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http://dx.doi.org/10.6113/JPE.2014.14.5.899

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

Su, Mei (Department of Information Science and Engineering, Central South University)
Li, Hua (Department of Information Science and Engineering, Central South University)
Sun, Yao (Department of Information Science and Engineering, Central South University)
Xiong, Wenjing (Department of Information Science and Engineering, Central South University)
Publication Information
Journal of Power Electronics / v.14, no.5, 2014 , pp. 899-907 More about this Journal
Abstract
This paper proposes a single-phase bidirectional AC/DC converter topology applied in V2G systems, which consists of an inverter and a bidirectional non-inverting buck-boost converter. This topology can operate in four modes: buck charging, boost charging, buck discharging and boost discharging with high input current quality and unity input power factor. The inverter switches at line frequency, which is different from conventional voltage source inverters. A bidirectional buck-boost converter is utilized to adapt to a wider charging voltage range. The modulation and control strategy is introduced in detail, and the switching patterns are optimized to reduce the current ripple. In addition, the semiconductor losses are analyzed. Simulation and experimental results demonstrate the validity and effectiveness of the proposed topology.
Keywords
Bidirectional AC/DC converter; Semiconductor losses; Single-phase; V2G;
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Times Cited By KSCI : 1  (Citation Analysis)
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