GE MiCOM P40

5.5.2 LEADER FOLLOWER LOGIC DIAGRAM
Leader CB1
&
CB1 Close Fail
1
AR CB1 Unhealthy
ARIP
Leader CB2
CB2 Close Fail
AR CB2 Unhealthy
ARIP
1
&
CB1 LFRC
&
1
1
&
CB2 LFRC
Reset L-F
Pref LCB1
CB2 NoAR
CB1 NoAR
CB1 ARIP
Pref LCB2
CB2 ARIP
R
Q
S1
0.1s
&
&
1
SET LCB1
&
&
1
R
Q
S&
1
SET LCB2
&
&
&
1
V03307
AR in Service
AR Enable CB 1
CB1 in Service
CB1 AR Lockout
BAR CB1
ARIP
Set LCB1
Foll SPAROK
Foll 3 PAROK
Leader CB2
CB2 LFRC
& CB1 NoAR
&
&
&
1
R
Q
S
&
&
&
Reset L-F
1
Leader CB1
1
1
Follower CB1
0.1s
AR in Service
AR Enable CB 2
CB2 in Service
CB2 AR Lockout
BAR CB2
ARIP
Set LCB2
Foll SPAROK
Foll 3 PAROK
Leader CB1
CB1 LFRC
& CB2 NoAR
&
&
&
1
R
Q
S
&
&
&
Reset L-F
1
Leader CB2
1
1
Follower CB2
0.1s
0.1
0
0.1
0
1530
303
307
1542
1431
325
329
1542
1429
1544
1528
1435
1385
1609
1526
306
1542
1431
1385
1605
1428
328
1542
1530
1528
1530
1432
1429
1431
1433
Figure 154: Leader/Follower logic diagram (Module 7 & 8)
Chapter 11 - Autoreclose P446SV
294 P446SV-TM-EN-1