一种谐振型高压侧调制的电流型双向变换器

doi:10.19595/j.cnki.1000-6753.tces.160744

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Abstract In order to suppress the turn-off voltage spike and overcome the hard-switching in traditional current-fed converters, this paper proposes a resonant current-fed bi-directional converter with high-voltage-side modulation. By adopting a variable frequency control and modulating the high voltage side, the proposed converter can operate with natural commutation and ZCS turn-off for the low-voltage-side MOSFETs. The turn-off voltage spikes of low-voltage-side MOSFETs are eliminated as well. First, the operation principles under the forward operation mode and backward operation mode are analyzed. Then the characteristics and design guideline of the proposed converter are detailed. Finally, a 400W converter prototype is built and tested. The experimental results verify the feasibility and advantages of the proposed converter and control strategy.

Key words： Turn-off voltage spike current-fed bi-directional converter variable frequency control high-voltage-side modulation zero current switching

Published: 16 January 2018

PACS:

TM46

Fund:国家自然科学基金（51077112）和河北省自然科学基金（E2015203407、13211907D-2）资助项目

Corresponding Authors: 孙孝峰男,1970年生,教授,博士生导师,研究方向为变流器拓扑及控制、新能源并网和电能质量控制。E-mail: sxf@ysu.edu.cn

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	Sun Xiaofeng
	Pan Yao
	Shen Hong
	Shen Yanfeng
	Li Xin

Cite this article:

Sun Xiaofeng,Pan Yao,Shen Hong等. A Resonant Current-Fed Bi-Directional Converter with High-Voltage-Side Modulation[J]. Transactions of China Electrotechnical Society, 2017, 32(24): 80-87.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.160744 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I24/80

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