GE Feeder Management Relay 750 Instruction Manual page 107

5 SETPOINTS
b) NEUTRAL TIME OC
PATH: SETPOINTS S5 PROTECTION
NEUTRAL TIME OC 1
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Neutral Time Overcurrent elements 1 and 2 are programmed in this subgroup. They are two identical protection elements
each equivalent to a single ANSI device 51N neutral time overcurrent relay.
GE Multilin
Courtesy of NationalSwitchgear.com
NEUTRAL CURRENT
ð
NEUTRAL TIME OC 1
ENTER
ESCAPE
FUNCTION: Disabled
NEUTRAL TIME OC 1
ESCAPE
MESSAGE RELAYS (3-7): -----
NEUTRAL TIME OC 1
ESCAPE
MESSAGE PICKUP: 1.00 x CT
NEUTRAL TIME OC 1
ESCAPE
MESSAGE CURVE: Ext. Inverse
NEUTRAL TIME OC 1
ESCAPE
MESSAGE MULTIPLIER: 1.00
NEUTRAL TIME OC 1
ESCAPE
MESSAGE RESET: Instantaneous
NEUTRAL TIME OC 1
ESCAPE
MESSAGE DIRECTION: Disabled
Figure 5–11: NEUTRAL TOC LOGIC
750/760 Feeder Management Relay
NEUTRAL TIME OC 1(2)
Range: Disabled, Trip, Trip & AR, Alarm, Latched Alarm,
Control
Range: Any combination of 3 to 7 Auxiliary relays
Range: 0.05 to 20.00 x CT in steps of 0.01
Range: see Table 5–4: TOC Curve Selections on page
5–32 for values
Range: 0.00 to 100.00 in steps of 0.01
Range: Instantaneous, Linear
Range: Disabled, Forward, Reverse
5.6 S5 PROTECTION
5
5-43