A High-Efficiency Bidirectional AC/DC Topology for V2G Applications

Mei Su; Hua Li; Yao Sun; Wenjing Xiong

A High-Efficiency Bidirectional AC/DC Topology for V2G Applications

Vol. 14, No. 5, pp. 899-907, Sep. 2014

10.6113/JPE.2014.14.5.899

Bidirectional AC/DC converter

Semiconductor losses

Single-phase

V2G

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Abstract

This paper proposes a single-phase bidirectional AC/DC converter topology applied in V2G systems, which consists of aninverter and a bidirectional non-inverting buck-boost converter. This topology can operate in four modes: buck charging, boostcharging, buck discharging and boost discharging with high input current quality and unity input power factor. The inverterswitches at line frequency, which is different from conventional voltage source inverters. A bidirectional buck-boost converter isutilized to adapt to a wider charging voltage range. The modulation and control strategy is introduced in detail, and the switchingpatterns are optimized to reduce the current ripple. In addition, the semiconductor losses are analyzed. Simulation andexperimental results demonstrate the validity and effectiveness of the proposed topology.

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Cite this article

[IEEE Style]

M. Su, H. Li, Y. Sun, W. Xiong, "A High-Efficiency Bidirectional AC/DC Topology for V2G Applications," Journal of Power Electronics, vol. 14, no. 5, pp. 899-907, 2014. DOI: 10.6113/JPE.2014.14.5.899.

[ACM Style]

Mei Su, Hua Li, Yao Sun, and Wenjing Xiong. 2014. A High-Efficiency Bidirectional AC/DC Topology for V2G Applications. Journal of Power Electronics, 14, 5, (2014), 899-907. DOI: 10.6113/JPE.2014.14.5.899.