4.2 Definite-Time Overcurrent Protection (I>, ANSI 50/51; I>>, ANSI 50/51/67)
307
7UM61 Manual
C53000-G1176-C127-3
Influencing Variables for Pickup Values
Auxiliary direct voltage in range 0.8 ≤
U
A
/U
AN
≤ 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 %
www . ElectricalPartManuals . com
To Next Page
Loading...
