Thytronic Pro-N NVA100X-D - Voltage-Controlled; Restraint Overcurrent - 51 V; Residual Overcurrent - 50 N.1;51 N.1 or High Impedance Restricted Earth Fault - 87 NHIZ.1 - Side 1

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NVA100X-D - Manual - 02 - 2016
TECHNICAL DATA
I
LR
>> Element
CLP operating mode (Mode 51LR>>) With/without speed control
CLP activation time (t
LRCLP>>
)
[1]
0.00...200 s
0.00...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)
Defi nite time
51LR(48)/14 Second threshold defi nite time (I
LR
>>
def
) 0.90...8.00 I
B
(step 0.01 I
B
)
I
LR
>>
def
operating time (t
LR
>>
def
) 0.10...200 s
0.10...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 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 ± 0.5% with 0.1 I
n
± 0.2% with 1 I
n
Operate time accuracy 5% or ± 10 ms
Voltage-controlled / restraint overcurrent - 51V
Common confi guration:
51V Operating mode (Mode51V) Voltage controlled
Voltage restraint
Voltage restraint threshold 51V (U
-I/U
<) 0.10...1.00 U
n
(step 0.01 U
n
)
Voltage controlled fi rst threshold 51V (U
-I/U-1
<) 0.10...1.00 U
n
(step 0.01 U
n
)
Voltage controlled second threshold 51V (U
-I/U-2
<) 0.10...1.00 U
n
(step 0.01 U
n
)
K Reduction factor (K) 0.10...1.00 (step 0.01)
I-I/U> Element
I-I/U> Reset time delay (t-
I/U>RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Defi nite time
51V First threshold defi nite time (I-
I/U>def
) 0.20...10.00 I
n
(step 0.01 I
n
)
I-
I/U
>
def
Operating time (t
-I/U>def
) 0.07...100.0 s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I-I/U>> Element
I-I/U>> Reset time delay (t-
I/U>>RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Defi nite time
51V Second threshold defi nite time (I-
I/U>>def
) 0.20...20.00 I
n
(step 0.01 I
n
)
I-
I/U
>>
def
Operating time (t
-I/U>>def
) 0.07...100.0 s
0.07...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 ± 0.5% on current measures
± 0.5% on voltage measures
Operate time accuracy 5% or ± 10 ms
Residual overcurrent - 50N.1/51N .1 or High impedance restricted earth fault - 87NHIZ.1 - side 1
IE1> Element
I
E1
> Curve type (I
E1
>
Curve
) DEFINITE, IEC/BS A, B, C,
ANSI/IEEE MI, VI, EI, LIT, EM
CLP operating mode (I
E1CLP
> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
E1CLP>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I
E1
> Reset time delay (t
E1
>
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Defi nite time
50N.1/51N.1 First threshold defi nite time (I
E1
>
def
) 0.002...10.00 I
En1
0.002...0.999 I
En1
(step 0.001 I
En1
)
1.00...10.00 I
En1
(step 0.01 I
En1
)
I
E1
>
def
within CLP (I
E1CLP>def
) 0.002...10.00 I
En1
0.002...0.999 I
En1
(step 0.001 I
En1
)
1.00...10.00 I
En1
(step 0.01 I
En1
)
Note 1 The element is blocked for the t
LRCLP
time (an adjustable threshold active during CLP does not exist)
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