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A Method of Estimating Mutual Inductance and Load Resistance Using Harmonic Components in Wireless Power Transfer System

Author

Listed:
  • Dongsheng Yang

    (School of Information Science and Engineering, Northeastern University, Shenyang 110819, China)

  • Sokhui Won

    (School of Information Science and Engineering, Northeastern University, Shenyang 110819, China
    Institute of Electronic, State Academy of Sciences, Kwahak-1 Dong, Unjong District, Pyongyang 999093, Korea
    These authors contributed equally to this work.)

  • Jiangwei Tian

    (School of Information Science and Engineering, Northeastern University, Shenyang 110819, China
    These authors contributed equally to this work.)

  • Zixin Cheng

    (School of Information Science and Engineering, Northeastern University, Shenyang 110819, China)

  • Jongho Kim

    (Institute of Electronic, State Academy of Sciences, Kwahak-1 Dong, Unjong District, Pyongyang 999093, Korea)

Abstract

In general, for the WPT (Wireless Power Transfer) system, as the mutual inductance and load resistance are calculated according to the measured data of both the transmitter and receiver, the wireless communication modules are needed to share data. A method for estimating mutual inductance and load resistance without wireless communication is proposed, based on the fundamental and third harmonic components. The circuit is decomposed with respect to the frequencies, by which the mathematic model is established. The fundamental and harmonic components of the output voltage and current of a high-frequency inverter are found by FFT (Fast Fourier Transform). The experimental WPT system with a SiC power MOSFET is designed, and the effectiveness of the proposed method is verified by the simulation and experiment results. Additional hardware and frequency scanning operation are not needed because of the use of the harmonic components.

Suggested Citation

  • Dongsheng Yang & Sokhui Won & Jiangwei Tian & Zixin Cheng & Jongho Kim, 2019. "A Method of Estimating Mutual Inductance and Load Resistance Using Harmonic Components in Wireless Power Transfer System," Energies, MDPI, vol. 12(14), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:14:p:2728-:d:249041
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    References listed on IDEAS

    as
    1. Xiaofei Li & Haichao Wang & Xin Dai, 2018. "A Power and Data Decoupled Transmission Method for Wireless Power Transfer Systems via a Shared Inductive Link," Energies, MDPI, vol. 11(8), pages 1-14, August.
    2. Supapong Nutwong & Anawach Sangswang & Sumate Naetiladdanon & Ekkachai Mujjalinvimut, 2018. "A Novel Output Power Control of Wireless Powering Kitchen Appliance System with Free-Positioning Feature," Energies, MDPI, vol. 11(7), pages 1-18, June.
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    Cited by:

    1. Tommaso Campi & Silvano Cruciani & Francesca Maradei & Mauro Feliziani, 2023. "Electromagnetic Interference in Cardiac Implantable Electronic Devices Due to Dynamic Wireless Power Systems for Electric Vehicles," Energies, MDPI, vol. 16(9), pages 1-17, April.
    2. Ahmed A. S. Mohamed & Ahmed A. Shaier & Hamid Metwally & Sameh I. Selem, 2022. "An Overview of Dynamic Inductive Charging for Electric Vehicles," Energies, MDPI, vol. 15(15), pages 1-59, August.

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