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2 PRODUCT DESCRIPTION
2.4.1.19 AUXILIARY OVERVOLTAGE (59X)
Voltage Input
Pickup level
Dropout level
Level accuracy
Trip delay
Reset delay
Timing accuracy
Snapshot Events
2.4.1.20 AUXILIARY UNDERVOLTAGE (27X)
Voltage Input
Pickup level
Dropout level
Level accuracy
Curve Shapes
Reset type
Curve Multiplier (Time Dial)
Timing accuracy
Snapshot Events
2.4.1.21 VOLTS PER HERTZ (24)
Voltage Input
Minimum Voltage
Pickup level
Dropout level
Level accuracy
Timing Curves
TD Multiplier
Reset delay
Timing accuracy
Snapshot Events
2.4.1.22 UNDERFREQUENCY (81U)
Pickup level
Dropout level
GEK-113328A
Fundamental Phasor of the auxiliary voltage
3 to 500 in steps of 1 V
97% to 98% of the pickup level
±1% reading ±0.1% Full Scale from 10 to 500V 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 auxiliary voltage
3 to 500 V 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
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)
Selectable by setting
Fundamental Phasor of phases or auxiliary voltage input
(selectable by setting)
30.00 to 500.00 in steps of 0.01 V
0.80 to 4.00 in steps of 0.01 pu V/Hz
97% to 98 % of the pickup level
±0.02 pu
Definite Time, Inverse A, B and C
0.05 to 600.00 s in steps of 0.01
0.0 to 900.0 s. in steps of 0.1 s
±3.5% of operate time or 10 cycles (whichever is
greater)
Selectable by setting
20.00 to 65.00 Hz in steps of 0.01 Hz
Pickup + 0.03 Hz
G650 Generator Protection & Control System
2.4 TECHNICAL SPECIFICATIONS
2
2-15
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