Siemens SIPROTEC 7UM62 - 4.12 Forward Active Power Supervision (ANSI 32 F)

Technical Data
4.12 Forward Active Power Supervision (ANSI 32F)
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
484
4.12 Forward Active Power Supervision (ANSI 32F)
Setting Ranges / Increments
Times
Dropout ratios
Tolerances
Influencing Variables for Pickup Values
Forward power P
Forward
</S
Nenn
0.5 % to 120.0 % Increments 0.1 %
Forward power P
Forward
>/S
N
1.0 % to 120.0 % Increments 0.1 %
Delay times T 0.00 s 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 measure-
ment
0,5 % S
N
±3 % of set value with high-speed mesurement
(S
N
: Rated apparent 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 %