GE 845 Instruction Manual page 372

MONITORING
4–268
INITIATION
Range: Off, Any operand from the list of FlexLogic operands
Default: Off
The setpoint selects the FlexLogic operand, digital input, virtual input or remote input
that initiates the Breaker Arcing Current scheme, typically the Trip signals from internal
protection functions.
DELAY
Range: 0.000 to 6000.00 s in steps of 0.001 s
Default: 0.030 s
The setpoint provides a delay interval between the time the tripping sequence is initiated
and the time the breaker contacts are expected to part, starting the integration of the
measured current.
ALARM LEVEL
Range: 0 to 50000 kA2-c in steps of 1 kA2-c
Default: 1000 kA2-c
The setpoint specifies the threshold value (kA2-cycle) above which the output operand is
set.
BLOCK
Range: Off, Any operand from the list of FlexLogic operands
Default: Off
OUTPUT RELAYS 3 (X)
Range: Do Not Operate, Operate
Default: Do Not Operate
EVENTS
Range: Enabled, Disabled
Default: Enabled
TARGETS
Range: Self-reset, Latched, Disabled
Default: Self-reset
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS