Thytronic NA11

17
NA11 - Manual - 02 - 2009
TECHNICAL DATA
50/51 First threshold inverse time (I>
inv
) 0.100...5.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...5.00 I
n
(step 0.01 I
n
)
I>
inv
within CLP (I
CLP>inv
) 0.100...5.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...5.00 I
n
(step 0.01 I
n
)
I>
inv
Operating time (t>
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>> Element
I>> Curve type (I>>
Curve
) DEFINITE or I
2
t
I
CLP
>> Activation time (t
CLP>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I>> Reset time delay (t>>
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
50/51 Second threshold defi nite time (I>>
def
) 0.100...40.00 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>>
def
within CLP (I
CLP>>def
) 0.100...40.00 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>>
def
Operating time (t>>
def
) 0.03...10.00 s (step 0.01 s)
Inverse time
50/51 Second threshold inverse time (I>>
inv
) 0.100...20.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...20.00 I
n
(step 0.01 I
n
)
I>>
inv
within CLP (I
CLP>>inv
) 0.100...20.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...20.00 I
n
(step 0.01 I
n
)
I>>
inv
Operating time (t>>
inv
) 0.02...10.00 s (step 0.01 s)
I>>> Element
I
CLP
>>> Activation time (t
CLP>>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I>>> Reset time delay (t>>>
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
50/51 Third threshold defi nite time (I>>>
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>>>
def
within CLP (I
CLP>>>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>>>
def
Operating time (t>>>
def
) 0.03...10.00 s (step 0.01 s)
Pickup time ≤ 0.03 s
Dropout ratio 0.95...0.98
Dropout time ≤ 0.04 s
Overshoot time 0.03 s
Reference values rest: 0
Pickup accuracy ± 4% ± 1% I
n
Operate time accuracy 5% or ± 10 ms
Phase overcurrent - 50/51 - settings for low power CTs version (LPCT)
I> Element
I> Curve type (I>
Curve
) DEFINITE
IEC/BS A, B, C
ANSI/IEEE MI, VI, EI
RECTIFIER, I
2
t or EM
I
CLP
> Activation time (t
CLP>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
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