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LAN Yongjun, GONG Lijiao, CAI Xinhong, LI Hongwei. Analysis of frequency characteristics of magnetic coupled resonant wireless power transmission system[J]. Journal of Mine Automation, 2016, 42(5): 67-70. DOI: 10.13272/j.issn.1671-251x.2016.05.015
Citation: LAN Yongjun, GONG Lijiao, CAI Xinhong, LI Hongwei. Analysis of frequency characteristics of magnetic coupled resonant wireless power transmission system[J]. Journal of Mine Automation, 2016, 42(5): 67-70. DOI: 10.13272/j.issn.1671-251x.2016.05.015
shu

Analysis of frequency characteristics of magnetic coupled resonant wireless power transmission system

  • 1.

    College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China

  • 2.

    State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing

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    Abstract
  • Factors that affect transmission power and efficiency of magnetic coupled wireless power transmission system based on self-resonance coils and magnetic coupled wireless power transmission system based on series capacitor tuning were obtained according to equivalent circuit models, and frequency characteristics of the two systems were analyzed. The experimental results show that there is no frequency splitting in the magnetic coupled wireless power transmission system based on self-resonance coils with larger transmission power, while there is frequency splitting in the magnetic coupled wireless power transmission system based on series capacitor tuning when distance between receiving coil and sending coil is less than a critical value, because resonant frequency is influenced by coil equivalent shunt capacitance and external series capacitance.
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    LI Hongwei
    • 1.

      College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China

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