GE C60 Instruction Manual page 36

SPECIFICATIONS
Current supv. pickup:
Current supv. dropout:
Current supv. accuracy:
0.1 to 2.0 × CT rating:
above 2 × CT rating:
BREAKER ARCING CURRENT
Principle:
2
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
TRIP OUTPUT
Collects trip and reclose input requests and issues outputs to control tripping and reclosing.
Communications timer delay:
Evolving fault timer:
Timer accuracy:
OPEN POLE DETECTOR
Functionality:
2-22
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 digital signal processor (DSP)
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
0 to 65535 s in steps of 0.001
0.000 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle (whichever is greater)
Detects an open pole condition, monitoring breaker auxiliary contacts, the current in each
phase, and optional voltages on the line
CHAPTER 2: PRODUCT DESCRIPTION
C60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL