Sel 411L - Table 4.18 Two Circuit Breakers: Circuit Breaker BK1 out of Service; Table 4.19 Two-Circuit-Breaker Three-Pole Reclose Initial Settings

P.4.23
Date Code 20151029 Protection Manual SEL-411L Relay
Autoreclosing and Synchronism-Check
Two-Circuit-Breaker Autoreclosing
Enable Autoreclose
Logic for Two Circuit
Breakers
Three-Pole Trip Circuit Breakers
The initial settings necessary to enable autoreclose for two three-pole trip
circuit breakers are shown in Table 4.19.
Table 4.18 Two Circuit Breakers: Circuit Breaker BK1 Out of Service
Relay Word Bit Description Logical State
NBK0 No Active Breakers in Reclose Scheme 0
NBK1 One Breaker Active in Reclose Scheme 1
NBK2 Two Active Breakers in Reclose Scheme 0
LEADBK0 No Leader Breaker 0
LEADBK1 Leader Breaker = Breaker 1 0
LEADBK2 Leader Breaker = Breaker 2 1
FOLBK0 No Follower Breaker 1
FOLBK1 Follower Breaker = Breaker 1 0
FOLBK2 Follower Breaker = Breaker 2 0
Table 4.19 Two-Circuit-Breaker Three-Pole Reclose Initial Settings
Setting Description Entry
NUMBK Number of Breakers in Scheme 2
Breaker Configuration (Breaker Monitor)
BK1TYP Breaker 1 Trip Type 3
BK2TYP Breaker 2 Trip Type 3
Breaker 1 Inputs (Breaker Monitor)
52AA1 N/O Contact Input—BK1 (SELOGIC Equation) IN201
Breaker 2 Inputs (Breaker Monitor)
52AA2 N/O Contact Input—BK2 (SELOGIC Equation) IN202
Relay Configuration (Group)
E79 Reclosing Y or Y1