Siemens Siprotec 7UM612 - Reverse Power Protection (ANSI 32 R)

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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