User-Programmable Elements - GE c60 Instruction Manual

Breaker protection system
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CHAPTER 2: PRODUCT DESCRIPTION
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:
AUTORECLOSURE
Two breakers applications
Single- and three-pole tripping schemes
Up to four reclose attempts before lockout
Selectable reclosing mode and breaker sequence
OPEN POLE DETECTOR
Functionality:
Current pickup level:
Line capacitive reactances (X
, X
C1
Remote current pickup level:
Current dropout level:
THERMAL OVERLOAD PROTECTION
Thermal overload curves:
Base current:
Overload (k) factor:
Trip time constant:
Reset time constant:
Minimum reset time:
Timer accuracy (cold curve):
Timer accuracy (hot curve):
TRIP BUS (TRIP WITHOUT FLEXLOGIC)
Number of elements:
Number of inputs:
Operate time:
Timer accuracy:

2.4.2 User-programmable elements

FLEXLOGIC
Programming language:
Lines of code:
Internal variables:
Supported operations:
Inputs:
Number of timers:
Pickup delay:
Dropout delay:
C60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL
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)
Detects an open pole condition, monitoring breaker auxiliary contacts, the current in each
phase, and optional voltages on the line
0.000 to 30.000 pu in steps of 0.001
300.0 to 9999.9 sec.  in steps of 0.1
):
C0
0.000 to 30.000 pu in steps of 0.001
pickup + 3%, not less than 0.05 pu
IEC 255-8 curve
0.20 to 3.00 pu in steps of 0.01
1.00 to 1.20 pu in steps of 0.05
0 to 1000 min. in steps of 1
0 to 1000 min. in steps of 1
0 to 1000 min. in steps of 1
±100 ms or 2%, whichever is greater
±500 ms or 2%, whichever is greater for I
6
16
<2 ms at 60 Hz
±3% or 10 ms, whichever is greater
Reverse Polish Notation with graphical visualization (keypad programmable)
512
64
NOT, XOR, OR (2 to 16 inputs), AND (2 to 16 inputs), NOR (2 to 16 inputs), NAND (2 to 16 inputs),
latch (reset-dominant), edge detectors, timers
any logical variable, contact, or virtual input
32
0 to 60000 (ms, sec., min.) in steps of 1
0 to 60000 (ms, sec., min.) in steps of 1
< 0.9 × k × I
and I / (k × I
) > 1.1
p
b
b
SPECIFICATIONS
2
2-17

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