GEK-113285A G650 Generator Protection & Control System 2-15
2 PRODUCT DESCRIPTION 2.4 TECHNICAL SPECIFICATIONS
2
2.4.1.19 AUXILIARY OVERVOLTAGE (59X)
2.4.1.20 AUXILIARY UNDERVOLTAGE (27X)
2.4.1.21 VOLTS PER HERTZ (24)
2.4.1.22 UNDERFREQUENCY (81U)
Voltage Input Fundamental Phasor of the auxiliary voltage
Pickup level 3 to 500 in steps of 1 V
Dropout level 97% to 98% of the pickup level
Level accuracy
±1% reading ±0.1% Full Scale from 10 to 500V at
nominal frequency
Trip delay 0.00 to 900.00 s. in steps of 0.01 s
Reset delay 0.00 to 900.00 s. in steps of 0.01 s
Timing accuracy ±3.5% of operate time or 50 ms. (whichever is greater)
Snapshot Events Selectable by setting
Voltage Input Fundamental Phasor of the auxiliary voltage
Pickup level 3 to 500 V in steps of 1 V
Dropout level 97% to 98% of the pickup level
Level accuracy
±1% reading ±0.1% Full Scale from 10 to 500 V at
nominal frequency
Curve Shapes Fixed time or inverse curve
Reset type Instantaneous
Curve Multiplier (Time Dial) 0.00 to 900.00 s. in steps of 0.01 s
Timing accuracy ±3.5% of operate time or 50 ms. (whichever is greater)
Snapshot Events Selectable by setting
Voltage Input Fundamental Phasor of phases or auxiliary voltage input
(selectable by setting)
Minimum Voltage 30.00 to 500.00 in steps of 0.01 V
Pickup level 0.80 to 4.00 in steps of 0.01 pu V/Hz
Dropout level 97% to 98 % of the pickup level
Level accuracy ±0.02 pu
Timing Curves Definite Time, Inverse A, B and C
TD Multiplier 0.05 to 600.00 s in steps of 0.01
Reset delay 0.0 to 900.0 s. in steps of 0.1 s
Timing accuracy ±3.5% of operate time or 10 cycles (whichever is
greater)
Snapshot Events Selectable by setting
Pickup level 20.00 to 65.00 Hz in steps of 0.01 Hz
Dropout level Pickup + 0.03 Hz
To Next Page
Loading...
