电工技术学报  2017, Vol. 32 Issue (3): 172-183    DOI:
电力电子与电力传动 |
一种新型非谐振型软开关交错并联Boost电路
韦莉, 刘帅, 尤伟玉, 张逸成, 姚勇涛
同济大学电子与信息工程学院 上海 201804
A Novel Interleaved Boost Converter with Non-Resonant Soft-Switching
Wei Li, Liu Shuai, You Weiyu, Zhang Yicheng, Yao Yongtao
College of Electronics and Information Engineering Tongji University Shanghai 201804 China
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摘要 提出一种新型非谐振型交错并联Boost零电压转换(ZVT)电路。在传统交错并联Boost拓扑基础上添加了一组由一个电感、两个电容、一个开关管、四个二极管组成的辅助网络,令主开关管实现了零电压开通与关断,辅助开关管实现了零电流开通与部分零电压关断,降低了开关损耗,提升了电路变换效率。软开关可在宽工作范围内有效实现,电路工作在连续电流模式(CCM),控制方式简明易行,辅助网络的引入没有给主开关管带来额外电流应力。通过复用部分辅助元件,提高了辅助网络利用率,减少了体积与费用;降低了开关过程中的dv/dt、di/dt,抑制了开关噪声。详细分析了电路拓扑结构、工作原理,并对主要参数进行了优化选取,最后通过实验验证了理论分析的正确性。
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韦莉
刘帅
尤伟玉
张逸成
姚勇涛
关键词 交错并联 Boost变换器 非谐振型零电压转换 辅助网络复用    
Abstract:A novel interleaved Boost converter with non-resonant zero-voltage-transition (ZVT) is proposed in this paper. Based on the conventional interleaved Boost converter, an auxiliary circuit composed of 1 inductor, 2 capacitors, 1 active power switch and 4 diodes is added. Main switches turn ON and OFF with ZVT, while auxiliary switch turns ON with zero-current-transition (ZCT) and OFF partly with ZVT, so as to reduce the switching losses and raise conversion efficiency. Soft-switching in wide operation range can be guaranteed, so can the simple control method. The converter can work in continuous current mode (CCM), and no extra current stress is added to the main switches. With sharing some auxiliary devices, the utilization of auxiliary circuit is improved, thus the size and cost are reduced. In addition, dv/dt and di/dt are also reduced, and switching noises are suppressed. The circuit configuration and operation principle are presented. Major parameters of auxiliary circuit are optimized. Experimental results are also given to verify the theoretical analysis.
Key wordsInterleaved    Boost converter    non-resonant zero-voltage-transition    sharing of auxiliary circuit   
收稿日期: 2015-07-05      出版日期: 2017-02-27
PACS: TM46  
基金资助:国家高技术研究发展计划(863计划)项目资助(2011AA11A265,2011AA11A233)。
通讯作者: 韦 莉 女,1981年生,助理教授,研究方向为大功率电力电子技术与大规模储能技术。E-mail:weili@tongji.edu.cn(通信作者)   
作者简介: 刘 帅 男,1987年生,博士研究生,研究方向为大功率电力电子技术。E-mail:barcamars@126.com
引用本文:   
韦莉, 刘帅, 尤伟玉, 张逸成, 姚勇涛. 一种新型非谐振型软开关交错并联Boost电路[J]. 电工技术学报, 2017, 32(3): 172-183. Wei Li, Liu Shuai, You Weiyu, Zhang Yicheng, Yao Yongtao. A Novel Interleaved Boost Converter with Non-Resonant Soft-Switching. Transactions of China Electrotechnical Society, 2017, 32(3): 172-183.
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