Design by Optimization of DC-DC High-Current Planar Inductor Combining High and Low Permeability Magnetic Materials

HLP Planar inductors made of combined low permeability (LP) and high permeability (HP) planar cores allow to achieve better performance compared to traditional planar inductors with air gap. In this paper, an optimization methodology is proposed to design high performance HLP planar inductors. Based on magnetic, loss and thermal models, an optimal design process is developed and applied to the case of a planar inductor operated in a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$20-\text{kW}$</tex> SiC-based buck converter.

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Published
2024-11-18
DOI
https://doi.org/10.1109/dmc62632.2024.10812173
Primary Topic
Electric Motor Design and Analysis
Type
article
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article

Design by Optimization of DC-DC High-Current Planar Inductor Combining High and Low Permeability Magnetic Materials

Guillaume Lefèvre, Xavier Margueron, Idriss Nachete, Frédéric Gillon
Electric Motor Design and Analysis
article

Design by Optimization of DC-DC High-Current Planar Inductor Combining High and Low Permeability Magnetic Materials

Guillaume Lefèvre, Xavier Margueron, Idriss Nachete, Frédéric Gillon
article en

Abstract

HLP Planar inductors made of combined low permeability (LP) and high permeability (HP) planar cores allow to achieve better performance compared to traditional planar inductors with air gap. In this paper, an optimization methodology is proposed to design high performance HLP planar inductors. Based on magnetic, loss and thermal models, an optimal design process is developed and applied to the case of a planar inductor operated in a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$20-\text{kW}$</tex> SiC-based buck converter.

Arts et Métiers (FR), Université de Lille (FR), Mitsubishi Electric (France) (FR), École Centrale de Lille (FR)
Openalex Percentile: Top 77%
Electric Motor Design and Analysis
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