
Manual
Issue 1.3
107
The voltages specified here are complex numbers and consist of an amount and an
angle.
Negative sequence unbalance
Zero sequence unbalance
13.1.12 Interference factor
TIF/THFF
f
1
: Nominal power system frequency (50 Hz or 60 Hz)
Factor
n
: Weighting factor for harmonic
n
Various methods are available for normalization of
a)
b)
c)
Содержание PQU-S
Страница 93: ...Manual Issue 1 3 93 ibaPQU S and backplane Dimensions in mm Figure 63 Dimensions of ibaPQU S with backplane...
Страница 94: ...Manual ibaPQU S 94 Issue 1 3 Mounting plate 19 Dimensions in mm Figure 64 Dimensions of 19 mounting plate...
Страница 113: ...Manual Issue 1 3 113 Figure 74 Example of 1 phase measuring with a Rogowski coil or a current clamp...
Страница 115: ...Manual Issue 1 3 115 15 Certificate...