GE 750 Instruction Manual page 140

750/760
Feeder Management Relay
NEUTRAL TIME
OVERCURRENT 1
5–44
b) Neutral Time Overcurrent
PATH: SETPOINTS S5 PROTECTION
[ ] NEUTRAL TIME OC 1
FUNCTION: Disabled
NEUTRAL TIME OC 1
MESSAGE
RELAYS (3-7): -----
NEUTRAL TIME OC 1
MESSAGE
PICKUP: 1.00 x CT
NEUTRAL TIME OC 1
MESSAGE
CURVE: Ext. Inverse
NEUTRAL TIME OC 1
MESSAGE
MULTIPLIER:
NEUTRAL TIME OC 1
MESSAGE
RESET: Instantaneous
NEUTRAL TIME OC 1
MESSAGE
DIRECTION: Disabled
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.
FIGURE 5–11: Neutral TOC Logic
http://www.GEmultilin.com
NEUTRAL CURRENT NEUTRAL TIME... 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 5–33.
Range: 0.00 to 100.00 in steps of 0.01
1.00
Range: Instantaneous, Linear
Range: Disabled, Forward, Reverse
S5 Protection
GE Multilin