2-20
C60 Breaker Protection System
GE Multilin
2.4 SPECIFICATIONS
2 PRODUCT DESCRIPTION
2
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
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
NEUTRAL OVERVOLTAGE
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 s in steps of 0.01 (definite
time) or user-defined curve
Reset delay:
0.00 to 600.00 s in steps of 0.01
Curve timing accuracy
at >1.1 x pickup:
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
AUXILIARY OVERVOLTAGE
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 to 600.00 s in steps of 0.01
Reset delay:
0 to 600.00 s in steps of 0.01
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
BREAKER FAILURE
Mode:
1-pole, 3-pole
Current supervision:
phase, neutral current
Current supv. pickup:
0.001 to 30.000 pu in steps of 0.001
Current supv. dropout:
97 to 98% of pickup
Current supv. accuracy:
0.1 to 2.0
×
CT rating: ±0.75% of reading or ±2% of rated
(whichever is greater)
above 2
×
CT rating:
±2.5% of reading
BREAKER ARCING CURRENT
Principle:
accumulates breaker duty (I
2
t) and mea-
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 kA
2
-cycle in steps of 1
Fault duration accuracy: 0.25 of a power cycle
Availability:
1 per CT bank with a minimum of 2
BREAKER FLASHOVER
Operating quantity:
phase current, voltage and voltage differ-
ence
Pickup level voltage:
0 to 1.500 pu in steps of 0.001
Dropout level voltage:
97 to 98% of pickup
Pickup level current:
0 to 1.500 pu in steps of 0.001
Dropout level current:
97 to 98% of pickup
Level accuracy:
±0.5% or ±0.1% of rated, whichever is
greater
Pickup delay:
0 to 65.535 s in steps of 0.001
Timer accuracy:
±3% of operate time or ±42 ms, which-
ever is greater
Operate time:
<42 ms at 1.10
×
pickup at 60 Hz
BREAKER RESTRIKE
Principle:
detection of high-frequency overcurrent
condition ¼ cycle after breaker opens
Availability:
one per CT/VT module (not including 8Z
modules)
Pickup level:
0.1 to 2.00 pu in steps of 0.01
Reset delay:
0.000 to 65.535 s in steps of 0.001
SYNCHROCHECK
Max voltage difference: 0 to 400000 V in steps of 1
Max angle difference:
0 to 100
°
in steps of 1
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
Two breakers applications
Single- and three-pole tripping schemes
Up to 4 reclose attempts before lockout
Selectable reclosing mode and breaker sequence
OPEN POLE DETECTOR
Functionality:
Detects an open pole condition, monitor-
ing breaker auxiliary contacts, the cur-
rent in each phase and optional voltages
on the line
Current pickup level:
0.000 to 30.000 pu in steps of 0.001
Line capacitive reactances (
X
C
1
,
X
C
0
): 300.0 to 9999.9 sec.
Ω
in
steps of 0.1
Remote current pickup level: 0.000 to 30.000 pu in steps of 0.001
Current dropout level:
3%, not less than 0.05 pu
THERMAL OVERLOAD PROTECTION
Thermal overload curves: IEC 255-8 curve
Base current:
0.20 to 3.00 pu in steps of 0.01
Overload (
k
) factor:
1.00 to 1.20 pu in steps of 0.05
Trip time constant:
0 to 1000 min. in steps of 1
Reset time constant:
0 to 1000 min. in steps of 1
Minimum reset time:
0 to 1000 min. in steps of 1
Timer accuracy (cold curve): ±100 ms or 2%, whichever is greater
Timer accuracy (hot curve): ±500 ms or 2%, whichever is greater
for
I
p
< 0.9 ×
k
×
I
b
and I / (
k
×
I
b
) > 1.1
Содержание C60
Страница 10: ...x C60 Breaker Protection System GE Multilin TABLE OF CONTENTS ...
Страница 30: ...1 20 C60 Breaker Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 420: ...5 284 C60 Breaker Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 423: ...GE Multilin C60 Breaker Protection System 6 3 6 ACTUAL VALUES 6 1 OVERVIEW 6 FIRMWARE REVISIONS See page 6 28 ...
Страница 466: ...8 4 C60 Breaker Protection System GE Multilin 8 1 FAULT LOCATOR 8 THEORY OF OPERATION 8 ...
Страница 478: ...9 12 C60 Breaker Protection System GE Multilin 9 6 DISPOSAL 9 MAINTENANCE 9 ...
Страница 492: ...A 14 C60 Breaker Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 648: ...E 10 C60 Breaker Protection System GE Multilin E 1 OVERVIEW APPENDIX E E ...
Страница 660: ...F 12 C60 Breaker Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Страница 670: ...H 8 C60 Breaker Protection System GE Multilin H 2 ABBREVIATIONS APPENDIX H H Z Impedance Zone ...
Страница 672: ...H 10 C60 Breaker Protection System GE Multilin H 3 WARRANTY APPENDIX H H ...
Страница 682: ...x C60 Breaker Protection System GE Multilin INDEX ...