Thytronic NA30, Manual

Page: 19 / 237

TECHNICAL DATA
19 NA30 - Manual - 04 - 2022
IE>>> Element
I
ECLP
>>> Activation time ( t
ECLP>>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I
E
>>> Reset time delay ( t
E
>>>
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
50N/51N Third threshold definite time ( I
E
>>>
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
E
>>>
def
within CLP ( I
ECLP>>>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
E
>>>
def
Operating time ( t
E
>>>
def
) 0.03...10.00 s (step 0.01 s)
Pickup time
≤
0.03 s
Dropout ratio 0.95...0.98
Dropout time
≤
0.05 s
Overshoot time 0.03 s
Pickup accuracy ± 0.5% with 0.01 I
En
, ± 0.2% with 1 I
En
Operate time accuracy 5% or ± 10 ms
‡ Residual overvoltage - 59N
Common configuration:
59N Operation from 74VT external ( 74 VText59N ) ON/OFF
U
E
> Element
U > Curve type ( U >
Curve
) DEFINITE/INVERSE
[1]
U
E
> Reset time delay ( t
UE>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
59N First threshold definite time ( U
E
>
def
) 0.01...0.70 U
En
(step 0.01 U
En
)
U
E
>
def
Operating time ( t
UE
>
def
) 0.07...100.0 s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Inverse time
59N First threshold inverse time ( U
E
>
inv
) 0.01...0.50 U
En
(step 0.01 U
En
)
U
E
>
inv
Operating time ( t
UE
>
inv
) 0.10...100.0 s
0.10...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
U
E
>> Element
U
E
>> Reset time delay ( t
UE>>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
59N Second threshold definite time ( U
E
>>
def
) 0.01...0.70 U
En
(step 0.01 U
En
)
U
E
>>
def
Operating time ( t
UE
>>
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
≤
0.03 s
Dropout ratio 0.95...0.98
Dropout time
≤
0.04 s
Overshoot time 0.03 s
Pickup accuracy ± 4% ± 1% U
En
Operate time accuracy 5% or ± 10 ms
‡ Directional earth fault overcurrent - 67N
Common configuration:
67N Operating mode ( Mode67N ) I / I ∙ cos
67N Multiplier of threshold for insensitive zone ( M ) 1.5...10.0 (step 0.1)
67N Operation from 74VT external ( 74VText67N ) OFF/Block/Not directional
I
ED
> Element
I
ED
> Curve type ( I
ED
> Curve)
DEFINITE
IEC/BS A, B, C, ANSI/IEEE MI, VI, EI, EM
Note 1 The mathematical formula for INVERSE curve is t= (0.5 ∙
t
UE
>
inv
) / [( U
E
/ U
E
>
inv
) - 1]
t: operating time (in seconds)
t
UE
>
inv
: operating time setting (referred to
U
E
/ U
E
>
inv
= 1.5 )
U
E
: residual input voltage (direct or calculated)
U
E
>
inv
: threshold setting
Asymptotic reference value: 1 . 1
U
E
>
inv
Minimum operate time: 0.1 s
Equation is valid for 1.1 ≤
U
E
/ U
E
>
inv
≤ 4