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GE Multilin
L60 Line Phase Comparison System
2-11
2 PRODUCT DESCRIPTION
2.2 SPECIFICATIONS
2
NEGATIVE SEQUENCE IOC
Current:
Phasor
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
Operate time:
< 20 ms at 3
×
pickup at 60 Hz
Timing accuracy:
Operate at 1.5
×
pickup
±3% or ±4 ms (whichever is greater)
PHASE DIRECTIONAL OVERCURRENT
Relay connection:
90
°
(quadrature)
Quadrature voltage:
ABC phase seq.: phase A (V
BC
), phase
B (V
CA
), phase C (V
AB
); ACB phase
seq.: phase A (V
CB
), phase B (V
AC
),
phase C (V
BA
)
Polarizing voltage threshold: 0.000 to 3.000 pu in steps of 0.001
Current sensitivity threshold: 0.05 pu
Characteristic angle:
0 to 359
°
in steps of 1
Angle accuracy:
±2°
Operation time (FlexLogic™ operands):
Tripping (reverse load, forward fault):
<
12 ms, typically
Blocking (forward load, reverse fault):
<
8 ms, typically
NEUTRAL DIRECTIONAL OVERCURRENT
Directionality:
Co-existing forward and reverse
Polarizing:
Voltage, Current, Dual
Polarizing voltage:
V_0 or VX
Polarizing current:
IG
Operating current:
I_0
Level sensing:
3
×
(|I_0| –
K
×
|I_1|), IG
Restraint,
K
:
0.000 to 0.500 in steps of 0.001
Characteristic angle:
–90 to 90° in steps of 1
Limit angle:
40 to 90° in steps of 1, independent for
forward and reverse
Angle accuracy:
±2°
Offset impedance:
0.00 to 250.00
Ω
in steps of 0.01
Pickup level:
0.002 to 30.000 pu in steps of 0.01
Dropout level:
97 to 98%
Operation time:
< 16 ms at 3
×
pickup at 60 Hz
NEGATIVE SEQUENCE DIRECTIONAL OC
Directionality:
Co-existing forward and reverse
Polarizing:
Voltage
Polarizing voltage:
V_2
Operating current:
I_2
Level sensing:
Zero-sequence:|I_0| –
K
×
|I_1|
Negative-sequence:|I_2| –
K
×
|I_1|
Restraint,
K
:
0.000 to 0.500 in steps of 0.001
Characteristic angle:
0 to 90° in steps of 1
Limit angle:
40 to 90° in steps of 1, independent for
forward and reverse
Angle accuracy:
±2°
Offset impedance:
0.00 to 250.00
Ω
in steps of 0.01
Pickup level:
0.015 to 30.000 pu in steps of 0.01
Dropout level:
97 to 98%
Operation time:
< 16 ms at 3
×
pickup at 60 Hz
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
Voltage:
Phasor only
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)
Summary of Contents for UR series
Page 2: ......
Page 4: ......
Page 12: ...xii L60 Line Phase Comparison System GE Multilin TABLE OF CONTENTS ...
Page 32: ...1 20 L60 Line Phase Comparison System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 54: ...2 22 L60 Line Phase Comparison System GE Multilin 2 2 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Page 438: ...7 8 L60 Line Phase Comparison System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Page 478: ...8 40 L60 Line Phase Comparison System GE Multilin 8 3 FAULT LOCATOR 8 THEORY OF OPERATION 8 ...
Page 502: ...A 10 L60 Line Phase Comparison System GE Multilin A 1 PARAMETER LIST APPENDIXA A ...
Page 584: ...B 82 L60 Line Phase Comparison System GE Multilin B 4 MEMORY MAPPING APPENDIXB B ...
Page 622: ...D 10 L60 Line Phase Comparison System GE Multilin D 1 PROTOCOL APPENDIXD D ...
Page 634: ...E 12 L60 Line Phase Comparison System GE Multilin E 2 DNP POINT LISTS APPENDIXE E ...
Page 642: ...F 8 L60 Line Phase Comparison System GE Multilin F 3 WARRANTY APPENDIXF F ...