| Evaluation of Electromagnetic Exposure in Dynamic Wireless Power Transfer System for Electric Bus |
| Kyeung Won Bang1, Sang Wook Park2, Hong Guk Bae2, Byeong Yoon Lee3, Chang Un Park3, Hui Myoung Oh3, Seung Hyuk Baek3 |
1Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan
2Department of Electronic Engineering, Soonchunhyang University, Asan-si, Chungcheongnam-do, 31538, Republic of Korea
3Korea Electrotechnology Research Institute, Changwon-si, Gyeongsangnam-do, 51543, Republic of Korea |
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Received: January 18, 2024; Revised: December 11, 2024 Accepted: June 3, 2025. Published online: August 25, 2025. |
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| ABSTRACT |
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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). |
| Key Words:
Electric vehicle · EV charging · Wireless power transfer · Dynamic charging · ICNIRP |
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Corresponding Author.
Sang Wook Park , Email. 
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