Alstom MiCOM P54 Series - Page 335

Operation P54x/EN OP/La4
MiCOM P543, P544, P545 & P546 (OP) 5-161
OP
&
DDB Trip 3ph (526)
1
DDB External Trip3Ph (534)
1
1
1
1
1
1
1
DDB Trip Output A (523)
DDB External Trip A (535)
LD Fast U/C IA<
DDB Pole Dead A (892)
DDB Trip Output B (524)
DDB External Trip B (536)
LD Fast U/C IB<
DDB Pole Dead B (893)
DDB Trip Output C (525)
DDB External Trip C (537)
LD Fast U/C IC<
DDB Pole Dead C (894)
DDB CB Data (447)
COMMAND: Reset CB Data
Note: CB Operating Time shall not be produced if the relay
is in test mode
Start
Start
Start
Stop
Stop
Stop
CB OPERATING TIME
PHASE A
CB OPERATING TIME
PHASE B
CB OPERATING TIME
PHASE C
Reset
CB Op Time Ph A
Reset
CB Op Time Ph B
Reset
CB Op Time Ph C
P1114ENj
Figure 103 Circuit breaker condition monitoring - operation time (P543/P545)