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2.2 SPECIFICATIONS
NEUTRAL DIRECTIONAL OVERCURRENT
Directionality:
Polarizing:
Polarizing voltage:
Polarizing current:
Operating current:
Level sensing:
2
Restraint, K:
Characteristic angle:
Limit angle:
Angle accuracy:
Offset impedance:
Pickup level:
Dropout level:
Operation time:
NEGATIVE SEQUENCE DIRECTIONAL OC
Directionality:
Polarizing:
Polarizing voltage:
Operating current:
Level sensing:
Restraint, K:
Characteristic angle:
Limit angle:
Angle accuracy:
Offset impedance:
Pickup level:
Dropout level:
Operation time:
WATTMETRIC ZERO-SEQUENCE DIRECTIONAL
Measured power:
Number of elements:
Characteristic angle:
Minimum power:
Pickup level accuracy:
Hysteresis:
Pickup delay:
Inverse time multiplier:
Time accuracy:
Operate time:
2-8
Co-existing forward and reverse
Voltage, Current, Dual
V_0 or VX
IG
I_0
3 × (|I_0| – K × |I_1|), IG
0.000 to 0.500 in steps of 0.001
–90 to 90° in steps of 1
40 to 90° in steps of 1, independent for
forward and reverse
±2°
0.00 to 250.00 Ω in steps of 0.01
0.002 to 30.000 pu in steps of 0.01
97 to 98%
< 16 ms at 3 × pickup at 60 Hz
Co-existing forward and reverse
Voltage
V_2
I_2
Zero-sequence:|I_0| – K × |I_1|
Negative-sequence:|I_2| – K × |I_1|
0.000 to 0.500 in steps of 0.001
0 to 90° in steps of 1
40 to 90° in steps of 1, independent for
forward and reverse
±2°
0.00 to 250.00 Ω in steps of 0.01
0.05 to 30.00 pu in steps of 0.01
97 to 98%
< 16 ms at 3 × pickup at 60 Hz
zero-sequence
2
0 to 360° in steps of 1
0.001 to 1.200 pu in steps of 0.001
±1% or ±0.0025 pu, whichever is greater
3% or 0.001 pu, whichever is greater
definite time (0 to 600.00 s in steps of
0.01), inverse time, or FlexCurve
0.01 to 2.00 s in steps of 0.01
±3% or ±20 ms, whichever is greater
<30 ms at 60 Hz
F60 Feeder Protection System
2 PRODUCT DESCRIPTION
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
Voltage:
Phasor only
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)
PHASE OVERVOLTAGE
Voltage:
Phasor only
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0.00 to 600.00 in steps of 0.01 s
< 30 ms at 1.10 × pickup at 60 Hz
Operate time:
Timing accuracy:
±3% or ±4 ms (whichever is greater)
NEUTRAL OVERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0.00 to 600.00 s in steps of 0.01 (definite
time) or user-defined curve
Reset delay:
0.00 to 600.00 s in steps of 0.01
Timing accuracy:
±3% or ±20 ms (whichever is greater)
< 30 ms at 1.10 × pickup at 60 Hz
Operate time:
GE Multilin
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