xiiiList of Tables
Date Code 20020501 SEL-421/SEL-421-1 Relay
Table 1.55 ECOMM Setting ...............................................................................................................R.1.88
Table 1.56 DCB Settings.....................................................................................................................R.1.91
Table 1.57 DCB Relay Word Bits .......................................................................................................R.1.91
Table 1.58 POTT Settings ...................................................................................................................R.1.95
Table 1.59 POTT Relay Word Bits .....................................................................................................R.1.96
Table 1.60 DCUB Settings................................................................................................................R.1.100
Table 1.61 DCUB Relay Word Bits ..................................................................................................R.1.101
Table 1.62 Trip Logic Settings..........................................................................................................R.1.103
Table 1.63 Setting TULO Unlatch Trip Options...............................................................................R.1.105
Table 1.64 Trip Logic Settings..........................................................................................................R.1.106
Table 1.65 Trip Logic Relay Word Bits ............................................................................................R.1.107
Table 1.66 Circuit Breaker Failure Protection Logic Settings ..........................................................R.1.118
Table 1.67 Circuit Breaker Failure Relay Word Bits ........................................................................R.1.119
Section 2: Auto-Reclose and Synchronism Check
Table 2.1 Auto-Reclose Logical States for Circuit Breaker 1.............................................................R.2.4
Table 2.2 One-Circuit-Breaker Three-Pole Reclosing Initial Settings................................................R.2.8
Table 2.3 One-Circuit-Breaker Single-Pole Reclose Initial Settings..................................................R.2.9
Table 2.4 One Circuit Breaker Modes of Operation ...........................................................................R.2.9
Table 2.5 Dynamic Leader/Follower Settings...................................................................................R.2.17
Table 2.6 Leader/Follower Selection ................................................................................................R.2.18
Table 2.7 Example One: Reset and 79CY3 States ............................................................................R.2.18
Table 2.8 Example One: Lockout State.............................................................................................R.2.19
Table 2.9 Example One: Reset State After Reclaim Time ................................................................R.2.19
Table 2.10 Leader/Follower Selection ................................................................................................R.2.19
Table 2.11 Example Two: Initial Reset State ......................................................................................R.2.20
Table 2.12 Example Two: Final Reset State .......................................................................................R.2.20
Table 2.13 Leader/Follower Selection ................................................................................................R.2.21
Table 2.14 Example Three: Reset State ..............................................................................................R.2.21
Table 2.15 Example Three: Three-Pole Cycle State ...........................................................................R.2.21
Table 2.16 Example Three: Lockout State, BK1 ................................................................................R.2.22
Table 2.17 Leader/Follower Selection ................................................................................................R.2.22
Table 2.18 Two Circuit Breakers: Circuit Breaker BK1 Out of Service.............................................R.2.23
Table 2.19 Two-Circuit-Breaker Three-Pole Reclose Initial Settings ................................................R.2.23
Table 2.20 Two-Circuit-Breaker Single-Pole Reclose Initial Settings................................................R.2.24
Table 2.21 Circuit Breaker BK1 Modes of Operation ........................................................................R.2.24
Table 2.22 Circuit Breaker BK2 Modes of Operation ........................................................................R.2.25
Table 2.23 Trip Logic Enable Options................................................................................................R.2.26
Table 2.24 Auto-Reclose Logic Settings ...........................................................................................R.2.29
Table 2.25 Auto-Reclose Logic Relay Word Bits...............................................................................R.2.31
Table 2.26 Synchronism-Check Relay Word Bits...............................................................................R.2.45
Section 3: SELOGIC
®
Control Equation Programming
Table 3.1 Advanced SEL-421 Relay SELOGIC Control Equation Features........................................R.3.2
Table 3.2 SEL-421 Relay SEL
OGIC Control Equation Programming Summary................................R.3.2
Table 3.3 Summary of SEL
OGIC Control Equation Elements ..........................................................R.3.11
Table 3.4 First Execution Bit Operation on Power-Up ....................................................................R.3.12
Table 3.5 First Execution Bit Operation on Automation Settings Change .......................................R.3.12
Table 3.6 First Execution Bit Operation on
Protection Settings Change, Group Switch, and Source Selection..................................R.3.12
Table 3.7 SEL
OGIC Control Equation Variable Quantities ...............................................................R.3.12
Table 3.8 SEL
OGIC Control Equation Math Variable Quantities ......................................................R.3.13
Table 3.9 Latch Bit Quantities ..........................................................................................................R.3.14
Table 3.10 Latch Bit Parameters .........................................................................................................R.3.14
Table 3.11 Conditioning Timer Quantities..........................................................................................R.3.16
Table 3.12 Conditioning Timer Parameters ........................................................................................R.3.16
Table 3.13 Sequencing Timer Quantities ............................................................................................R.3.20
Table 3.14 Sequencing Timer Parameters...........................................................................................R.3.20