Siemens Siprotec 7UM612 - Forward Active Power Supervision (ANSI 32 F)

4.8 Forward Active Power Supervision (ANSI 32F)
321
7UM61 Manual
C53000-G1176-C127-3
4.8 Forward Active Power Supervision (ANSI 32F)
Setting Ranges / Increments
Times
Dropout ratios
Tolerances
Influencing Variables for Pickup Values
Reverse power P
reverse
>/S
N
0.5 % to 120.0 % Increments 0.1 %
Reverse power P
reverse
>/S
N
1.0 % to 120.0 % Increments 0.1 %
Delay times T 0.00 to 60.00 s
or ∞ (ineffective)
Increments 0.01
s
Pickup Times
– Active power P<, P>
with high–accuracy measurement:
approx. 360 ms at f = 50 Hz
approx. 300 ms at f = 60 Hz
with high–speed measurement:
approx. 60 ms at f = 50 Hz
approx. 50 ms at f = 60 Hz
Dropout Times
– Active power P<, P>
with high–accuracy measurement:
approx. 360 ms at f = 50 Hz
approx. 300 ms at f = 60 Hz
with high–speed measurement:
approx. 60 ms at f = 50 Hz
approx. 50 ms at f = 60 Hz
Active power P
Act
< approx. 1.10 or 0.5 % of S
N
Active power P
Act
> approx. 0.90 or -0.5 % of S
N
Active power P<, P> 0.25 % S
N
± 3 % of set value
with high-accuracy measurement
0.5 % S
N
± 3 % of set value
with high-speed measurement
(S
N
: Rated apparent 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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