Siemens SIPROTEC 7UM62 - 4.11 Reverse Power Protection (ANSI 32 R)

Technical Data
4.11 Reverse Power Protection (ANSI 32R)
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
483
4.11 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 s 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
(S
N
: Rated apparent power,
Q: Reactive power
– Delay times T 1 % or 10 ms
Power supply direct voltage in range 0.8 ≤ U
Aux
/U
AuxN
≤ 1.15 ≤ 1 %
Temperature in range 23.00 °F (–5 °C) ≤ Θ
amb
≤ 131.00 °F (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 %