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Analysis of Dead Zone in Wireless Power Transfer via Magnetic Resonant Coupling for Charging Moving Electric Vehicles

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Abstract

Wireless power transfer via magnetic resonant coupling is widely researched for various applications especially for charging electric vehicles. In order to reduce the dependency on battery capacity, charging while the vehicle is moving may be a solution. Wireless power transfer lane is constructed by embedding the coils beneath the road to provide charging coverage to certain distance. The actual system will consists of arbitrary number of coils and therefore conventional equivalent circuit analysis will be complex. In this paper, a new and simplified analysis method using impedance inverter representation and power division principle is proposed to investigate the feasibility of charging lane.

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Authors and Affiliations

  1. Transdisciplinary Sciences Building 7H1, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba, 277-8561, Japan

    Kim Ean Koh, Takehiro Imura & Yoichi Hori

Authors
  1. Kim Ean Koh
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  2. Takehiro Imura
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  3. Yoichi Hori
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Correspondence to Kim Ean Koh.

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Koh, K.E., Imura, T. & Hori, Y. Analysis of Dead Zone in Wireless Power Transfer via Magnetic Resonant Coupling for Charging Moving Electric Vehicles. Int. J. ITS Res. 14, 152–163 (2016). https://doi.org/10.1007/s13177-015-0110-y

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  • DOI: https://doi.org/10.1007/s13177-015-0110-y

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