Siemens Siprotec 7UM611, Руководство пользователя

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4 Technical Data
320
7UM61 Manual
C53000-G1176-C127-3
4.7 Reverse Power Protection (ANSI 32R)
Setting Ranges / Increments
Times
Dropout Ratios
Tolerances
Influencing Variables for Pickup Values
Reverse power P
reverse
>/S
N
-0.50 % to -30.00 % Increments 0.01
%
Delay times T 0.00 to 60.00 s
or
∞
(ineffective)
Increments 0.01
s
Pickup Times
– Reverse power P
reverse
>
approx. 360 ms at f = 50 Hz
approx. 300 ms at f = 60 Hz
Dropout Times
– Reverse power P
reverse
>
approx. 360 ms at f = 50 Hz
approx. 300 ms at f = 60 Hz
– Reverse power P
reverse
> approx. 0.6
– Reverse power P
reverse
> 0.25 % S
N
±
3 % of setting value for Q < 0.5 S
N
SN: Rated apparent power,
Q: Reactive power
– Delay times T 1 % or 10 ms
Auxiliary DC voltage in range
0.8
≤
U
Aux
/U
AuxN
≤
1.15
≤
1 %
Temperature in Range
23
°
F or –5
°
C
≤ Θ
amb
≤
131
°
F or 55
°
C
≤
0.5 % / 10 K
Frequency in Range 0.95
≤
f/f
N
≤
1.05
≤
1 %
Harmonics
– Up to 10 % 3rd harmonic
– Up to 10 % 5th harmonic
≤
1 %
≤
1 %
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