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

Yue Sun; Cheng Jiang; Zhihui Wang; Lijuan Xiang; Huan Zhang

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

Vol. 18, No. 4, pp. 1190-1200, Jul. 2018

10.6113/JPE.2018.18.4.1190

Bi-directional wireless power transfer

Compensation and control

Controllable rectifier bridge

Current source

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Abstract

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.

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Cite this article

[IEEE Style]

Y. Sun, C. Jiang, Z. Wang, L. Xiang, H. Zhang, "Bi-Directional Wireless Power Transfer for Vehicle-to-Grid Systems," Journal of Power Electronics, vol. 18, no. 4, pp. 1190-1200, 2018. DOI: 10.6113/JPE.2018.18.4.1190.

[ACM Style]

Yue Sun, Cheng Jiang, Zhihui Wang, Lijuan Xiang, and Huan Zhang. 2018. Bi-Directional Wireless Power Transfer for Vehicle-to-Grid Systems. Journal of Power Electronics, 18, 4, (2018), 1190-1200. DOI: 10.6113/JPE.2018.18.4.1190.