Dual Output DC-DC Converter with Shared ZCS Lagging Leg

被引：5
|
作者：
Chen, Yu [1 ]
Peng, Li [1 ]
Pei, Xuejun [1 ]
Kang, Yong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, Wuhan 430074, Peoples R China
来源：
2010 TWENTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2010年
关键词：
D O I：
10.1109/APEC.2010.5433419
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 dual output dc-dc converter with shared ZCS lagging leg is presented in this paper. In this proposed converter, the two outputs are formed by their independent leading legs and the common lagging leg. Each output is regulated by the phase shift between their leading legs and the shared lagging leg. The leading legs work in zero-voltage-switching (ZVS) mode, and the ZVS condition is easy to satisfy; the shared lagging leg works in ZCS mode, and the ZCS condition is independent of the loads. Therefore the proposed topology is high switching frequency, high efficiency, simply structure and easy to control. The operational principle of the proposed converter is analyzed, and the new features are discussed. A prototype with 200V input, 24V/5A and 15V/15A outputs is build to verify the analysis.
引用
收藏
页码：1441 / 1447
页数：7
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