High step-down dc-dc converter with low voltage stress and wide soft-switching range

被引：23
|
作者：
Khalili, Siamak [1 ]
Farzanehfard, Hosein [1 ]
Esteki, Morteza [2 ]
机构：
[1] Isfahan Univ Technol, Dept Elect & Comp Engn, Esfahan 8415683111, Iran
[2] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2R3, Canada
来源：
IET POWER ELECTRONICS | 2020年 / 13卷 / 14期
关键词：
zero voltage switching; DC-DC power convertors; switching convertors; zero current switching; converter operation; low voltage stress; wide soft-switching range; buck converter; Cuk converter; integrated converter; converter diodes; high efficiency high step-down dc-dc converter; power; 200; 0; W; voltage; 155; V; 24; BUCK CONVERTER;
D O I：
10.1049/iet-pel.2019.1577
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：
In this study, the integration of buck converter with Cuk converter to achieve a non-isolated high step-down dc-dc converter is investigated. Also, a soft-switching cell is modified and used in the integrated converter to provide zero current switching and zero voltage switching condition for the converter switches at turn-on and turn-off, respectively. The auxiliary cell also eliminates the reverse recovery problem of the converter diodes. As a result, a high efficiency high step-down converter with reduced voltage stress for semiconductor components is derived. The analysis, operational principle and design considerations of the proposed converter are discussed in this study. The accuracy of the converter operation is verified by a 200 W, 155 V-to-24 V laboratory prototype.
引用
收藏
页码：3001 / 3008
页数：8
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