Thytronic Pro-N NVA100X-D, Руководство пользователя

Страница: 38 / 376

38
NVA100X-D - Manual - 02 - 2016
TECHNICAL DATA
3.8 CONTROL AND MONITORING
Second harmonic restraint - 2ndh-REST
Second harmonic restraint threshold ( I
2ndh
>) 10...50 % (step 1 %)
I
2ndh
> reset time delay ( t
2 ndh> R E S)
0...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Pickup time ≤ 0.04 s
Dropout ratio 0.95...0.98
Dropout time ≤ 0.05 s
Overshoot time 0.04 s
Pickup accuracy I
2ndh
> ± 1% with 0.1 I
n
, ± 0.5% with 1 I
n
Operate time accuracy 5% ± 10 ms
Trip Circuit Supervision - 74TCS
Operate time:
One binary input supervision 40 s
Two binary inputs supervision 2 s
Reset time delay:
One binary input supervision 6 s
Two binary inputs supervision 0.6 s
Selective block - BLOCK2
Selective block IN
BLIN1 Selective block operating mode ( ModeBLIN1 ) OFF-ON IPh/IE-ON IPh-ON IE
BLIN maximum activation time for phase protections ( t
B-IPh)
0.10...10.00 s (step 0.01 s)
BLIN maximum activation time for ground protections ( t
B-IE )
0.10...10.00 s (step 0.01 s)
Selective block OUT
BLOUT1 Selective block operating mode ( ModeBLOUT1 ) OFF-ON IPh/IE-ON IPh-ON IE
BLOUT Dropout time for phase protections ( t
F -IPh
) 0.00...1.00 s (step 0.01 s)
BLOUT Dropout time for ground protections ( t
F -IE
) 0.00...1.00 s (step 0.01 s)
BLOUT Dropout time for ground and phase protections ( t
F-IPh/IE
) 0.00...1.00 s (step 0.01 s)
Internal selective block - BLOCK4
Output internal selective block dropout time for phase protections ( t
F I-IPh
)
0.00...10.00 s (step 0.01 s)
Output internal selective block dropout time for ground protections ( t
F I-IE
)
0.00...10.00 s (step 0.01 s)
Circuit Breaker supervision
Circuit breaker diagnostic
Number of CB trips threshold ( N.Open ) 0...10000 (step 1)
Cumulative CB tripping currents threshold ( SumI ) 0....5000 I
n
(step 1 I
n
)
Cumulative CB tripping I
2
t threshold ( SumI^2t ) 0....5000 ( I
n
)
2
∙s (step 1 I
n
2
∙s)
Circuit Breaker opening time for I^2t calculation ( t
break
) 0.05...1.00 s (step 0.01 s)
Circuit Breaker maximum allowed opening time ( t
break
>) 0.05...1.00 s (step 0.01 s)
VT supervision - 74VT
74VT Negative sequence overvoltage threshold ( U
2 V T>
) 0.05...0.50 E
n
(step 0.01 E
n
)
74VT Negative sequence overcurrent threshold ( I
2 V T>
) 0.05...0.50 I
n
(step 0.01 I
n
)
74VT Phase undervoltage threshold ( U
V T<
) 0.05...0.50 E
n
(step 0.01 E
n
)
74VT Minimum change of current threshold ( D
I V T<
) 0.05...0.50 I
n
(step 0.01 I
n
)
74VT Alarm time delay ( t
V T-A L
) 0.0...10.0 s (step 0.1 s)
Undercurrent inhibition threshold (I
V T<
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
Pickup accuracy for negative sequence voltage thresholds ± 5% con 0.01 U
n
± 0.5% with 0.15 U
n
Pickup accuracy for negative sequence current thresholds ± 1% with I
2
= 0.5 I
n
± 1% with I
2
= 1 I
n
Operate time accuracy 5% or ± 10 ms
CT supervision - 74CT side H
74CT Threshold ( S
(H)
<) 0.10...0.95 (step 0.01)
74CT(H) Overcurrent threshold ( I
(H) *
) 0.10...1.00 I
nH
(step 0.01 I
nH
)
Operating time delay ( t
S(H)
<) 0.03...200 s
0.03...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)
Dropout ratio for the I
(H) *
pickup 0.95...0.98
Dropout time ≤ 0.05 s
Pickup accuracy I
(H) *
± 0.5% with 0.1 I
nH
, ± 0.2% with 1 I
nH
Pickup accuracy I
*
± 0.5% with 0.1 I
nH
, ± 0.2% with 1 I
nH
Operate time accuracy 5% ± 10 ms
—
—
•
•
•
•
—
—
—
—
—