GE UR F35 Series Instruction Manual page 280

5.7 CONTROL ELEMENTS
SETTING
BREAKER 1 ARCING
AND
AMP FUNCTION:
Disabled=0
Enabled=1
SETTING
BREAKER 1 ARCING
AMP BLOCK:
Off=0
5
AND
SETTINGS
BREAKER 1 ARCING
AMP INIT-A:
Off=0
BREAKER 1 ARCING
AMP INIT-B:
Off=0
OR
BREAKER 1 ARCING
AMP INIT-C:
Off=0
SETTING
BREAKER 1 ARCING
AMP SOURCE:
A
B
C
COMMAND
CLEAR BREAKER 1
ARCING AMPS:
NO=0
YES=1
5-150
Initiate
Programmable
Start Delay
Figure 5–75: ARCING CURRENT MEASUREMENT
SETTING
BREAKER 1 ARCING
AMP DELAY: 100 ms
OR 0 0
AND RUN
Integrate
AND RUN
Integrate
AND RUN
Integrate
Figure 5–76: BREAKER ARCING CURRENT SCHEME LOGIC
F35 Multiple Feeder Protection System
Breaker
Arc
Contacts
Extinguished
Part
Total Area =
Breaker
Arcing
Current
(kA·cycle)
100 ms
Start Stop
Integration Integration
Add to
Accumulator
A -Cycle 2
B -Cycle 2
C -Cycle 2
ACTUAL VALUE
Set All To Zero
BKR 1 ARCING AMP A
BKR 1 ARCING AMP B
BKR 1 ARCING AMP C
BKR 1 OPERATING TIME A
BKR 1 OPERATING TIME B
BKR 1 OPERATING TIME C
BKR 1 OPERATING TIME
5 SETTINGS
SETTING
BREAKER 1 ARCING
AMP LIMIT:
FLEXLOGIC OPERANDS
Select
2
Highest KA Cycle Limit BKR1 ARC OP
*
Value
BKR1 ARC DPO
Φ
Φ
Φ
827071A3.CDR
Φ
Φ
Φ
GE Multilin