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Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates

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  • Linlin Tan

    (Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
    Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Zhenjiang 212009, China)

  • Jiacheng Li

    (Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
    Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Zhenjiang 212009, China)

  • Chen Chen

    (Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
    State Grid Jiangsu Economic Research Institute, Nanjing 210096, China)

  • Changxin Yan

    (Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
    Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Zhenjiang 212009, China)

  • Jinpeng Guo

    (Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
    Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Zhenjiang 212009, China)

  • Xueliang Huang

    (Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
    Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Zhenjiang 212009, China)

Abstract

Wireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged electric vehicle (EV) applications. This paper analyses the performances of a WPT system in an environment with a non-ferromagnetic metal plate. The impedance model of the WPT system in the metal environment is established. Moreover the variation law of a coil’s equivalent inductance and resistance is deduced when the coil is surrounded by the non-ferromagnetic metal plate. Meanwhile, simulations, theory and experiments all confirm that the model is correct. Finally, since the system performance of a wireless charging system is influenced by non-ferromagnetic metals, this paper puts forward a method to improve the performance, that is, to place ferrite cores between the receiving coil and a metal plate. Experiments are carried out to verify the method, and the desired results are achieved.

Suggested Citation

  • Linlin Tan & Jiacheng Li & Chen Chen & Changxin Yan & Jinpeng Guo & Xueliang Huang, 2016. "Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates," Energies, MDPI, vol. 9(8), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:8:p:576-:d:74628
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    References listed on IDEAS

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    1. Zhenshi Wang & Xuezhe Wei & Haifeng Dai, 2015. "Design and Control of a 3 kW Wireless Power Transfer System for Electric Vehicles," Energies, MDPI, vol. 9(1), pages 1-18, December.
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    Cited by:

    1. Xian Zhang & Yanan Ren & Lin Sha & Qingxin Yang & Xuejing Ni & Fengxian Wang, 2020. "Analysis of Dynamic Characteristics of Foreign Metal Objects under Electromagnetic Force in High-Power Wireless Power Transfer," Energies, MDPI, vol. 13(15), pages 1-15, July.
    2. Ravikiran Vaka & Ritesh Kumar Keshri, 2017. "Review on Contactless Power Transfer for Electric Vehicle Charging," Energies, MDPI, vol. 10(5), pages 1-20, May.
    3. Yushan Wang & Baowei Song & Zhaoyong Mao, 2020. "Analysis and Experiment for Wireless Power Transfer Systems with Two Kinds Shielding Coils in EVs," Energies, MDPI, vol. 13(1), pages 1-18, January.
    4. Wenxun Xiao & Ruigeng Shen & Bo Zhang & Dongyuan Qiu & Yanfeng Chen & Tian Li, 2018. "Effects of Foreign Metal Object on Soft-Switching Conditions of Class-E Inverter in WPT," Energies, MDPI, vol. 11(8), pages 1-19, July.
    5. Yan, Xiao-Yu & Yang, Shi-Chun & He, Hong & Tang, Tie-Qiao, 2018. "An optimization model for wireless power transfer system based on circuit simulation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 509(C), pages 873-880.
    6. Mohamed, Ahmed A.S. & Shaier, Ahmed A. & Metwally, Hamid & Selem, Sameh I., 2020. "A comprehensive overview of inductive pad in electric vehicles stationary charging," Applied Energy, Elsevier, vol. 262(C).
    7. Pradeep Vishnuram & Suresh Panchanathan & Narayanamoorthi Rajamanickam & Vijayakumar Krishnasamy & Mohit Bajaj & Marian Piecha & Vojtech Blazek & Lukas Prokop, 2023. "Review of Wireless Charging System: Magnetic Materials, Coil Configurations, Challenges, and Future Perspectives," Energies, MDPI, vol. 16(10), pages 1-31, May.
    8. Heqi Xu & Chunfang Wang & Dongwei Xia & Yunrui Liu, 2019. "Design of Magnetic Coupler for Wireless Power Transfer," Energies, MDPI, vol. 12(15), pages 1-12, August.
    9. Chaoqiang Jiang & K.T. Chau & Chunhua Liu & Wei Han, 2017. "Wireless DC Motor Drives with Selectability and Controllability," Energies, MDPI, vol. 10(1), pages 1-15, January.
    10. Joao Victor Pinon Pereira Dias & Masafumi Miyatake, 2018. "Increase in Robustness against Effects of Coil Misalignment on Electrical Parameters Using Magnetic Material Layer in Planar Coils of Wireless Power Transfer Transformer," Energies, MDPI, vol. 11(8), pages 1-25, July.

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