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Thermal Resistance Modeling for the Optimal Design of EE and E/PLT Core-Based Planar Magnetics

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  • Reda Bakri

    (Univ. Lille, Arts et Metiers Institute of Technology, Centrale Lille, Junia, HESAM Université, ULR 2697, L2EP, F-59000 Lille, France
    Arts et Métiers Campus of Rabat, Technopolis Parc, Salé 11000, Morocco)

  • Xavier Margueron

    (Univ. Lille, Arts et Metiers Institute of Technology, Centrale Lille, Junia, ULR 2697-L2EP, F-59000 Lille, France)

  • Philippe Le Moigne

    (Univ. Lille, Arts et Metiers Institute of Technology, Centrale Lille, Junia, ULR 2697-L2EP, F-59000 Lille, France)

  • Nadir Idir

    (Univ. Lille, Arts et Metiers Institute of Technology, Centrale Lille, Junia, ULR 2697-L2EP, F-59000 Lille, France)

Abstract

With the integration of power electronic converters and components, an accurate thermal design becomes essential. Hence, precise thermal models for components are needed for their optimal design. This paper focuses on the development of an analytical model for the design of thermal resistance of planar magnetic cores (PMC). Based on computational fluid dynamic (CFD) simulations, the PMC design thermal resistance variation is studied, according to ambient temperature and level of losses. Then, a polynomial equation is developed to model those variations, and coefficients are deduced for all the sizes of PMC. This analytical model, useful for designers, is finally validated with thermal measurements on a planar transformer prototype.

Suggested Citation

  • Reda Bakri & Xavier Margueron & Philippe Le Moigne & Nadir Idir, 2024. "Thermal Resistance Modeling for the Optimal Design of EE and E/PLT Core-Based Planar Magnetics," Energies, MDPI, vol. 17(11), pages 1-19, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:11:p:2755-:d:1408831
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    References listed on IDEAS

    as
    1. Krzysztof Górecki & Kalina Detka & Krzysztof Górski, 2020. "Compact Thermal Model of the Pulse Transformer Taking into Account Nonlinearity of Heat Transfer," Energies, MDPI, vol. 13(11), pages 1-17, June.
    2. Won-Jin Son & Byoung Kuk Lee, 2023. "Design of Planar Transformers for LLC Converters in High Power Density On-Board Chargers for Electric Vehicles," Energies, MDPI, vol. 16(18), pages 1-16, September.
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