GE Multilin G650 Manual page 43

2.4 TECHNICAL SPECIFICATIONS
2.4.1.16 PHASE UNDERVOLTAGE (27P)
Voltage Input
Pickup level
Dropout level
Level accuracy
2
Curve Shapes
Reset type
Curve Multiplier (Time Dial)
Timing accuracy
Minimum Voltage Threshold
Logic
Supervised by Breaker
Snapshot Events
2.4.1.17 NEUTRAL OVERVOLTAGE (59NH)
Voltage Input
Pickup level
Dropout level
Level accuracy
Trip delay
Reset delay
Timing accuracy
Snapshot Events
2.4.1.18 GROUND OVERVOLTAGE (59G)
Voltage Input
Pickup level
Dropout level
Level accuracy
Trip delay
Reset delay
Timing accuracy
Snapshot Events
2-14
Fundamental Phasor of phase-to-ground or phase-to-
phase voltages (selectable by setting)
3 to 500 in steps of 1 V
102% to 103% of the pickup level
±1% reading ±0.1% Full Scale from 10 to 500 V at
nominal frequency
Fixed time or inverse curve
Instantaneous
0.00 to 900.00 s. in steps of 0.01 s.
±3.5% of operate time or 50 ms. (whichever is greater)
0 to 500 in steps of 1 V
Any/Two/All phases logic selectable by setting
Selectable by setting
Selectable by setting
Fundamental Phasor of the neutral voltage (calculated
from phases)
3 to 500 in steps of 1 V
97% to 98% of the pickup level
±1% reading ±0.1% Full Scale from 10 to 500 V at
nominal frequency
0.00 to 900.00 s. in steps of 0.01 s
0.00 to 900.00 s. in steps of 0.01 s
±3.5% of operate time or 50 ms. (whichever is greater)
Selectable by setting
Fundamental Phasor of the ground voltage (measured
from 4th voltage transformer)
3 to 500 in steps of 1 V
97% to 98% of the pickup level
±1% reading ±0.1% Full Scale from 10 to 500 V at
nominal frequency
0.00 to 900.00 s. in steps of 0.01 s
0.00 to 900.00 s. in steps of 0.01 s
±3.5% of operate time or 50 ms. (whichever is greater)
Selectable by setting
G650 Generator Protection & Control System
2 PRODUCT DESCRIPTION
GEK-113285A