GE Feeder Management Relay 750

5-62 750/760 Feeder Management Relay GE Multilin
5.6 S5 PROTECTION 5 SETPOINTS
5
e) NEGATIVE SEQUENCE VOLTAGE
PATH: SETPOINTS ÖØ S5 PROTECTION ÖØ NEGATIVE SEQUENCE ÖØ NEG SEQ VOLTAGE
To protect against loss of one or two source phases, or against a reversed phase sequence of voltage, the negative
sequence voltage element can be used to either cause a trip or generate an alarm when the negative sequence voltage
exceeds the specified threshold for a specified time delay.
Figure 5–26: NEGATIVE SEQUENCE VOLTAGE LOGIC
 NEG SEQ VOLTAGE
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NEG SEQ VOLTAGE
FUNCTION: Disabled
Range: Disabled, Trip, Alarm, Latched Alarm, Control
NEG SEQ VOLTAGE
RELAYS (3-7): -----
Range: Any combination of 3 to 7 Auxiliary relays
NEG SEQ VOLTAGE
PICKUP: 0.10 x VT
Range: 0.00 to 1.25 x VT in steps of 0.01
NEG SEQ VOLTAGE
DELAY: 2.0 s
Range: 0.0 to 6000.0 s in steps of 0.1
ENTER
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Courtesy of NationalSwitchgear.com