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Resonant Network Design Method to Reduce Influence of Mutual Inductance between Receivers in Multi-Output Omnidirectional Wireless Power Transfer Systems

Author

Listed:
  • Dong-Hun Woo

    (The Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, Korea)

  • Hwa-Rang Cha

    (The Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, Korea)

  • Rae-Young Kim

    (The Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, Korea)

Abstract

Many studies have been conducted on multi-output systems that transfer power to multiple receivers in conventional planar-type wireless power transfer (WPT) systems; however, few studies and analyses have taken into account the mutual inductance between receivers in multi-output omnidirectional WPT systems. In this paper, the correlation between the mutual inductance between receivers and the power transfer efficiency (PTE) in a multi-output omnidirectional WPT system is analyzed, and a limitation in terms of a reduction in the PTE with an increase in the influence of the mutual inductance between the receivers is presented. To solve this problem, a resonant network design method is proposed to reduce the influence of mutual inductance between receivers, and appropriate canceling capacitor values are selected using the weighted sum method among multi-objective optimization methods. The proposed method is through simulations and experiments, and it presents the potential for improvement in the problems that occur when transferring power to multiple receivers.

Suggested Citation

  • Dong-Hun Woo & Hwa-Rang Cha & Rae-Young Kim, 2020. "Resonant Network Design Method to Reduce Influence of Mutual Inductance between Receivers in Multi-Output Omnidirectional Wireless Power Transfer Systems," Energies, MDPI, vol. 13(21), pages 1-15, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5556-:d:433838
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    References listed on IDEAS

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    1. Linlin Tan & Ming Zhang & Songcen Wang & Shulei Pan & Zhenxing Zhang & Jiacheng Li & Xueliang Huang, 2019. "The Design and Optimization of a Wireless Power Transfer System Allowing Random Access for Multiple Loads," Energies, MDPI, vol. 12(6), pages 1-19, March.
    2. Gongjun Liu & Bo Zhang & Wenxun Xiao & Dongyuan Qiu & Yanfeng Chen & Jiu Guan, 2018. "Omnidirectional Wireless Power Transfer System Based on Rotary Transmitting Coil for Household Appliances," Energies, MDPI, vol. 11(4), pages 1-16, April.
    3. Zhaohong Ye & Yue Sun & Xiufang Liu & Peiyue Wang & Chunsen Tang & Hailin Tian, 2018. "Power Transfer Efficiency Analysis for Omnidirectional Wireless Power Transfer System Using Three-Phase-Shifted Drive," Energies, MDPI, vol. 11(8), pages 1-19, August.
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    Cited by:

    1. Haiyue Wang & Lianwen Deng & Heng Luo & Junsa Du & Daohan Zhou & Shengxiang Huang, 2021. "Microwave Wireless Power Transfer System Based on a Frequency Reconfigurable Microstrip Patch Antenna Array," Energies, MDPI, vol. 14(2), pages 1-12, January.

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