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Highly Efficient Asymmetrical PWM Full-Bridge Converter for Renewable Energy Sources SCIE SCOPUS

Title
Highly Efficient Asymmetrical PWM Full-Bridge Converter for Renewable Energy Sources
Authors
Cha, WJKwon, JMKwon, BH
Date Issued
2016-05
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract
This paper presents a highly efficient asymmetrical pulse-width modulated (APWM) full-bridge converter for renewable energy sources. The proposed converter adopts full-bridge topology and asymmetric control scheme to achieve the zero-voltage switching (ZVS) turn-on of the power switches of the primary side and to reduce the circulating current loss. Moreover, the resonant circuit composed of the leakage inductance of the transformer and the blocking capacitor provides the zero-current switching (ZCS) turn-off for the output diode without the help of any auxiliary circuits. Thus, the reverse recovery problem of the output diode is eliminated. In addition, voltage stresses of the power switches are clamped to the input voltage. Due to these characteristics, the proposed converter has the structure to minimize power losses. It is especially beneficial to the renewable energy conversion systems. To confirm the theoretical analysis and validity of the proposed converter, a 400 W prototype is implemented with the input voltage range from 40 to 80 V.
URI
https://oasis.postech.ac.kr/handle/2014.oak/36395
DOI
10.1109/TIE.2015.2510500
ISSN
0278-0046
Article Type
Article
Citation
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, vol. 63, no. 5, page. 2945 - 2953, 2016-05
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권봉환KWON, BONG HWAN
Dept of Electrical Enginrg
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