Soft-Switching Bidirectional DC-DC Converter Using a Lossless Active Snubber

被引：77
作者：
Yang, Jae-Won [1 ]
Do, Hyun-Lark [1 ]
机构：
[1] Seoul Natl Univ Sci & Technol, Elect & Informat Engn Dept, Seoul 139743, South Korea
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2014年 / 61卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
Bidirectional dc-dc converter; lossless active snubber; zero-voltage-switching; DC/DC CONVERTER; INVERTER; SYSTEMS; DESIGN; ENERGY;
D O I：
10.1109/TCSI.2013.2285700
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A soft-switching bidirectional dc-dc converter using a lossless active snubber is proposed in this paper. In the proposed converter, zero-voltage-switching (ZVS) of main switches is achieved by utilizing an active snubber which consists of auxiliary switches, diodes, an inductor, and a capacitor. Although conduction losses associated with additional components increase, switching losses are significantly reduced due to the ZVS operation of main switches. Therefore, total efficiency is improved. Moreover, there is no reverse-recovery problem of the intrinsic body diodes of the switches. To verify the ZVS of the main switches and efficiency improvement of the proposed bidirectional dc-dc converter, theoretical analysis and experimental results from a 200 W prototype are discussed.
引用
收藏
页码：1588 / 1596
页数：9
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