To Next Page

To Previous Page

GE Power Management 750/760 Feeder Management Relay 12-

12 S5 PROTECTION 12.4 GROUND OVERCURRENT

12.4.3 GROUND INSTANTANEOUS OVERCURRENT

The equivalent of a single ground instantaneous relay, ANSI device 50G, is programmed in this subgroup.

■ GROUND INST OC

■ [ENTER] for more

The Ground Instantaneous Overcurrent setpoints path is:

\ SETPOINTS \ S5 PROTECTION \ GROUND CURRENT \ GROUND INST OC

GROUND INST OC

FUNCTION: Disabled

Range: Disabled, Trip, Trip & AR, Alarm, Latched Alarm, Control

Select the required function.

GROUND INST OC

RELAYS (3-7): -----

Range: Any Combination of the 3-7 AUXILIARY Relays

Select the output relays required.

GROUND INST OC

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 a pickup of 1000A is

required, enter

5.00 x CT

with a 200:5 ground CT installed.

GROUND INST OC

DELAY: 0.00 s

Range: 0.00 to 600.00 in steps of 0.01 s

Select the delay required.

GROUND INST OC

DIRECTION: Disabled

Range: Disabled, Forward, Reverse

Select the direction(s) of current flow for which operation is permitted.

GE 750 User Manual

Other manuals for GE 750