GE 845 Instruction Manual page 268

PROTECTION
4–164
above the set PKP value. The IOC Pickup flag is asserted, when the current of any phase is
above the PKP value. The IOC Operate flag is asserted if the element stays picked up for the
time defined in PH IOC PKP DELAY. The element drops from Pickup without operating if the
measured current drops below 97-98% of the Pickup value before the time for operation is
reached.
Path:
Setpoints > Protection > Group1(6) > Current > Phase IOC 1(2)
FUNCTION
Range: Disabled, Trip, Alarm, Latched Alarm, Configurable
Default: Disabled
INPUT
Range: Phasor, RMS
Default: Phasor
PICKUP
Range: 0.050 to 30.000 x CT in steps of 0.001 x CT
Default: 1.000 x CT
DIRECTION
Range: Disabled, Forward, Reverse
Default: Disabled
PICKUP DELAY
Range: 0.000 to 6000.000 s in steps of 0.001 s
Default: 0.000 s
DROPOUT DELAY
Range: 0.000 to 6000.000 s in steps of 0.001 s
Default: 0.000 s
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS