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The Effect of Boost Coil and Alignment of Transmitting and Receiving Coils on Transmission Efficiency in EV Wireless Power Transfer Systems

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  • Young-Kuk Choi

    (Optical Precision Measurement Research Center, Korea Photonics Technology Institute, Gwangju 61007, Republic of Korea
    Department of Electrical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea)

  • Don-Jung Lee

    (Optical Precision Measurement Research Center, Korea Photonics Technology Institute, Gwangju 61007, Republic of Korea)

  • Sung-Jun Park

    (Department of Electrical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea)

Abstract

As the electric vehicle (EV) market continues to grow, wireless charging technologies are constantly evolving. Considering the limitations of traditional charging methods, the adoption of wireless charging technology is an essential strategy, and the distribution of wireless charging systems is expected to accelerate in the global market with initiatives such as international standards for wireless charging systems. With regard to this technological trend, this study experimentally analyzed the effects of the boost coil and the alignment of the transmitting and receiving coils on the transmission efficiency in wireless power transfer systems. The boost coil amplifies the magnetic field using a high-frequency signal and transfers the field to the receiving coil. Moreover, simulations were conducted based on the theory that using the boost coil could increase the efficiency of wireless power transfer, and the impact of the alignment between the transmitting and receiving coils on the transmission efficiency was also analyzed.

Suggested Citation

  • Young-Kuk Choi & Don-Jung Lee & Sung-Jun Park, 2023. "The Effect of Boost Coil and Alignment of Transmitting and Receiving Coils on Transmission Efficiency in EV Wireless Power Transfer Systems," Energies, MDPI, vol. 16(7), pages 1-16, April.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:7:p:3213-:d:1114497
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    References listed on IDEAS

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