Thytronic Pro-N NVA100X-D - Directional Earth Fault Overcurrent with Calculated Residual Current- 67 N(Comp)

34
NVA100X-D - Manual - 02 - 2016
TECHNICAL DATA
I
ED
>>>> Element
CLP operating mode (I
EDCLP
>>>> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
EDCLP>>>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I
ED
>>>> Reset time delay (t
ED
>>>>
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
67N Fourth threshold defi nite time (I
ED
>>>>
def
- U
ED
>>>>
def
)
Residual current pickup value 0.002...10.00 I
En2
0.002...0.999 I
En2
(step 0.001 I
En2
)
1.00...10.00 I
En2
(step 0.01 I
En2
)
Residual voltage pickup value 0.004...0.500 U
En
(step 0.001 U
En
)
Characteristic angle 0...359°
(step 1°)
Half operating sector 1...180°
(step 1°)
I
ED
>>>>
def
within CLP (I
EDCLP
>>>>
def
) 0.002...10.00 I
En2
0.002...0.999 I
En2
(step 0.001 I
En2
)
1.00...10.00 I
En2
(step 0.01 I
En2
)
I
ED
>>>>
def
Operating time (t
ED
>>>>
def
) 0.05...10.00 s (step 0.01 s)
Pickup time ≤ 0.04 s
Dropout ratio 0.95...0.98
Dropout time ≤ 0.05 s
Overshoot time 0.04 s
Pickup accuracy with measured residual voltage (U
E
) ± 0.2%
Pickup accuracy with calculated residual voltage (U
EC
) ± 1% with 0.01U
ECn
± 0.5% with 0.1U
ECn
Pickup accuracy (residual current) ± 1% with 0.01 I
En2
± 0.3% with 1 I
En2
Pickup accuracy (phase) ± 2° with 0.002 I
En2
- 0.004 U
En
± 0.2° with 0.005 I
En2
- 0.01 U
En
± 0.2° with 0.1 I
En2
- 0.5 U
En
± 0.3% with 1 I
En2
Operate time accuracy 5% or ± 10 ms
Directional earth fault overcurrent with calculated residual current- 67N(Comp)
Common confi guration:
67N(Comp) Operating mode (Mode67NC) I /I∙cos
Residual voltage measurement type for 67NC - direct/calculated (3VoType67NC) U
E
/ U
EC
Residual current measurement type for 67NC - dir./calcolata (IECType67NC) I
ECL
/ I
ECH
67N Multiplier of threshold for insensitive zone (M) 1.5...10.0 (step 0.1)
67N Operation from 74VT internal (74VTint67N) OFF/Block/Not directional
67N Operation from 74VT external (74VText67N) OFF/Block/Not directional
I
EDC
> Element
I
EDC
> Curve type (I
EDC
>Curve)
DEFINITE
IEC/BS A, B, C, ANSI/IEEE MI, VI, EI, EM
CLP operating mode (I
EDCCLP
> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
EDCCLP>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I
ED
> Reset time delay (t
EDC
>
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
67N(Comp) First threshold defi nite time (I
ED>def
- U
ED>def
)
Residual current pickup value 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
)
Residual voltage pickup value 0.004...0.500 U
En
(step 0.001 U
En
)
Characteristic angle 0...359°
(step 1°)
Half operating sector 1...180°
(step 1°)
I
EDC
>
def
within CLP (I
EDCCLP>def
) 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
)
I
ED
>
def
Operating time (t
EDC
>
def
) 0.05...200 s
0.05...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)
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