GE MIFII GEK-106237P User Manual

GEK-106237P MIFII Digital Feeder Relay 9-19
9 RELAY COMMISSIONING 9.16 GROUND TOC ELEMENT (51G)
9
9.16GROUND TOC ELEMENT (51G)
Enable 51G element only and set its current pickup value to the minimum possible.
9.16.1 IEC INVERSE CURVE
Set the relay as follows:
Apply 0.9 times the pickup current at the ground terminals and the relay should not trip.
Apply 1.5 times the pickup current and the relay should trip between 15.3 and 19.7 sec.
Apply 5 times the pickup current and the relay should trip between 4.1 and 4.5 sec.
9.16.2 IEC VERY INVERSE CURVE
Set the relay as follows:
Apply 0.9 times the pickup current at the ground terminals and the relay should not trip.
Apply 1.5 times the pickup current and the relay should trip between 23.4 and 31.8 sec.
Apply 5 times the pickup current and the relay should trip between 3.1 and 3.6 sec.
51G SETTINGS GROUP
Curve MOD INVERSE
Time Dial 1
51G SETTINGS GROUP
Curve VERY INVERSE
Time Dial 1

GE MIFII GEK-106237P Specifications

General

Brand	GE
Model	MIFII GEK-106237P
Category	Accessories
Language	English