Protective fault analysis, Figure 142, O figure 142 – Basler Electric BE1-11g User Manual

Page 214

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9424200994 Rev N

Protective Fault Analysis

Figure 142. Protective Fault Analysis

Protective
element
picks up

Protective
element
trips

Breaker auxiliary
contact changes
state

Protective
element
drops out

Fast
current
detector
drops out

FAULT TRIGGER

-Pickup

-Logic

PU + logic

Fast current
detector

Breaker
status

Fault summary
report triggered

(When Fault 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, 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 Fault Trigger (PU) is TRUE)

H

Red TRIP LED
solid

Breaker interruption
duty

Setting group
change blocked

I

J

P0037-12

03-23-06

-Trip

When
Fault Trigger
(PU or Logic)
goes FALSE

(When Fault Trigger (PU or Logic) is TRUE)

(When Fault Trigger (PU or Logic) is TRUE)

(When Fault Trigger (PU) is TRUE)

(When Fault Trigger (Trip) is TRUE)

Fault Reporting

BE1-11g

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