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Wireless power transfer (WPT) technologies have transformed the charging of electric vehicles (EVs) by eliminating the need for physical connections, improving convenience and safety. This paper introduces a new method for designing and optimizing magnetic cores and shields to enhance the performance of square coils integrated with ferrite plan in serial-serial (SS) WPT systems. By considering factors such as coil design, Q factor, coil alignment, and resonance, the proposed modified shields improve coupling between coils and increase the quality factor, allowing loosely coupled WPT systems to function effectively. The impacts of the modified shields on power transfer efficiency were analyzed through theoretical study using finite element method (FEM) in Ansys Maxwell software.

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Effect of Ferrite Shielding Thickness on Electromagnetic Performance in Wireless Charging for Electric Vehicles

  • 会议论文

  • 发表日期：

    2026年

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  • Hamid Outzguinrimt,
  • Mouhcine Lahame,
  • Boubkar Bahani,
  • Ismail El Kafazi

摘要

Wireless power transfer (WPT) technologies have transformed the charging of electric vehicles (EVs) by eliminating the need for physical connections, improving convenience and safety. This paper introduces a new method for designing and optimizing magnetic cores and shields to enhance the performance of square coils integrated with ferrite plan in serial-serial (SS) WPT systems. By considering factors such as coil design, Q factor, coil alignment, and resonance, the proposed modified shields improve coupling between coils and increase the quality factor, allowing loosely coupled WPT systems to function effectively. The impacts of the modified shields on power transfer efficiency were analyzed through theoretical study using finite element method (FEM) in Ansys Maxwell software.