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To analyze the working nature and mathematical model of the CLLC resonant converter connecting the energy storage battery and the grid system in the microgrid energy storage system, based on the defects of the traditional analysis method such as complicated calculation and errors, meanwhile, the parasitic parameters of the devices of the system are fully considered, an analysis method based on the working modes is proposed to achieve a more accurate design through more detailed modeling of the system; According to the model, the converter’s parameters are optimized and designed to increase the voltage regulation range while reducing the loss, and the feasibility of the method is verified through simulation.

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Optimization Design Method for Wide Gain Parameters of CLLC Resonant Converters Considering Device Errors

  • 会议论文

  • 发表日期：

    2025年

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  • Xin Li,
  • Liwen Ji,
  • Zhen Yang,
  • Lei Han,
  • Han Bu,
  • Yan Li,
  • Gaowu Wang

摘要

To analyze the working nature and mathematical model of the CLLC resonant converter connecting the energy storage battery and the grid system in the microgrid energy storage system, based on the defects of the traditional analysis method such as complicated calculation and errors, meanwhile, the parasitic parameters of the devices of the system are fully considered, an analysis method based on the working modes is proposed to achieve a more accurate design through more detailed modeling of the system; According to the model, the converter’s parameters are optimized and designed to increase the voltage regulation range while reducing the loss, and the feasibility of the method is verified through simulation.