Article Dans Une Revue IEEE Letters on Electromagnetic Compatibility Practice and Applications Année : 2025

Characterization of Near-Field Interactions Between Multiple Noise Sources and a Conductive Wire

Résumé

This paper presents the development of an analytical model to characterize near-field electromagnetic coupling between multiple noise sources and a metallic wire. The noise sources are modelled as two spatially separated, radiating singleturn metallic closed loops positioned above the wire in presence of ground plane. The analytical model applies the superposition theorem to account for the combined magnetic field contributions of both noise sources. Validation was performed through fullwave simulations in Ansys HFSS and experimental measurements. Whatever the distance between the two radiating loops, the results demonstrate a reasonable correlation between the analytical model predictions, simulations and measurements across a frequency range of 1 MHz to 1 GHz. Notably, the analytical model maintains its computational advantage, providing accurate results in seconds compared to the hours required by fullwave simulations. This enhancement is particularly beneficial for EMC-compliant designs in industrial applications, where accurate and rapid assessments of complex multi-source environments are essential.

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hal-05292528 , version 1 (01-10-2025)

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Martin Humeau, Mohsen Koohestani, David Boudikian, Mohamed Ramdani. Characterization of Near-Field Interactions Between Multiple Noise Sources and a Conductive Wire. IEEE Letters on Electromagnetic Compatibility Practice and Applications, 2025, 7 (4), pp.123-128. ⟨10.1109/lemcpa.2025.3601614⟩. ⟨hal-05292528⟩
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