Phase Instantaneous Overcurrent - GE 750 Instruction Manual

12 S5 PROTECTION
Phase instantaneous overcurrent 1 and 2 are identical elements. Each consists of the equivalent of three sep-
arate instantaneous overcurrent relays, ANSI device 50P, all with identical characteristics. These elements can
be controlled by the phase directional element, providing operation for current flow in the permitted direction
only.
PHASE INST OC 1
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PHASE INST OC 1
FUNCTION: Trip
PHASE INST OC 1
RELAYS (3-7): -----
PHASE INST OC 1
PICKUP: 1.00 x CT
PHASE INST OC 1
DELAY: 0.00 s
PHASES REQUIRED FOR
OPERATION: Any One
PHASE INST OC 1
DIRECTION: Disabled
GE Power Management
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12.2 DIRECTIONAL OVERCURRENT CHARACTERISTICS
The Phase Instantaneous Overcurrent 1 setpoints path is:
\ SETPOINTS \ S5 PROTECTION \ PHASE CURRENT \ PHASE INST OC 1
Range: Disabled, Trip, Trip & AR, Alarm, Latched Alarm, Control
Select the required function.
Range: Any Combination of the 3-7 AUXILIARY Relays
Select the output relays required.
Range: 0.05 to 20.00 in steps of 0.01 x CT
Enter the pickup in terms of the CT rating. For example, if 100:5 phase CTs are
installed, enter 10.0 x CT for an overcurrent trip of 1000 A.
Range: 0.00 to 600.00 in steps of 0.01 s
Select the delay required.
Range: Any One, Any Two, All Three
Select the type of operation required.
Range: Disabled, Forward, Reverse
Select the direction(s) of current flow for which operation is permitted.
750/760 Feeder Management Relay

12.2.4 PHASE INSTANTANEOUS OVERCURRENT

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