Circuit Breaker Fail Logic - GE MiCOM P40 Agile Technical Manual

P543i/P545i
4

CIRCUIT BREAKER FAIL LOGIC

4.1 CIRCUIT BREAKER FAIL LOGIC - PART 1
WI Prot Reset
Enabled
ExtTrip Only Ini
Enabled
Aid1 WI Trip 3Ph
Aid2 WI Trip 3Ph
Aid 1 WI Trip A
Aid 2 WI Trip A
Aid 1 WI Trip B
Aid 2 WI Trip B
Aid 1 WI Trip C
Aid 2 WI Trip C
ExtTrip Only Ini
Enabled
CurrentProtSEFTrip
ISEF<FastUndercurrent
ZCD function
V00729
Figure 208: Circuit Breaker Fail logic - part 1
P54x1i-TM-EN-1
642
&
1
652
637
&
1
647
638
&
1
648
639
&
1
649
&
Chapter 12 - CB Fail Protection
&
1
&
1
&
1
&
Note: This part is not relevant for non -distance models
S
Q
R
D
WIINFEEDA
WIINFEEDB
WIINFEEDC
TripStateSEF
ZCDStateA
ZCDStateB
ZCDStateC
ZCDStateSEF
357