GE D60 Instruction Manual page 51

Line distance protection system, ur series
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2 PRODUCT DESCRIPTION
WATTMETRIC ZERO-SEQUENCE DIRECTIONAL
Measured power:
zero-sequence
Number of elements:
2
Characteristic angle:
0 to 360° in steps of 1
Minimum power:
0.001 to 1.200 pu in steps of 0.001
Pickup level accuracy:
±1% or ±0.0025 pu, whichever is greater
Hysteresis:
3% or 0.001 pu, whichever is greater
Pickup delay:
definite time (0 to 600.00 s in steps of
0.01), inverse time, or FlexCurve
Inverse time multiplier:
0.01 to 2.00 s in steps of 0.01
Curve timing accuracy:
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
Operate time:
<30 ms at 60 Hz
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
Curve timing accuracy
at <0.90 x pickup:
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
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
Curve timing accuracy
at <0.90 x pickup:
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
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:
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
COMPENSATED OVERVOLTAGE
Elements:
1
Stages:
3
Pickup threshold:
0.250 to 3.000 pu in steps of 0.001
Pickup level accuracy:
±0.5% of reading from 10 to 208 V
Hysteresis:
97 to 98% of pickup
Pickup delay:
0.00 to 600.00 s in steps of 0.01
Timer accuracy:
±3% of operate time or ±20 ms (which-
ever is greater)
Operate time:
<2 cycles at 1.10 × pickup
GE Multilin
NEUTRAL OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Curve timing accuracy
at >1.1 x pickup:
Operate time:
AUXILIARY OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
Operate time:
NEGATIVE SEQUENCE OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
Operate time:
UNDERFREQUENCY
Minimum signal:
Pickup level:
Dropout level:
Level accuracy:
Time delay:
Timer accuracy:
Operate time:
Typical times are average operate times including variables such
as frequency change instance, test method, etc., and may vary by
±0.5 cycles.
OVERFREQUENCY
Pickup level:
Dropout level:
Level accuracy:
Time delay:
Timer accuracy:
Operate time:
D60 Line Distance Protection System
2.2 SPECIFICATIONS
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
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
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 ±1/4 cycle
(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% of operate time or ±20 ms, which-
ever is greater
<30 ms at 1.10  pickup at 60 Hz
0.10 to 1.25 pu in steps of 0.01
20.00 to 65.00 Hz in steps of 0.01
pickup + 0.03 Hz
±0.001 Hz
0 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle
(whichever is greater)
typically 4 cycles at 0.1 Hz/s change
typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change
20.00 to 65.00 Hz in steps of 0.01
pickup – 0.03 Hz
±0.001 Hz
0 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle
(whichever is greater)
typically 4 cycles at 0.1 Hz/s change
typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change
2
2-19

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