GE 750 Instruction Manual page 149

S5 Protection
SENSITIVE GND
TIME OVERCURRENT
GE Multilin
b) Sensitive Ground Time Overcurrent
PATH: SETPOINTS S5 PROTECTION
[ ] SENSTV GND TIME OC
FUNCTION: Disabled
SENSTV GND TIME OC
MESSAGE
RELAYS (3-7): -----
SENSTV GND TIME OC
MESSAGE
PICKUP: 1.000 x CT
SENSTV GND TIME OC
MESSAGE
CURVE: Ext. Inverse
SENSTV GND TIME OC
MESSAGE
MULTIPLIER:
SENSTV GND TIME OC
MESSAGE
RESET: Instantaneous
SENSTV GND TIME OC
MESSAGE
DIRECTION: Disabled
The sensitive ground time overcurrent element, ANSI device 51SG is programmed
in this subgroup.
FIGURE 5–18: Sensitive Ground TOC Logic
http://www.GEmultilin.com
Feeder Management Relay
SENSITIVE GND CURRENT SENSITIVE GND TIME...
Range: Disabled, Trip, Trip & AR,
Alarm, Latched Alarm, Control
Range: Any combination of 3 to 7
Auxiliary relays
Range: 0.005 to 1.000 x CT in steps of
0.001
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
750/760
5–53