GE Feeder Management Relay 750 User Manual

GE Multilin 750/760 Feeder Management Relay 5-47
5 SETPOINTS 5.6 S5 PROTECTION
5
Figure 5–14: NEUTRAL DIRECTIONAL LOGIC
5.6.4 GROUND CURRENT
a) MAIN MENU
PATH: SETPOINTS ÖØ S5 PROTECTION ÖØ GND CURRENT
Separate protection is provided for ground time overcurrent and ground instantaneous overcurrent. These elements moni-
tor the ground current input on Terminals G10 and H10. Ground overcurrent elements can be blocked individually or as a
group by logic inputs. Ground overcurrent elements can be controlled by the ground directional element allowing operation
for faults in the permitted direction only.
 GND CURRENT
 [ENTER] for more
 GND TIME OC 1
 [ENTER] for more
See page 5–48.
 GND TIME OC 2
 [ENTER] for more
 GND INST OC 1
 [ENTER] for more
See page 5–49.
 GND INST OC 2
 [ENTER] for more
 GND DIRECTION
 [ENTER] for more
See page 5–50.
ENTER
ESCAPE
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ESCAPE
Courtesy of NationalSwitchgear.com

GE Feeder Management Relay 750 Specifications

General

Device Type	Feeder Management Relay
Model	750
Mounting	Panel Mount
Nominal AC Frequency	50/60 Hz
Digital Inputs	8
Current Rating	Up to 5 A
Frequency Rating	50/60 Hz
Operating Temperature	-40°C to +70°C
Protection Functions	Overcurrent, Voltage, Frequency, Directional Power, Breaker Failure
Communication Protocols	Modbus, DNP3, IEC 61850
Nominal AC Voltage	120/240 V AC
VT Inputs	3
CT Inputs	Up to 4
Communication Ports	Ethernet, RS-485
Enclosure Rating	IP54