
Manual
ibaPQU-S
106
Issue 1.3
13.1.11 Voltage balance / Unbalance
Figure 69: Example graph from ibaPDA (high asymmetry!)
In a symmetrical grid the arrows of the respective phase are located directly over each
other.
Name
Meaning
U#
RMS value of the phase
U#
+
Percentage of the positive sequence component
U#
-
Percentage of the negative sequence component
U#
0
Percentage of the zero sequence component
Positive sequence component
Negative sequence component
Zero sequence component
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...