Figure 6-6. protective fault analysis -10 – Basler Electric BE1-700 User Manual
Page 142

Figure 6-6. Protective Fault Analysis
Protective
element
picks up
Protective
element
trips
Breaker auxiliary
contact changes
state
Protective
element
drops out
Fast
dropout
current
detector
drops out
SG-TRIGGER
-Pickup
-Logic
PU + logic
Fast dropout
current
detector
Breaker
status
Fault summary
report triggered
(When SG-TRIGGER (PU or Logic) is TRUE)
A
B
Targets logged
C
Fault clearing
time calculated
D
Breaker
operate time
Oscillographic
Record
4 cycle
pre-trigger
Post-trigger recording
(Default: 15 cycle record, 4 cycle pre-trigger,
11 cycle post-trigger)
Post-trigger
1/4 to 5 cycles
of pre-trigger
E
F
Fault currents
recorded
G
Red TRIP LED
flashing
(When SG-TRIGGER (PU) is TRUE)
H
Red TRIP LED
solid
Breaker interruption
duty
Setting group
change blocked
I
J
D2849-09.vsd
05-26-99
(SB-LOGIC setting)
-Trip
When
SG-TRIGGER
(PU or Logic)
goes FALSE
(When SG-TRIGGER (PU or Logic) is TRUE)
(When SG-TRIGGER (PU or Logic) is TRUE)
(When SG-TRIGGER (PU) is TRUE)
(When SG-TRIGGER (Trip) is TRUE)
6-10
BE1-700 Reporting and Alarm Functions
9376700990 Rev M