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Optimal Wireless Power Transfer Circuit without a Capacitor on the Secondary Side

Author

Listed:
  • Sabriansyah Rizqika Akbar

    (Informatics Engineering Department, Faculty of Computer Science, University of Brawijaya, Malang 65145, Indonesia)

  • Eko Setiawan

    (Informatics Engineering Department, Faculty of Computer Science, University of Brawijaya, Malang 65145, Indonesia)

  • Takuya Hirata

    (Department of Electronic Mechanical Engineering, National Institute of Technology, Oshima College, Yamaguchi 742-2193, Japan)

  • Ichijo Hodaka

    (Department of Environmental Robotics, Faculty of Engineering, University of Miyazaki, Miyazaki City 889-1692, Japan)

Abstract

This study proposes an approach to obtain maximum power via wireless power transfer using a single primary-side capacitor. It is shown that higher power is achieved when compared to the common wireless power transfer circuit under resonance with dual (primary- and secondary-side) capacitors. This approach is divided into three phases. By choosing the capacitor and frequency as freely assignable variables, we symbolically obtain a formula that allows us to determine the optimized capacitance and frequency for maximum power. To verify our method, we used a numerical analysis and compared it with an electronic circuit simulation. The symbolic formula is able to maintain maximum power despite changes in load or in the coupling coefficients.

Suggested Citation

  • Sabriansyah Rizqika Akbar & Eko Setiawan & Takuya Hirata & Ichijo Hodaka, 2023. "Optimal Wireless Power Transfer Circuit without a Capacitor on the Secondary Side," Energies, MDPI, vol. 16(6), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:6:p:2922-:d:1104455
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    References listed on IDEAS

    as
    1. Aqeel Mahmood Jawad & Rosdiadee Nordin & Sadik Kamel Gharghan & Haider Mahmood Jawad & Mahamod Ismail, 2017. "Opportunities and Challenges for Near-Field Wireless Power Transfer: A Review," Energies, MDPI, vol. 10(7), pages 1-28, July.
    2. Chaoqiang Jiang & K. T. Chau & Chunhua Liu & Christopher H. T. Lee, 2017. "An Overview of Resonant Circuits for Wireless Power Transfer," Energies, MDPI, vol. 10(7), pages 1-20, June.
    3. Manuele Bertoluzzo & Stefano Giacomuzzi & Elisabetta Sieni, 2020. "Automatic Optimization of the Compensation Networks of a Wireless Power Transfer System," Energies, MDPI, vol. 13(20), pages 1-15, October.
    4. Cédric Lecluyse & Ben Minnaert & Michael Kleemann, 2021. "A Review of the Current State of Technology of Capacitive Wireless Power Transfer," Energies, MDPI, vol. 14(18), pages 1-22, September.
    5. Xuezhe Wei & Zhenshi Wang & Haifeng Dai, 2014. "A Critical Review of Wireless Power Transfer via Strongly Coupled Magnetic Resonances," Energies, MDPI, vol. 7(7), pages 1-26, July.
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