© OMICRON 2024 Page 10 of 25
Based on current and voltage, R and X will be calculated for 30 Hz and 70 Hz or 40 Hz and 80 Hz. Both R
and X will be linear interpolated to get the impedance at mains frequency.
Example for 50 Hz:
This is possible as R is almost independent from the measurement frequency and X is almost linear
dependent of the measurement frequency.
The measurements will be repeated for different current-loops and the single results will be combined to
calculate the parameters of different line models as well as the k-factors using a provides Excel Template.
50 Hz
50 Hz 30 Hz
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