Alstom MiCOM P546 - Page 180

P54x/EN OP/La4 Operation
(OP) 5-6 MiCOM P543, P544, P545 & P546
OP
4.1.5.2 AR CB unhealthy (latched) (P543/P545) 138
4.1.5.3 AR lockout (self reset) (P543/P545) 139
4.1.6 Auto-reclose logic operating sequence (P543/P545) 139
4.1.7 Main operating features (P543/P545) 141
4.1.7.1 Auto-reclose modes (P543/P545) 141
4.1.7.2 Auto-reclose initiation (P543/P545) 142
4.1.7.3 Auto-reclose inhibit following manual close (P543/P545) 142
4.1.7.4 AR lockout (P543/P545) 142
4.1.7.5 Reset from lockout (P543/P545) 142
4.1.7.6 System check on shot 1 (P543/P545) 143
4.1.7.7 Immediate auto-reclose with check synchronism (P543/P545) 143
4.1.7.8 Discrimination timer setting (P543/P545) 143
4.1.8 Auto-reclose logic diagrams (P543/P545) 143
4.2 System checks (including check synchronizer) (P543/P545) 150
4.2.1 Overview (P543/P545) 150
4.2.2 VT selection (P543/P545) 151
4.2.3 Basic functionality (P543/P545) 151
4.2.4 System check logic outputs (P543/P545) 151
4.2.5 Check sync 2 and system split (P543/P545) 152
4.2.6 Synchronism check (P543/P545) 152
4.2.7 Slip control by timer (P543/P545) 153
4.2.8 System split (P543/P545) 154
4.3 Auto-reclose/check synchronization interface (P543/P545) 156
4.4 Circuit breaker state monitoring (P543/P545) 157
4.4.1 Circuit breaker state monitoring features (P543/P545) 157
4.5 Circuit breaker condition monitoring (P543/P545) 158
4.5.1 Circuit breaker condition monitoring features (P543/P545) 159
4.6 Circuit breaker control (P543/P545) 162
4.6.1 CB control using hotkeys (P543/P545) 166
4.6.2 CB control using function keys (P543/P545) 166
5. DUAL CIRCUIT BREAKER CONTROL : P544/P546 OPERATIONAL
DESCRIPTION 168
5.1 INTRODUCTION 168
5.2 Circuit breaker scheme designation (P544/P546) 168
5.3 Circuit breaker status (P544/P546) 169
5.4 Circuit breaker condition monitoring (P544/P546) 170
5.4.1 Circuit breaker condition monitoring features (P544/P546) 170
5.5 Circuit breaker control (P544/P546) 177
5.5.1 Circuit breaker control using hotkeys (P544/P546) 180
5.5.2 Circuit breaker control using function keys (P544/P546) 180
5.6 Single and three phase auto-reclosing (P544/P546) 180