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Research on the Effect of Near-Field Plates to Electromagnetic Field

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Communications, Signal Processing, and Systems (CSPS 2017)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 463))

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Abstract

The technology of wireless power transfer (WPT) is used to transfer the power wirelessly through the magnetic field in the space and to charge the electrical equipment such as computer, mobile phone, electric vehicle, implantable medical devices. During the process of transmission, the radiation of magnetic field will reduce the systems’ efficiency. In order to address this problem, in this paper, a near-field plates (NFP) is designed and analyzed to interfere electromagnetic wave generated by the transmitting loop in near field, so that NFP can improve the performance of the WPT system through focusing the electromagnetic field. When the NFP is places in the WPT system, the electromagnetic field in the vertical direction of the transmitting loop will be concentrated, while the others direction of the electromagnetic field is weakened. Thus, the electromagnetic field radiation into the surrounding environment will be reduced. In this paper, the simulation results indicate that the NFP can enhance the intensity of magnetic field and restrain electromagnetic radiation.

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Acknowledgment

This research was supported by the National Natural Science Foundation of China (61601329) and Applied Basic Research Program of Tianjin (15JCYBJC52300).

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Authors and Affiliations

  1. Tianjin Key Laboratory of Wireless Mobile Communication and Wireless Power Transmission, Tianjin Normal University, Tianjin, China

    Xiu Zhang & Zhihan Zhang

Authors
  1. Xiu Zhang
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  2. Zhihan Zhang
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Correspondence to Xiu Zhang .

Editor information

Editors and Affiliations

  1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas, USA

    Qilian Liang

  2. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Jiasong Mu

  3. Harbin Institute of Technology, Harbin, Heilongjiang, China

    Min Jia

  4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  5. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Xuhong Feng

  6. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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Zhang, X., Zhang, Z. (2019). Research on the Effect of Near-Field Plates to Electromagnetic Field. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_124

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  • DOI: https://doi.org/10.1007/978-981-10-6571-2_124

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6570-5

  • Online ISBN: 978-981-10-6571-2

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