Thytronic NA30

TECHNICAL DATA
20
NA30 - Manual - 04 - 2022
I
EDCLP
> 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)
Definite time
67N First threshold definite time (I
ED>def
- U
ED>def
)
Residual current pickup value 0.002...10.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
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
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
I
ED
>
def
Operating time (t
ED
>
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)
Inverse time
[1]
67N First threshold inverse time (I
ED>inv
- U
ED>inv
)
Residual current pickup value 0.002...2.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...2.00 I
En
(step 0.01 I
En
)
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
>
inv
within CLP (I
EDCLP
>
inv
) 0.002...2.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...2.00 I
En
(step 0.01 I
En
)
I
ED
>
inv
Operating time (t
ED
>
inv
) 0.02...60.0 s
0.02...9.99 s (step 0.01 s)
10.0...60.0 s (step 0.1 s)
I
ED
>> Element
I
ED
>> Curve type (I
ED
>>Curve) DEFINITE
IEC/BS A, B, C
ANSI/IEEE MI, VI, EI, EM
I
EDCLP
>> 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)
Definite time
67N Second threshold definite time (I
ED
>>
def
- U
ED
>>
def
)
Residual current pickup value 0.002...10.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
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
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
I
ED
>>
def
Operating time (t
ED
>>
def
) 0.05...10.00 s (step 0.01 s)
Note 1
Standard Inverse Time (IEC 255-3/BS142 type A or SIT): t = 0.14 · t
ED
>
inv
/ [(I
E
/I
ED
>
inv
)
0.02
- 1]
Very Inverse Time (IEC 255-3/BS142 type B or VIT): t = 13.5 · t
ED
>
inv
/ [(I
E
/I
ED
>
inv
) - 1]
Extremely Inverse Time (IEC 255-3/BS142 type C or EIT): t = 80 · t
ED
>
inv
/ [(I
E
/I
ED
>
inv
)
2
- 1]
Moderately Inverse (ANSI/IEEE type MI): t = t
ED
>
inv
· {0.01 / [(I
E
/I
ED
>
inv
)
0.02
- 1] + 0.023}
Very Inverse (ANSI/IEEE type VI): t = t
ED
>
inv
· {3.922 / [(I
E
/I
ED
>
inv
)
2
- 1] + 0.098}
Extremely Inverse (ANSI/IEEE type EI): t = t
ED
>
inv
· {5.64 / [(I
E
/I
ED
>
inv
)
2
- 1] + 0.024}
Electromechanical (EM): t = 0.28 · t
ED
>
inv
/ [-0.236 · (I
E
/I
ED
>
inv
)
-1
+ 0.339]
t: operate time
I
ED
>
inv
: pickup value
t
ED
>
inv
: operate time setting
Asymptotic reference value: 1.1 I
ED
>
inv
Minimum operate time: 0.1 s
Equation is valid for 1.1 ≤ I
E
/I
ED
>
inv
≤ 20
With I
ED
>
inv
pickup ≥ 0.5 I
n
, the upper limit is 10 I
En