GE D30 Instruction Manual page 39

2 PRODUCT DESCRIPTION
LINE PICKUP
Phase instantaneous overcurrent: 0.000 to 30.000 pu
Undervoltage pickup: 0.000 to 3.000 pu
Overvoltage delay: 0.000 to 65.535 s
PHASE/NEUTRAL/GROUND TOC
Current: Phasor or RMS
Pickup level: 0.000 to 30.000 pu in steps of 0.001
Dropout level: 97% to 98% of pickup
Level accuracy:
for 0.1 to 2.0 × CT: ±0.5% of reading or ±0.4% of rated
(whichever is greater)
for > 2.0 × CT: ±1.5% of reading > 2.0 × CT rating
Curve shapes: IEEE Moderately/Very/Extremely
Inverse; IEC (and BS) A/B/C and Short
Inverse; GE IAC Inverse, Short/Very/
Extremely Inverse; I
(programmable); Definite Time (0.01 s
base curve)
Curve multiplier: Time Dial = 0.00 to 600.00 in steps of
0.01
Reset type: Instantaneous/Timed (per IEEE)
Timing accuracy: Operate at > 1.03 × actual pickup
±3.5% of operate time or ±½ cycle
(whichever is greater)
PHASE/NEUTRAL/GROUND IOC
Pickup level: 0.000 to 30.000 pu in steps of 0.001
Dropout level: 97 to 98% of pickup
Level accuracy:
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
Overreach: <2%
Pickup delay: 0.00 to 600.00 s in steps of 0.01
Reset delay: 0.00 to 600.00 s in steps of 0.01
<16 ms at 3 × pickup at 60 Hz
Operate time:
(Phase/Ground IOC)
<20 ms at 3 × pickup at 60 Hz
(Neutral IOC)
Operate at 1.5 × pickup
Timing accuracy:
±3% or ±4 ms (whichever is greater)
GE Multilin
NEGATIVE SEQUENCE TOC
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier (Time dial): 0.00 to 600.00 in steps of 0.01
Reset type:
2
t; FlexCurves™
Timing accuracy:
NEGATIVE SEQUENCE IOC
Pickup level:
Dropout level:
Level accuracy:
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
Overreach:
Pickup delay:
Reset delay:
Operate time:
Timing accuracy:
PHASE DIRECTIONAL OVERCURRENT
Relay connection:
Quadrature voltage:
ABC phase seq.: phase A (V
ACB phase seq.: phase A (V
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):
Tripping (reverse load, forward fault):< 12 ms, typically
Blocking (forward load, reverse fault):< 8 ms, typically
D30 Line Distance Relay
2.2 SPECIFICATIONS
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
Operate at > 1.03 × actual pickup
±3.5% of operate time or ±½ cycle
(whichever is greater)
0.000 to 30.000 pu in steps of 0.001
97 to 98% of pickup
< 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
Operate at 1.5 × pickup
±3% or ±4 ms (whichever is greater)
°
90 (quadrature)
), phase B (V ), phase C (V
BC CA
), phase B (V ), phase C (V
CB AC
°
0 to 359 in steps of 1
±2°
2
)
AB
)
BA
2-9