Advances in Radio Science
Advances in Radio Science
ARS
Articles | Volume 23
Articles | Volume 23
https://doi.org/10.5194/ars-23-33-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ars-23-33-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23
18 Aug 2025
 | 18 Aug 2025

Metrological Approach for Identifying Abnormalities and the Causes of Harmonics in Electrical Power Grids using Wavelets

Helge Lorenzen, Sebastian Koj, and Saba Mylvaganam

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Short summary
This work shows that continuous wavelet transformation (CWT) is very useful for analyzing transient abnormalities in energy grids. Scalograms are used to visualize the results. It is demonstrated that the family of complex wavelets can be used to analyze the transfer of active power in the power system, even during transient events. This can be used to analyze resonant power grid structures and to identify the causes of violations of current and voltage limits at the grid connection point.
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