Alstom MiCOM P546 - Page 181

Operation P54x/EN OP/La4
MiCOM P543, P544, P545 & P546 (OP) 5-7
OP
5.6.1 Time delayed and high speed auto-reclosing (P544/P546) 181
5.6.2 Auto-reclose logic inputs (P544/P546) 181
5.6.2.1 Circuit breaker healthy (P544/P546) 182
5.6.2.2 Inhibit auto-reclose (P544/P546) 182
5.6.2.3 Block auto-reclose (P544/P546) 182
5.6.2.4 Reset lockout (P544/P546) 183
5.6.2.5 Pole discrepancy (P544/P546) 183
5.6.2.6 External trip (P544/P546) 183
5.6.3 Internal signals (P544/P546) 184
5.6.3.1 Trip initiate signals (P544/P546) 184
5.6.3.2 Circuit breaker status (P544/P546) 184
5.6.3.3 Check synch ok and system check ok (P544/P546) 184
5.6.4 Auto-reclose logic outputs (P544/P546) 184
5.6.5 Auto-reclose logic operating sequence (P544/P546) 184
5.6.6 Auto-reclose : main operating features (P544/P546) 189
5.6.6.1 Circuit breaker in service (P544/P546) 189
5.6.6.2 Auto-reclose enable (P544/P546) 190
5.6.6.3 Leader & follower circuit breaker selection (P544/P546) 190
5.6.6.4 Auto-reclose mode for leader & follower circuit breaker (P544/P546) 191
5.6.6.5 Force three phase trip (P544/P546) 192
5.6.6.6 Auto-reclose Initiation (P544/P546) 192
5.6.6.7 Sequence counter (P544/P546) 193
5.6.6.8 Auto-reclose cycle selection (P544/P546) 193
5.6.6.9 Dead time control (P544/P546) 194
5.6.6.10 Follower circuit breaker enable and time control (P544/P546) 194
5.6.6.11 CB1 and CB2 auto close (P544/P546) 195
5.6.6.12 Reclaim time & successful auto-reclose (P544/P546) 196
5.6.6.13 Circuit breaker healthy & system check timers (P544/P546) 196
5.6.6.14 CB1 & CB2 auto-reclose shots counters (P544/P546) 197
5.6.6.15 System checks for circuit breaker closing (P544/P546) 198
5.6.6.16 CB1 & CB2 trip time monitor (P544/P546) 199
5.6.6.17 Autoreclose lockout (P544/P546) 199
5.6.6.18 Reset circuit breaker lockout (P544/P546) 200
5.7 Dual circuit breaker system voltage checks (P544/P546) 201
5.7.1 Dual circuit breaker system checks overview (P544/P546) 201
5.7.2 Dual circuit breaker system voltage checks logic diagrams (P544/P546) 202
5.7.3 Dual circuit breaker system voltage checks VT selection (P544/P546) 202
5.7.4 Dual circuit breaker system voltage synchronism checks (P544/P546) 203
5.8 Synchronism check functions (P544/P546) 204
5.8.1 Overview 204
5.8.2 Synchronous systems and asynchronous systems/system split 204
5.8.3 Synchronism check functions provided in the P544/P546 204