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2.4 SPECIFICATIONS
NEGATIVE SEQUENCE TOC
Current:
Pickup level:
Dropout level:
Level accuracy:
2
Curve shapes:
Curve multiplier (Time dial): 0.00 to 600.00 in steps of 0.01
Reset type:
Curve timing accuracy
at 1.03 to 20 x pickup:
NEGATIVE SEQUENCE IOC
Current:
Pickup level:
Dropout level:
Level accuracy:
Overreach:
Pickup delay:
Reset delay:
Operate time:
Timer accuracy:
PHASE DIRECTIONAL OVERCURRENT
Relay connection:
Quadrature voltage:
Polarizing voltage threshold: 0.000 to 3.000 pu in steps of 0.001
Current sensitivity threshold: 0.05 pu
Characteristic angle:
Angle accuracy:
Operation time (FlexLogic operands):
2-22
Phasor
0.000 to 30.000 pu in steps of 0.001
97% to 98% of pickup
±0.5% of reading or ±0.4% of rated
(whichever is greater)
from 0.1 to 2.0 x CT rating
±1.5% of reading > 2.0 x CT rating
IEEE Moderately/Very/Extremely
Inverse; IEC (and BS) A/B/C and Short
Inverse; GE IAC Inverse, Short/Very/
2
Extremely Inverse; I
t; FlexCurves™
(programmable); Definite Time (0.01 s
base curve)
Instantaneous/Timed (per IEEE) and Lin-
ear
±3.5% of operate time or ±½ cycle
(whichever is greater) from pickup to
operate
Phasor
0.000 to 30.000 pu in steps of 0.001
97 to 98% of pickup
0.1 to 2.0 CT rating: ±0.5% of reading
or ±0.4% of rated (whichever is greater);
2.0 CT rating: ±1.5% of reading
2%
0.00 to 600.00 s in steps of 0.01
0.00 to 600.00 s in steps of 0.01
<20 ms at 3 pickup at 60 Hz
±3% of operate time or ±1/4 cycle
(whichever is greater)
°
90
(quadrature)
ABC phase seq.: phase A (V
), phase
BC
B (V
), phase C (V
); ACB phase
CA
AB
seq.: phase A (V
), phase B (V
CB
AC
phase C (V
)
BA
°
0 to 359
in steps of 1
±2°
Tripping (reverse load, forward fault):
12 ms, typically
Blocking (forward load, reverse fault):
8 ms, typically
L90 Line Current Differential System
NEUTRAL DIRECTIONAL OVERCURRENT
Directionality:
Polarizing:
Polarizing voltage:
Polarizing current:
Operating current:
Level sensing:
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:
Curve timing accuracy:
Operate time:
2 PRODUCT DESCRIPTION
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 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 in steps of 0.01
0.015 to 30.000 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
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
<30 ms at 60 Hz
GE Multilin
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