GE Multilin 850 Instruction Manual page 398

Feeder protection system
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MONITORING
FASTPATH:
4–266
INCOMPLETE CHARGE TIME
Range: 0.000 to 6000.000 s in steps of 0.001 s
Default: 45.000 s
The setting declares a Charge time failure condition if the spring charging process is not
finished after this time delay. The setting should be greater than the Charge time PKP
value.
ARC ENERGY PICKUP
Range: 1 to 100000 kA2-c in steps of 1 kA2-c
Default: 1000 kA2-c
The setting sets the Pickup level of the arc energy. The arc energy value is calculated in
the Breaker Arcing Current element.
The ACR ENERGY is calculated by the breaker arcing current element. If the breaker arcing
current element is disabled, the ACR ENERGY is not calculated and this setting should not
be used. The ACR ENERGY used here is the individual value for each trip and not the
accumulated value recorded in the Breaker Arcing Current element.
ALARM COUNTER
Range: 1 to 100 in steps of 1
Default: 5
The setting sets the alarm counter level. One counter is used to accumulate the Pickup
data from all monitoring quantities. If the counter value is above the alarm counter level,
the LED is lit and one operand is asserted.
BLOCK
Range: Off, Any FlexLogic operand
Default: Off
OUTPUT RELAY X
For details see
Common
EVENTS
Range: Enabled, Disabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Self-reset
Setpoints.
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS

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