5-58 750/760 Feeder Management Relay GE Multilin
5.6 S5 PROTECTION 5 SETPOINTS
5
5.6.6 NEGATIVE SEQUENCE
a) MAIN MENU
PATH: SETPOINTS ÖØ S5 PROTECTION ÖØ NEGATIVE SEQUENCE
Separate protection is provided for the calculated negative sequence time overcurrent, instantaneous overcurrent and volt-
age. Each of these features can be individually blocked by logic inputs.
b) NEGATIVE SEQUENCE TIME OC
A time overcurrent element operating on the negative sequence component of current, ANSI device 46 is programmed in
this subgroup.
PATH: SETPOINTS ÖØ S5 PROTECTION ÖØ NEGATIVE SEQUENCE Ö NEG SEQ TIME OC
îš„ NEGATIVE SEQUENCE
îš„ [ENTER] for more
îš„ NEG SEQ TIME OC
îš„ [ENTER] for more
See below.
îš„ NEG SEQ INST OC
îš„ [ENTER] for more
See page 5–59.
îš„ NEG SEQ DIRECTION
îš„ [ENTER] for more
See page 5–60.
îš„ NEG SEQ VOLTAGE
îš„ [ENTER] for more
See page 5–62.
îš„ NEG SEQ TIME OC
îš„ [ENTER] for more
NEG SEQ TIME OC
FUNCTION: Disabled
Range: Disabled, Trip, Trip & AR, Alarm, Latched Alarm,
Control
NEG SEQ TIME OC
RELAYS (3-7): -----
Range: Any combination of 3 to 7 Auxiliary relays
NEG SEQ TIME OC
PICKUP: 1.00 x CT
Range: 0.05 to 20.00 x CT in steps of 0.01
NEG SEQ TIME OC
CURVE: Ext. Inverse
Range: see Table 5–4: TOC Curve Selections on page
5–32 for values
NEG SEQ TIME OC
MULTIPLIER: 1.00
Range: 0.00 to 100.00 in steps of 0.01
NEG SEQ TIME OC
RESET: Instantaneous
Range: Instantaneous, Linear
NEG SEQ TIME OC
DIRECTION: Disabled
Range: Disabled, Forward, Reverse
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Courtesy of NationalSwitchgear.com