9424200994 Rev U
Protective Fault Analysis
Protective
element
picks up
FAULT TRIGGER
-Trip
-Pickup
-Logic
PU + logic
Fast current
detector
Breaker
status
Fault summary
report triggered
Targets logged
Fault clearing
time calculated
Breaker
operate time
4 cycle
Oscillographic
pre-trigger
Record
Fault currents
recorded
Red TRIP LED
flashing
Red TRIP LED
solid
Breaker interruption
duty
Setting group
change blocked
BE1-11g
Protective
element
trips
A
(When Fault Trigger (PU or Logic) is TRUE)
C
(When Fault Trigger (PU or Logic) is TRUE)
Post-trigger recording
(When Fault Trigger (PU or Logic) is TRUE)
(Default: 15 cycle record, pre-trigger,
11 cycle post-trigger)
G
(When Fault Trigger (PU) is TRUE)
J
(When Fault Trigger (PU) is TRUE)
Figure 150. Protective Fault Analysis
Breaker auxiliary
contact changes
state
B
D
1/4 to 5 cycles
of pre-trigger
F
H
(When Fault Trigger (Trip) is TRUE)
I
217
Protective
element
drops out
Fast
current
detector
drops out
E
Post-trigger
When
Fault Trigger
(PU or Logic)
goes FALSE
P0037-12
03-23-06
Fault Reporting
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