GE P444

Setting
P44x/EN ST/Hb
6
MiCOM P40 Agile
P442, P444 (ST) 4-
39
3 NON-PROTECTION FUNCTIONS
3.1 Circuit breaker condition monitoring (“CB Condition” and “CB monitor setup” menus)
3.1.1 Circuit Breaker Condition Monitoring Features
For each circuit breaker trip and autoreclose operation the relay, records statistics. The ‘CB
condition’ and ‘CB monitor setup’ menu cells are counter values only. The Min/Max values
show the range of the counter values. These cells can be disabled:
Menu text Default setting
Setting range
Step size
Min Max
CB CONDITION
CB Operations
{3 pole tripping}
0 0 10000 1
Displays the total number of 3 pole trips issued by the relay.
CB A Operations
{1 & 3 pole tripping}
0 0 10000 1
Displays the total number of pole A trips issued by the relay (CB pole A).
CB B Operations
{1 & 3 pole tripping}
0 0 10000 1
Displays the total number of pole B trips issued by the relay (CB pole B).
CB C Operations
{1 & 3 pole tripping}
0 0 10000 1
Displays the total number of pole C trips issued by the relay (CB pole C).
Total IA Broken 0 0 25000In^ 1In^
Displays the total fault current interrupted by the relay for the A phase.
Total IB Broken 0 0 25000In^ 1In^
Displays the total fault current interrupted by the relay for the B phase.
Total IC Broken 0 0 25000In^ 1In^
Displays the total fault current interrupted by the relay for the C phase.
CB Operate Time 0 0 0.5s 0.001
Displays the calculated Circuit Breaker operating time.
Reset CB Data No Yes, No
Allows the user to reset the calculated circuit breakers counters.
Total 1P Reclosures 0 0 0.5s 0.001
Number of autoreclosures (1P)
Total 3P Reclosures 0 0 0.5s 0.001
Number of autoreclosures (3P)
Reset Total A/R No Yes, No
Allows the user to reset the auto-reclose counters.