基于开关电容网络的DC-DC变换器

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摘要在现有的DC-DC变换器中,Buck、Boost及双向变换器的升降压能力有限,在一定程度上限制了其适用范围。本文提出一种升压型开关电容网络和一种降压型开关电容网络,并在此基础上推演出一系列DC-DC变换器：单级升压变换器、单级降压变换器、双向升降压变换器、多输入升压变换器和多级降压变换器。给出了这五类变换器拓扑的推演过程,详细分析了其工作原理,并通过仿真研究证明了理论分析的正确性。

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	侯世英
	陈剑飞
	孙韬
	王俪蓉
	王玉峰

关键词 ： DC-DC, 开关电容, 升压, 降压

Abstract：In existing DC-DC converters, the step-up/step-down capacity of Buck, Boost, and bidirectional converters is limited, which greatly reduces their application sphere. A step-up-protype switched-capacitor network and a step-down-protype switched-capacitor network are proposed in the paper. Thus, a series of DC-DC converters are put forward based on them: the single-stage step-up converter, the single-stage step-down converter, bidirectional step-up/step-down converter, the multi-input step-up converter and the multi-stage step-down converter. Derivation processes of these five converter topologies are presented and corresponding operating principles of them are analysised in detail. Simulation and researches are provided to verify the correctness of the proposed converters.

Key words： DC-DC switched-capacitor step-up step-down

收稿日期: 2012-09-03 出版日期: 2014-11-05

PACS:

TM464

基金资助:输配电装备及系统安全与新技术国家重点实验室自主研究项目（2007DA10512711204）,输配电装备及系统安全与新技术国家重点实验室自主研究项目（2007DA10512709304）和中央高校基本科研业务费项目（CDJXS12150005）资助

作者简介: 作者简介侯世英女,1962年生,博士,教授,博士生导师,主要研究方向为电力电子技术在电力系统中的应用和新能源发电技术。陈剑飞（通信作者）男,1987年生,博士研究生,主要研究方向为功率变换器和新能源发电技术。

引用本文:

侯世英, 陈剑飞, 孙韬, 王俪蓉, 王玉峰. 基于开关电容网络的DC-DC变换器[J]. 电工技术学报, 2014, 29(10): 90-97. Hou Shiying, Chen Jianfei, Sun Tao, Wang Lirong, Wang Yufeng. DC-DC Converters Based on Switched-Capacitor Network. Transactions of China Electrotechnical Society, 2014, 29(10): 90-97.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I10/90

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