GE D30 series Instruction Manual page 42

Line distance protection system. ur series
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2.2 SPECIFICATIONS
PHASE UNDERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
2
Timing accuracy:
AUXILIARY UNDERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
Timing accuracy:
PHASE OVERVOLTAGE
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:
2-12
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±0.5% of reading from 10 to 208 V
GE IAV Inverse;
Definite Time (0.1s base curve)
Time dial = 0.00 to 600.00 in steps of
0.01
Operate at < 0.90  pickup
±3.5% of operate time or ±4 ms (which-
ever is greater)
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±0.5% of reading from 10 to 208 V
GE IAV Inverse, Definite Time
Time Dial = 0 to 600.00 in steps of 0.01
±3% of operate time or ±4 ms
(whichever is greater)
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 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 s in steps of 0.01 (definite
time) or user-defined curve
0.00 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
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
D30 Line Distance Protection System
2 PRODUCT DESCRIPTION
BREAKER ARCING CURRENT
Principle:
accumulates breaker duty (I
sures fault duration
Initiation:
programmable per phase from any Flex-
Logic operand
Compensation for auxiliary relays: 0 to 65.535 s in steps of 0.001
Alarm threshold:
0 to 50000 kA2-cycle in steps of 1
Fault duration accuracy: 0.25 of a power cycle
Availability:
1 per CT bank with a minimum of 2
SYNCHROCHECK
Max voltage difference: 0 to 400000 V in steps of 1
Max angle difference:
0 to 100
Max freq. difference:
0.00 to 2.00 Hz in steps of 0.01
Hysteresis for max. freq. diff.: 0.00 to 0.10 Hz in steps of 0.01
Dead source function:
None, LV1 & DV2, DV1 & LV2, DV1 or
DV2, DV1 xor DV2, DV1 & DV2
(L = Live, D = Dead)
AUTORECLOSURE
Single breaker applications, 3-pole tripping schemes
Up to 4 reclose attempts before lockout
Independent dead time setting before each shot
Possibility of changing protection settings after each shot with
FlexLogic
POWER SWING DETECT
Functions:
Power swing block, Out-of-step trip
Characteristic:
Mho or Quad
Measured impedance:
Positive-sequence
Blocking / tripping modes: 2-step or 3-step
Tripping mode:
Early or Delayed
Current supervision:
Pickup level:
0.050 to 30.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Fwd / reverse reach (sec. ): 0.10 to 500.00  in steps of 0.01
Left and right blinders (sec. ): 0.10 to 500.00  in steps of 0.01
Impedance accuracy:
±5%
Fwd / reverse angle impedances: 40 to 90° in steps of 1
Angle accuracy:
±2°
Characteristic limit angles: 40 to 140° in steps of 1
Timers:
0.000 to 65.535 s in steps of 0.001
Timing accuracy:
±3% or 4 ms, whichever is greater
LOAD ENCROACHMENT
Responds to:
Positive-sequence quantities
Minimum voltage:
0.000 to 3.000 pu in steps of 0.001
Reach (sec. ):
0.02 to 250.00  in steps of 0.01
Impedance accuracy:
±5%
Angle:
5 to 50° in steps of 1
Angle accuracy:
±2°
Pickup delay:
0 to 65.535 s in steps of 0.001
Reset delay:
0 to 65.535 s in steps of 0.001
Time accuracy:
±3% or ±4 ms, whichever is greater
Operate time:
< 30 ms at 60 Hz
2
t) and mea-
°
in steps of 1
GE Multilin

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