GE 750 User Manual

GE Power Management 750/760 Feeder Management Relay 12-
11
12 S5 PROTECTION 12.2 DIRECTIONAL OVERCURRENT CHARACTERISTICS
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12.2.4 PHASE INSTANTANEOUS OVERCURRENT
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
■ [ENTER] for more
The Phase Instantaneous Overcurrent 1 setpoints path is:
\ SETPOINTS \ S5 PROTECTION \ PHASE CURRENT \ PHASE INST OC 1
PHASE INST OC 1
FUNCTION: Trip
Range: Disabled, Trip, Trip & AR, Alarm, Latched Alarm, Control
Select the required function.
PHASE INST OC 1
RELAYS (3-7): -----
Range: Any Combination of the 3-7 AUXILIARY Relays
Select the output relays required.
PHASE INST OC 1
PICKUP: 1.00 x CT
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.
PHASE INST OC 1
DELAY: 0.00 s
Range: 0.00 to 600.00 in steps of 0.01 s
Select the delay required.
PHASES REQUIRED FOR
OPERATION: Any One
Range: Any One, Any Two, All Three
Select the type of operation required.
PHASE INST OC 1
DIRECTION: Disabled
Range: Disabled, Forward, Reverse
Select the direction(s) of current flow for which operation is permitted.

GE 750 Specifications

General

Brand	GE
Model	750
Category	Relays
Language	English