DOI QR코드

DOI QR Code

Bi-Directional Wireless Power Transfer for Vehicle-to-Grid Systems

  • Sun, Yue (College of Automation, Chongqing University) ;
  • Jiang, Cheng (College of Automation, Chongqing University) ;
  • Wang, Zhihui (College of Automation, Chongqing University) ;
  • Xiang, Lijuan (College of Automation, Chongqing University) ;
  • Zhang, Huan (College of Automation, Chongqing University)
  • 투고 : 2017.09.15
  • 심사 : 2018.02.05
  • 발행 : 2018.07.20

초록

A current sourced bi-directional wireless power transfer (WPT) system is proposed to solve the problems that exist in the bi-directional WPT for vehicle-to-grid (V2G) systems. These problems include the fact that these systems are not safe enough, the output power is limited and the control methods are complicated. Firstly, the proposed system adopts two different compensation and control methods on both the primary and secondary sides. Secondly, based on an AC impedance analysis, the working principle is analyzed and the parameter configuration method with frequency stability is given. In order to output a constant voltage, a bi-directional DC/DC circuit and a controllable rectifier bridge are adopted, which are based on the "constant primary current, constant secondary voltage" control strategy. Finally, the effectiveness and feasibility of the proposed methods are verified by experimental results.

키워드

참고문헌

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