GE Feeder Management Relay 750

GE Multilin 750/760 Feeder Management Relay 5-51
5 SETPOINTS 5.6 S5 PROTECTION
5
Figure 5–17: GROUND DIRECTIONAL LOGIC
5.6.5 SENSITIVE GROUND CURRENT
a) MAIN MENU
PATH: SETPOINTS ÖØ S5 PROTECTION ÖØ SENSTV GND CURRENT
Two sensitive ground overcurrent elements and a restricted earth fault element are provided. One time overcurrent element
and one instantaneous element. Sensitive ground overcurrent elements can be controlled by the sensitive ground direc-
tional element allowing operation for faults in the permitted direction only. Also, the elements can be blocked individually or
as a group by logic inputs.
 SENSTV GND CURRENT
 [ENTER] for more
 SENSTV GND TIME OC
 [ENTER] for more
See page 5–52.
 SENSTV GND INST OC
 [ENTER] for more
See page 5–53.
 SENSTV GND DIRECTN
 [ENTER] for more
See page 5–54.
 RESTRICTED EF
 [ENTER] for more
See page 5–55.
ENTER
ESCAPE
ð
ð
MESSAGE
ESCAPE
MESSAGE
ESCAPE
MESSAGE
ESCAPE
Courtesy of NationalSwitchgear.com