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Power Transfer Efficiency Analysis for Omnidirectional Wireless Power Transfer System Using Three-Phase-Shifted Drive

Author

Listed:
  • Zhaohong Ye

    (College of Automation, Chongqing University, Chongqing 400044, China)

  • Yue Sun

    (College of Automation, Chongqing University, Chongqing 400044, China)

  • Xiufang Liu

    (Shanghai Aerospace Equipment Manufacturer Co., Ltd., Shanghai 200245, China)

  • Peiyue Wang

    (College of Automation, Chongqing University, Chongqing 400044, China)

  • Chunsen Tang

    (College of Automation, Chongqing University, Chongqing 400044, China)

  • Hailin Tian

    (Shanghai Aerospace Equipment Manufacturer Co., Ltd., Shanghai 200245, China)

Abstract

In order to implement the omnidirectional wireless power transfer (WPT), a novel three-phase-shifted drive omnidirectional WPT system is proposed. This system is comprised of three independent phase-adjusted excitation sources, three orthogonal transmitting coils, and one planar receiving coil. Based on the mutual coupling theory, the power transfer efficiency is derived and the corresponding control mechanism for maximizing this efficiency is presented. This control mechanism only depends on the currents’ root-mean-square (RMS) values of the three transmitting coils and simple calculations after each location and/or posture change of the receiving coil, which provides the real-time possibility to design an omnidirectional WPT system comparing with the other omnidirectional systems. In aid of computer emulation technique, the efficiency characteristic versus the omnidirectional location and posture of the receiving coil is analyzed, and the analytical results verify the validity of the control mechanism. Lastly, a hardware prototype has been set up, and its omnidirectional power transmission capacity has been successfully verified. The experimental results show that the wireless power is omnidirectional and it can be effectively transmitted to a load even though its receiving coil moves and/or rotates in a 3-D energy region.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:8:p:2159-:d:164365
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    Citations

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    Cited by:

    1. Mohamad Abou Houran & Xu Yang & Wenjie Chen, 2018. "Free Angular-Positioning Wireless Power Transfer Using a Spherical Joint," Energies, MDPI, vol. 11(12), pages 1-26, December.
    2. 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.
    3. HwaPyeong Park & DoKyoung Kim & SeungHo Baek & JeeHoon Jung, 2019. "Extension of Zero Voltage Switching Capability for CLLC Resonant Converter," Energies, MDPI, vol. 12(5), pages 1-14, March.
    4. Zhengchao Yan & Yiming Zhang & Baowei Song & Kehan Zhang & Tianze Kan & Chris Mi, 2019. "An LCC-P Compensated Wireless Power Transfer System with a Constant Current Output and Reduced Receiver Size," Energies, MDPI, vol. 12(1), pages 1-14, January.

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