GE 750 Instruction Manual page 463

17 COMMISSIONING
indicator comes on, before the manual close feature times-out and returns the pickup to normal. Check
that the raised pickup level is correct. Turn current off, and wait until the alarm is removed from the display.
4. Set a test current to a level between the normal pickup setting and the raised setting, then turn the current
off.
5. Apply a Close command, as described above, and immediately inject the test current into the relay. Phase
time O/C will not pickup as the pickup current is raised.
6. At the end of the programmed
pickup setting has returned to normal. When this happens, reduce the injection current until the PICKUP
indicator goes out. The
Neutral Time OC 1 Raised Pickup
Follow the procedure outlined for Phase Time O/C 1 Raised Pickup, injecting current as appropriate.
Ground Time OC Raised Pickup
Follow the procedure outlined for Phase Time O/C 1 Raised Pickup, injecting current as appropriate.
Sensitive Ground Time OC Raised Pickup
Follow the procedure outlined for Phase Time O/C 1 Raised Pickup, injecting current as appropriate.
Neg Seq Time OC Raised Pickup
Follow the procedure outlined for Phase Time O/C 1 Raised Pickup, injecting current as appropriate.
Select Setpoint Group
Apply a manual close and verify that the selected setpoint group becomes active when the breaker closes. Ver-
ify that settings return to the previous setpoint group after the
GE Power Management
Courtesy of NationalSwitchgear.com
MANUAL CLOSE BLOCK TIME
MANUAL CLOSE BLOCK TIME
750/760 Feeder Management Relay
17.9 CONTROL SCHEMES
the PICKUP indicator should come on, as the
can be checked in the Event Recorder.
MANUAL CLOSE BLOCK TIME
expires.
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