Sel 421 - Page 12

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SEL-421 Relay Date Code 20090715
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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