GE C60 Instruction Manual page 33

CHAPTER 2: PRODUCT DESCRIPTION
Timer accuracy:
Operate time:
Typical times are average operate times including variables such as frequency change instance, test method, and so on, and can vary by
±0.5 cycles.
BREAKER FAILURE
Mode:
Current supervision:
Current supv. pickup:
Current supv. dropout:
Current supv. accuracy:
0.1 to 2.0 × CT rating:
above 2 × CT rating:
BREAKER ARCING CURRENT
Principle:
Initiation:
Compensation for auxiliary relays:
Alarm threshold:
Fault duration accuracy:
Availability:
BREAKER FLASHOVER
Operating quantity:
Pickup level voltage:
Dropout level voltage:
Pickup level current:
Dropout level current:
Level accuracy:
Pickup delay:
Timer accuracy:
Operate time:
BREAKER RESTRIKE
Principle:
Availability:
Pickup level:
Reset delay:
SYNCHROCHECK
Max voltage difference:
Max angle difference:
Max freq. difference:
Hysteresis for max. freq. diff.:
Dead source function:
S-CLS MAX dF:
S-CLS MIN dF:
V2 MAG CORR FACTOR:
V2 ANGLE SHIFT:
AUTORECLOSURE
Two breakers applications
Single- and three-pole tripping schemes
Up to four reclose attempts before lockout
Selectable reclosing mode and breaker sequence
C60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL
±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
1-pole, 3-pole
phase, neutral current
0.020 to 30.000 pu in steps of 0.001
97 to 98% of pickup
±0.75% of reading or ±2% of rated (whichever is greater)
±2.5% of reading
2
accumulates breaker duty (I t) and measures fault duration
programmable per phase from any FlexLogic operand
0 to 65.535 s in steps of 0.001
2
0 to 50000 kA -cycle in steps of 1
0.25 of a power cycle
1 per CT bank with a minimum of 2
phase current, voltage, and voltage difference
0.004 to 1.500 pu in steps of 0.001
97 to 98% of pickup
0.020 to 1.500 pu in steps of 0.001
97 to 98% of pickup
±0.5% or ±0.1% of rated, whichever is greater
0 to 65.535 s in steps of 0.001
±3% of operate time or ±42 ms, whichever is greater
<42 ms at 1.10 × pickup at 60 Hz
detection of high-frequency overcurrent condition ¼ cycle after breaker opens
one per CT/VT module (not including 8Z modules)
0.1 to 2.00 pu in steps of 0.01
0.000 to 65.535 s in steps of 0.001
0 to 400000 V in steps of 1
°
0 to 100 in steps of 1
0.00 to 2.00 Hz in steps of 0.01
0.00 to 0.10 Hz in steps of 0.01
None, LV1 & DV2, DV1 & LV2, DV1 or DV2, DV1 xor DV2, DV1 & DV2 (L = Live, D = Dead)
0.10 to 2.00 Hz in steps of 0.01
0.00 to 1.00 Hz in steps of 0.01
0.10 to 10.00 in steps of 0.01
° ° °
-180 to +180 in steps of 1
SPECIFICATIONS
2
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