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High-Efficiency Bridgeless Flyback Rectifier With Bidirectional Switch and Dual Output Windings

Cited 43 time in Web of Science Cited 55 time in Scopus
Authors

Shin, Jong-Won; Choi, Sung-Jin; Cho, Bo-Hyung

Issue Date
2014-09
Publisher
Institute of Electrical and Electronics Engineers
Citation
IEEE Transactions on Power Electronics, Vol.29 No.9, pp.4752-4762
Abstract
This paper proposes and analyzes a new bridgeless flyback power factor correction rectifier for ac-dc power conversion. By eliminating four bridge diodes and adding a few circuit elements, the proposed rectifier reduces the primary side conduction loss and improves efficiency. The addition of the new elements has minimal effect on the circuit simplicity because it does not need any additional gate driver and magnetic elements. The losses in the semiconductor devices of the proposed circuit are analyzed and compared with that of the conventional one, followed by transformer design guideline. Experimental results with the practically implemented prototype prove its higher efficiency than its conventional counterparts.
ISSN
0885-8993
URI
https://hdl.handle.net/10371/201456
DOI
https://doi.org/10.1109/TPEL.2013.2283073
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  • College of Engineering
  • Department of Electrical and Computer Engineering
Research Area DC-DC and AC-DC power conversion, DC-DC 및 AC-DC 전력변환, converter modeling, high-density, high-frequency power conversion, 고밀도 고주파 전력 변환, 컨버터 모델링

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