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Generalized Circuit Model of Shielded Capacitive Power Transfer

Author

Listed:
  • Suziana Ahmad

    (Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka 816-8580, Japan
    Faculty of Electrical and Electronic Engineering Technology, Universiti Teknikal Malaysia Melaka, Melaka 76100, Malaysia)

  • Reiji Hattori

    (Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka 816-8580, Japan)

  • Aam Muharam

    (Research Centre for Electrical Power and Mechatronics, Indonesian Institute of Sciences, Bandung 40135, Indonesia)

Abstract

A capacitive power transfer (CPT) system wirelessly transfers energy between coupling plates and performance issues related to CPT systems are resonance conditions, matching impedance, voltage stress, and power loss. A generalized circuit model is proposed for shielded capacitive power transfer (S-CPT) using an algebraic method. The proposed generalized S-CPT model is analyzed based on the symmetric and asymmetric configurations, and the relationship between the parameters of S-CPT is obtained with respect to the resonance condition, matching impedance, voltage stress, and efficiency. The best configuration of a symmetric S-CPT is recommended, and an asymmetric S-CPT is proposed based on the analysis results. Asymmetric-S-CPT hardware was constructed and demonstrated an operating frequency of 13.56 MHz. The hardware experimental result shows the validity and effectiveness of the proposed generalized model for designing S-CPT.

Suggested Citation

  • Suziana Ahmad & Reiji Hattori & Aam Muharam, 2021. "Generalized Circuit Model of Shielded Capacitive Power Transfer," Energies, MDPI, vol. 14(10), pages 1-19, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2826-:d:554701
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    References listed on IDEAS

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    1. Ben Minnaert & Alessandra Costanzo & Giuseppina Monti & Mauro Mongiardo, 2020. "Capacitive Wireless Power Transfer with Multiple Transmitters: Efficiency Optimization," Energies, MDPI, vol. 13(13), pages 1-17, July.
    2. Aam Muharam & Suziana Ahmad & Reiji Hattori, 2020. "Scaling-Factor and Design Guidelines for Shielded-Capacitive Power Transfer," Energies, MDPI, vol. 13(16), pages 1-22, August.
    3. Fei Lu & Hua Zhang & Chris Mi, 2017. "A Review on the Recent Development of Capacitive Wireless Power Transfer Technology," Energies, MDPI, vol. 10(11), pages 1-30, November.
    4. Fabio Corti & Alberto Reatti & Ya-Hui Wu & Dariusz Czarkowski & Salvatore Musumeci, 2021. "Zero Voltage Switching Condition in Class-E Inverter for Capacitive Wireless Power Transfer Applications," Energies, MDPI, vol. 14(4), pages 1-20, February.
    5. Quan Zhou & Mingqian Wen & Taotao Xiong & Tianyan Jiang & Ming Zhou & Xi Ouyang & Lai Xing, 2018. "Study on Insulation Breakdown Characteristics of Printed Circuit Board under Continuous Square Impulse Voltage," Energies, MDPI, vol. 11(11), pages 1-13, October.
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    Citations

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    Cited by:

    1. Suziana Ahmad & Aam Muharam & Reiji Hattori & Anyu Uezu & Tarek M. Mostafa, 2021. "Shielded Capacitive Power Transfer (S-CPT) without Secondary Side Inductors," Energies, MDPI, vol. 14(15), pages 1-17, July.
    2. Bo Dong & Yang Chen & Jing Lian & Xiaohui Qu, 2022. "A Novel Compensation Circuit for Capacitive Power Transfer System to Realize Desired Constant Current and Constant Voltage Output," Energies, MDPI, vol. 15(4), pages 1-18, February.
    3. 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.

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