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Analysis and Pareto Frontier Based Tradeoff Design of an Integrated Magnetic Structure for a CLLC Resonant Converter

Author

Listed:
  • Gang Wang

    (Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100000, China
    University of Chinese Academy of Sciences, Beijing 100000, China)

  • Qiyu Hu

    (Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100000, China
    School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100000, China)

  • Chunyu Xu

    (Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100000, China)

  • Bin Zhao

    (Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100000, China
    University of Chinese Academy of Sciences, Beijing 100000, China)

  • Xiaobao Su

    (Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100000, China
    University of Chinese Academy of Sciences, Beijing 100000, China)

Abstract

This paper proposes an integrated magnetic structure for a CLLC resonant converter. With the proposed integrated magnetic structure, two resonant inductances and the transformer are integrated into one magnetic core, which improves the power density of the CLLC resonant converter. In the proposed integrated magnetic structure, two resonant inductances are decoupled with the transformer and can be adjusted by the number of turns in each inductance. Furthermore, two resonant inductances are coupled to reduce the number of turns in each inductance. As a result, the conduction loss can be reduced. The trade-off design of the integrated magnetic structure is carried out based on the Pareto optimization procedure. With the Pareto optimization procedure, both high efficiency and high-power density can be achieved. The proposed integrated magnetic structure is validated by theoretical analysis, simulations, and experiments.

Suggested Citation

  • Gang Wang & Qiyu Hu & Chunyu Xu & Bin Zhao & Xiaobao Su, 2021. "Analysis and Pareto Frontier Based Tradeoff Design of an Integrated Magnetic Structure for a CLLC Resonant Converter," Energies, MDPI, vol. 14(6), pages 1-19, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:6:p:1756-:d:521801
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    Citations

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    Cited by:

    1. Huseyin R. Hiziroglu, 2023. "A Special Issue: Electric Machinery and Transformers," Energies, MDPI, vol. 16(15), pages 1-3, July.

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