Siemens SIPROTEC 7UT63 series - Page 473

4.13 Forward active power supervision
473
7UT613/63x Manual
C53000-G1176-C160-2
Influencing Variables for Pickup Values
Power supply direct voltage in range
0.8 ≤ U
H
/U
HN
≤ 1,15
≤ 1 %
Temperature in range
–5 °C ≤ Θ
amb
≤ 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 %