GE G60 Instruction Manual page 31

2 PRODUCT DESCRIPTION
GENERATOR UNBALANCE
Gen. nominal current: 0.000 to 1.250 pu in steps of 0.001
2
Stages: 2 (I t with linear reset and definite time)
Pickup level: 0.00 to 100.00% in steps of 0.01
Dropout level: 97 to 98% of pickup
Level accuracy:
0.1 to 2 x CT rating: ±0.5% of reading or 1% of rated
(whichever is greater)
> 2.0 x CT rating: ±1.5% of reading
Time dial (K-value): 0.00 to 100.00 in steps of 0.01
Pickup delay: 0.0 to 1000.0 s in steps of 0.1
Reset delay: 0.0 to 1000.0 s in steps of 0.1
Time accuracy: ±3% or ±20 ms, whichever is greater
Operate time: < 50 ms at 60 Hz
SPLIT PHASE PROTECTION
Operating quantity: split phase CT current biased by genera-
tor load current
Pickup level: 0.020 to 1.500 pu in steps of 0.001
Dropout level: 97 to 98% of pickup
Level accuracy: ±0.5% of reading or ±1% of rated
Pickup delay: 0.000 to 65.535 s in steps of 0.001
Time accuracy: ±3% or ±5 cycles, whichever is greater
< 5 cycles at 1.10 × Pickup at 60 Hz
Operate time:
SENSITIVE DIRECTIONAL POWER
Measured power: 3-phase, true RMS
Number of stages: 2
Characteristic angle: 0 to 359° in steps of 1
Calibration angle: 0.00 to 0.95° in steps of 0.05
Minimum power: –1.200 to 1.200 pu in steps of 0.001
Pickup level accuracy: ±1% or ±0.001 pu, whichever is greater
Hysteresis: 2% or 0.001 pu, whichever is greater
Pickup delay: 0 to 600.00 s in steps of 0.01
Time accuracy: ±3% or ±4 ms, whichever is greater
Operate time: 50 ms
PHASE UNDERVOLTAGE
Pickup level: 0.000 to 3.000 pu in steps of 0.001
Dropout level: 102 to 103% of Pickup
Level accuracy: ±0.5% of reading from 10 to 208 V
Curve shapes: GE IAV Inverse;
Definite Time (0.1s base curve)
Curve multiplier: Time Dial = 0.00 to 600.00 in steps of
0.01
Operate at < 0.90 × Pickup
Timing accuracy:
±3.5% of operate time or ±4 ms (which-
ever is greater)
AUXILIARY UNDERVOLTAGE
Pickup level: 0.000 to 3.000 pu in steps of 0.001
Dropout level: 102 to 103% of pickup
Level accuracy: ±0.5% of reading from 10 to 208 V
Curve shapes: GE IAV Inverse, Definite Time
Curve multiplier: Time Dial = 0 to 600.00 in steps of 0.01
Timing accuracy: ±3% of operate time or ±4 ms
(whichever is greater)
GE Multilin
THIRD HARMONIC NEUTRAL UNDERVOLTAGE
Operating quantity:
Undervoltage:
Pickup level:
Dropout level:
Accuracy:
Power:
Pickup level:
Dropout level:
Accuracy:
Undervoltage Inhibit
Level:
Accuracy:
Pickup delay:
Time accuracy:
Operate time:
PHASE OVERVOLTAGE
Voltage:
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Operate time:
Timing accuracy:
NEUTRAL OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timing accuracy:
Operate time:
AUXILIARY OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timing accuracy:
Operate time:
NEGATIVE SEQUENCE OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Time accuracy:
Operate time:
VOLTS PER HERTZ
Voltage:
Pickup level:
Dropout level:
Level accuracy:
G60 Generator Management Relay
2.2 SPECIFICATIONS
3rd harmonic of auxiliary undervoltage
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±2% of reading from 1 to 120 V
0.000 to 1.200 pu in steps of 0.001
97 to 98% of pickup
±5% or ±0.01 pu, whichever is greater
0.000 to 3.000 pu in steps of 0.001 pu
±0.5% of reading from 10 to 208 V
0 to 600.00 s in steps of 0.01
±3% or ±20 ms, whichever is greater
< 30 ms at 1.10 × pickup at 60 Hz
Phasor only
0.000 to 3.000 pu in steps of 0.001
97 to 98% of Pickup
±0.5% of reading from 10 to 208 V
0.00 to 600.00 in steps of 0.01 s
< 30 ms at 1.10 × Pickup at 60 Hz
±3% or ±4 ms (whichever is greater)
0.000 to 1.250 pu in steps of 0.001
97 to 98% of Pickup
±0.5% of reading from 10 to 208 V
0.00 to 600.00 s in steps of 0.01
0.00 to 600.00 s in steps of 0.01
±3% or ±4 ms (whichever is greater)
< 30 ms at 1.10 × Pickup at 60 Hz
0.000 to 3.000 pu in steps of 0.001
97 to 98% of Pickup
±0.5% of reading from 10 to 208 V
0 to 600.00 s in steps of 0.01
0 to 600.00 s in steps of 0.01
±3% of operate time or ±4 ms
(whichever is greater)
< 30 ms at 1.10 × pickup at 60 Hz
0.000 to 1.250 pu in steps of 0.001
97 to 98% of Pickup
±0.5% of reading from 10 to 208 V
0 to 600.00 s in steps of 0.01
0 to 600.00 s in steps of 0.01
±3% or ±20 ms, whichever is greater
< 30 ms at 1.10 × Pickup at 60 Hz
Phasor only
0.80 to 4.00 in steps of 0.01 pu V/Hz
97 to 98% of Pickup
±0.02 pu
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