Cb Healthy And System Check Timers Logic Diagram; Autoreclose Shot Counters; Figure 179: Circuit Breaker Healthy And System Check Timers Healthy Logic Diagram (Module 39) - GE MiCOM P40 Technical Manual

P446SV
Autoclose signal. If the circuit breaker synchronism-check OK signal stays low, then when the Autoreclose check
synchronism timer expires, an alarm is set to inform that the check synchronism is not satisfied and cancels the
Autoreclose cycle.
5.15.1

CB HEALTHY AND SYSTEM CHECK TIMERS LOGIC DIAGRAM

CB Healthy Time
CB1L 3PAR
OK Time 3P
CB1 Fast SCOK
CB1SPDTComp
CB1 SPFTComp
CB13 PDTComp
CB13PFTComp
CB1 Healthy
CB1 AR Lockout
CB1 Closed 3 Ph
Check Sync Time
CB13 PDTComp
CB1 L SCOK
CB1 AR Lockout
CB1 Closed 3 Ph
CB13PFTComp
CB1F SCOK
CB1 AR Lockout
CB1 Closed 3 Ph
CB Healthy Time
CB2L3PAR
OK Time 3P
CB2 Fast SCOK
CB2SPDTComp
CB2 SPFTComp
CB23 PDTComp
CB23PFTComp
CB2 Healthy
CB2 AR Lockout
CB2 Closed 3 Ph
Check Sync Time
CB23 PDTComp
CB2 L SCOK
CB2 AR Lockout
CB2 Closed 3 Ph
CB23PFTComp
CB2F SCOK
CB2 AR Lockout
CB2 Closed 3 Ph

Figure 179: Circuit Breaker Healthy and System Check Timers Healthy logic diagram (Module 39)

5.16

AUTORECLOSE SHOT COUNTERS

A number of counters are provided to enable analysis of circuit breaker Autoreclose history. The counters are
stored in non-volatile memory, so that the data is maintained even in the event of a failure of the auxiliary supply.
P446SV-TM-EN-1
1555
1
1572
1
436
306
907
1
1573
306
1
907
1
1491
306
1
907
1555
1
1454
1
437
328
915
1
1455
328
1
915
1
1456
328
1
915
&
S
Q
RD
1
S
Q
1
RD
S
Note : If the DDB signal CB1 Healthy is not mapped in PSL , it defaults to High .
Q
RD
&
S
Q
RD
1
S
Q
1
RD
S
Note : If the DDB signal CB2 Healthy is not mapped in PSL , it defaults to High .
Q
RD
Chapter 11 - Autoreclose
t
307
AR CB1 Unhealthy
0
t
308
AR CB1 No C/S
0
t
329
AR CB2 Unhealthy
0
t
330
AR CB2 No C/S
0
V03364
319