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NC2 0 - Manual - 01 - 2015
FUNCTION CHARACTERISTICS
Use of measured values
f
i
L1,
i
L2
, i
L3
I
L1,
I
L2
, I
L3
I
L1RMS,
I
L2RMS
, I
L3RMSI
i
N
I
N
I
ECOMP
i
ECOMP
u
L1,
u
L2
, u
L3
U
L1,
U
L2
, U
L3
Binary input IN1, IN2
Output relay K1...K6
Start LED L1...L5
Trip LED L1...L5
Logic block (Block1)
Selective block (Block2)
Breaker failure (BF)
Cold Load Pickup (CLP)
PROTECTION
Undervoltage - 27
g gggg g
Undercurrent - 37
g gggg
Discharge timer- TD
g
Phase unbalance current - 46
g ggggggg
Neutral unbalance current - 46N
g ggggggg
Thermal image - 49
g ggggggg
RMS phase overcurrent - 50/51
g ggggggg
Fundamental frequency phase overcurrent - 50/51
g g ggggg
Residual overcurrent - 50N/51N
g g ggggg
Overvoltage - 59
ggggg
Breaker failure - BF
ggggg
CONTROL & MONITORING
Trip Circuit Supervision - TCS
g
Circuit Breaker supervision
g
Logic block - Block1
g
Selective block - Block2
ggg
Frequency tracking - IF
g
Self
EVENT RECORDING (SER)
Event 0
gggg
Event 1
gggg
Event 2
gggg
Event ...
gggg
Event 299
gggg
FAULT RECORDING (SFR)
Fault 0
g gg gg gggg
Fault 1
g gg gg gggg
Fault 2
g gg gg gggg
Fault ...
g gg gg gggg
Fault 19
g gg gg gggg
DIGITAL FAULT RECORDER (OSCILLOGRAPHY)
Record 1
gggggggggggg
Record 2
gggggggggggg
Record 3
gggggggggggg
Record ...
gggggggggggg
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