High Power Laser and Particle Beams, Volume. 36, Issue 3, 039001(2024)

Characteristic analysis of P-SP topology wireless power transfer system based on parity-time-symmetric principle

Xiyu He, Feng Guo*, and Xingpeng Xu
Author Affiliations
  • School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China
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    Figures & Tables(11)
    WPT system with P-SP compensation based on PT symmetry
    Equivalent process of partial circuit models
    Equivalent WPT system model
    Influence of capacitance distribution ratio on load variation value
    Influence of capacitance distribution ratio on the change value of working efficiency and the change value of critical coupling coefficient
    Influence of capacitance distribution ratio on the operating characteristics of the system
    Influence of capacitance distribution ratio on the symmetric region of PT
    Parameter design and prototype construction
    Comparison of system performance theory and experiment
    • Table 1. Experimental system parameters

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      Table 1. Experimental system parameters

      L1/μHC1/pFr1RnL2/μHC2/pFr2Re
      122.020.03−480122.020.037000
    • Table 2. Comparison with other methods proposed in literatures

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      Table 2. Comparison with other methods proposed in literatures

      referencetopologyfrequencyf/MHzdesign complexity change in efficiency/%distance change/%
      this paperP-SP1.02low−2+90
      Ref.[10]S-S0.30middle−4.7+37.9
      Ref.[11]S-S2middle0+76
      Ref.[12]S-S13middle−6+60
      Ref.[13]S-S0.30low−7+30.4
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    Xiyu He, Feng Guo, Xingpeng Xu. Characteristic analysis of P-SP topology wireless power transfer system based on parity-time-symmetric principle[J]. High Power Laser and Particle Beams, 2024, 36(3): 039001

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    Paper Information

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    Received: Oct. 17, 2023

    Accepted: Mar. 4, 2024

    Published Online: Mar. 20, 2024

    The Author Email: Feng Guo (guofen9932@163.com)

    DOI:10.11884/HPLPB202436.230356

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