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February 25, 2026AIP Advances0 citationsOpen Access

Improving High-Frequency Performance of Common-Mode Inductor with Metallic Casing

Structural design of a common-mode inductor with metallic casing for improved high-frequency performance

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Authors

YUYuri UedaHMHiroaki MatsumoriKNKenichi Nagayoshi

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Overview

This work demonstrates enhanced common-mode attenuation in electric vehicle power converters, suggesting a practical design solution.

Key Points

  • This research aims to improve high-frequency common-mode attenuation in EMI filters for electric vehicle power converters.
  • Developed a distributed-parameter model for optimal casing configuration.
  • Used metallic casing and injected dielectric material to enhance capacitance around the CM choke.
  • Validated findings through circuit simulations and experimental measurements.
  • Confirmed effectiveness of the method in enhancing common-mode attenuation above 1 MHz.
  • Highlighted that using existing converter housing eliminates additional costs and components.
  • Provided a compact solution for power converter design.

Cite This Study

Ueda et al. (2026) studied this question.

synapsesocial.com/papers/699e911bf5123be5ed04e6a9https://doi.org/10.1063/9.0000996
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