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<p>Electromagnetic fields from high-power wireless power transfer (WPT) modules for EVs may exceed the limits of international safety guidelines. For the safety of the user and the stable operation of nearby electronic devices, the electromagnetic field strength of the high-power WPT system should be considered. In this study, a dynamic WPT system for electric bus charging was designed, and the dosimetry of the system was evaluated for two exposure scenarios. The electromagnetic field data can be obtained from electromagnetic field analysis simulations and the induced quantities in the human body can be derived using the impedance method. The calculated induced quantities in human body are compared with the values recommended by International Guidelines (ICNIRP).</p>

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Evaluation of Electromagnetic Exposure in Dynamic Wireless Power Transfer System for Electric Bus

  • 期刊论文

  • 发表日期：

    2025年8月25日

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  • Kyeung Won Bang,
  • Sang Wook Park,
  • Hong Guk Bae,
  • Byeong Yoon Lee,
  • Chang Un Park,
  • Hui Myoung Oh,
  • Seung Hyuk Baek

摘要

Electromagnetic fields from high-power wireless power transfer (WPT) modules for EVs may exceed the limits of international safety guidelines. For the safety of the user and the stable operation of nearby electronic devices, the electromagnetic field strength of the high-power WPT system should be considered. In this study, a dynamic WPT system for electric bus charging was designed, and the dosimetry of the system was evaluated for two exposure scenarios. The electromagnetic field data can be obtained from electromagnetic field analysis simulations and the induced quantities in the human body can be derived using the impedance method. The calculated induced quantities in human body are compared with the values recommended by International Guidelines (ICNIRP).