
Table 1.26 Reference Table for Figure 1.15, Figure 1.16, and Figure 1.17....................................... R.1.30
Table 1.27 Phase and Negative-Sequence Directional Elements Relay Word Bits............................ R.1.33
Table 1.28 Zone Directional Settings ................................................................................................. R.1.35
Table 1.29 CVT Transient Detection Logic Setting ........................................................................... R.1.36
Table 1.30 CVT Transient Detection Logic Relay Word Bit ............................................................. R.1.36
Table 1.31 Series-Compensation Line Logic Relay Settings ............................................................. R.1.38
Table 1.32 Load-Encroachment Logic Relay Settings ....................................................................... R.1.40
Table 1.33 Load-Encroachment Logic Relay Word Bits.................................................................... R.1.40
Table 1.34 OOS Logic Relay Settings................................................................................................ R.1.42
Table 1.35 OOS Logic Relay Word Bits ............................................................................................ R.1.43
Table 1.36 Mho Ground Distance Element Settings .......................................................................... R.1.46
Table 1.37 Mho Ground Distance Elements Relay Word Bits ........................................................... R.1.47
Table 1.38 Quadrilateral Ground Distance Element Settings............................................................. R.1.51
Table 1.39 Quadrilateral Ground Distance Elements Relay Word Bits ............................................. R.1.52
Table 1.40 Mho Phase Distance Element Settings ............................................................................. R.1.55
Table 1.41 Mho Phase Distance Elements Relay Word Bits.............................................................. R.1.56
Table 1.42 Zone Delay Settings.......................................................................................................... R.1.59
Table 1.43 Zone Time Delay Relay Word Bits................................................................................... R.1.60
Table 1.44 Phase Overcurrent Element Settings ................................................................................ R.1.62
Table 1.45 Negative-Sequence Overcurrent Element Settings........................................................... R.1.63
Table 1.46 Residual Ground Overcurrent Element Settings .............................................................. R.1.63
Table 1.47 Phase Instantaneous and Definite-Time Line Overcurrent Relay Word Bits ................... R.1.64
Table 1.48 Negative-Sequence Instantaneous
and Definite-Time Line Overcurrent Relay Word Bits ................................................... R.1.64
Table 1.49 Residual Ground Instantaneous and Definite-Time Line Overcurrent Relay Word Bits . R.1.65
Table 1.50 Selectable Current Quantities ........................................................................................... R.1.69
Table 1.51 Selectable Inverse Time-Overcurrent Settings ................................................................. R.1.69
Table 1.52 Selectable Inverse-Time Overcurrent Relay Word Bits.................................................... R.1.70
Table 1.53 SOTF Settings................................................................................................................... R.1.86
Table 1.54 SOTF Relay Word Bits..................................................................................................... R.1.86