GE D60 Instruction Manual page 45

Line distance protection system ur series
Hide thumbs Also See for D60:
Table of Contents

Advertisement

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
Time accuracy:
±3% or ±20 ms, whichever is greater
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
Timing accuracy:
Operate at < 0.90 × pickup
±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)
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
Time accuracy:
±3% or ±20 ms (whichever is greater)
Operate time:
< 2 cycles at 1.10 × pickup
GE Multilin
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:
BREAKER FAILURE
Mode:
Current supervision:
Current supv. pickup:
Current supv. dropout:
Current supv. accuracy:
0.1 to 2.0 × CT rating: ±0.75% of reading or ±2% of rated
above 2 × CT rating:
BREAKER ARCING CURRENT
Principle:
Initiation:
Compensation for auxiliary relays: 0 to 65.535 s in steps of 0.001
Alarm threshold:
Fault duration accuracy: 0.25 of a power cycle
Availability:
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% 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
1-pole, 3-pole
phase, neutral current
0.001 to 30.000 pu in steps of 0.001
97 to 98% of pickup
(whichever is greater)
±2.5% of reading
2
accumulates breaker duty (I
t) and mea-
sures fault duration
programmable per phase from any Flex-
Logic™ operand
0 to 50000 kA2-cycle in steps of 1
1 per CT bank with a minimum of 2
2
2-13

Advertisement

Table of Contents
loading

Table of Contents