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A Novel High Controllable Voltage Gain Push-Pull Topology for Wireless Power Transfer System

Author

Listed:
  • Qichang Duan

    (School of Automation, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing 400030, China)

  • Yanling Li

    (School of Automation, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing 400030, China)

  • Xin Dai

    (School of Automation, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing 400030, China)

  • Tao Zou

    (School of Automation, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing 400030, China)

Abstract

Wireless Power Transfer (WPT) is commonly used to transmit power from a transmitting coil to various movable power devices. In the WPT system, due to a resonant tank inherent characteristic, the system cannot achieve a high output voltage gain. This paper proposes a novel current-fed push–pull circuit to realize high output voltage gain by adding a bi-directional switch between the resonant network and inverter. To obtain a high voltage gain, this paper proposes energy storage and energy injection mode to realize an energy boost function. A duty cycle control method for mode switching is also proposed. The proposed method allows the converter to operate with a variable voltage gain over a wide range with high efficiency. Experimental validation shows that the system gain of a proposed circuit can achieve a variable gain from 2 to 7 of which the converter can be two times higher than the classical system with the same condition.

Suggested Citation

  • Qichang Duan & Yanling Li & Xin Dai & Tao Zou, 2017. "A Novel High Controllable Voltage Gain Push-Pull Topology for Wireless Power Transfer System," Energies, MDPI, vol. 10(4), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:4:p:474-:d:94762
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    References listed on IDEAS

    as
    1. Yabiao Gao & Kathleen Blair Farley & Zion Tsz Ho Tse, 2015. "A Uniform Voltage Gain Control for Alignment Robustness in Wireless EV Charging," Energies, MDPI, vol. 8(8), pages 1-16, August.
    2. Yuyu Geng & Bin Li & Zhongping Yang & Fei Lin & Hu Sun, 2017. "A High Efficiency Charging Strategy for a Supercapacitor Using a Wireless Power Transfer System Based on Inductor/Capacitor/Capacitor (LCC) Compensation Topology," Energies, MDPI, vol. 10(1), pages 1-17, January.
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    Cited by:

    1. Mohamed Derbeli & Cristian Napole & Oscar Barambones & Jesus Sanchez & Isidro Calvo & Pablo Fernández-Bustamante, 2021. "Maximum Power Point Tracking Techniques for Photovoltaic Panel: A Review and Experimental Applications," Energies, MDPI, vol. 14(22), pages 1-31, November.
    2. Xin Dai & Jincheng Jiang & Yanling Li & Ting Yang, 2017. "A Phase-Shifted Control for Wireless Power Transfer System by Using Dual Excitation Units," Energies, MDPI, vol. 10(7), pages 1-16, July.

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