Non-Protection Functions; Circuit Breaker Condition Monitoring ("Cb Condition" And "Cb Monitor Setup" Menus)39 - GE MiCOM P40 Agile Technical Manual

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Setting
MiCOM P40 Agile P442, P444
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
CB CONDITION
CB Operations
{3 pole tripping}
Displays the total number of 3 pole trips issued by the relay.
CB A Operations
{1 & 3 pole tripping}
Displays the total number of pole A trips issued by the relay (CB pole A).
CB B Operations
{1 & 3 pole tripping}
Displays the total number of pole B trips issued by the relay (CB pole B).
CB C Operations
{1 & 3 pole tripping}
Displays the total number of pole C trips issued by the relay (CB pole C).
Total IA Broken
Displays the total fault current interrupted by the relay for the A phase.
Total IB Broken
Displays the total fault current interrupted by the relay for the B phase.
Total IC Broken
Displays the total fault current interrupted by the relay for the C phase.
CB Operate Time
Displays the calculated Circuit Breaker operating time.
Reset CB Data
Allows the user to reset the calculated circuit breakers counters.
Total 1P Reclosures
Number of autoreclosures (1P)
Total 3P Reclosures
Number of autoreclosures (3P)
Reset Total A/R
Allows the user to reset the auto-reclose counters.
Default setting
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
No
Yes, No
0
0
0
0
No
Yes, No
P44x/EN ST/Hb6
Setting range
Min
Max
10000
10000
10000
10000
25000In^
25000In^
25000In^
0.5s
0.5s
0.5s
(ST) 4-39
Step size
1
1
1
1
1In^
1In^
1In^
0.001
0.001
0.001

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P442P444

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