Analysis and Investigation of a Soft-Switched Synchronous Buck Converter

被引：2
|
作者：
Tabbat, Peyman Alavi [1 ]
Khoshkbar-Sadigh, Arash [2 ]
Talebian, Iman [1 ]
Marzang, Vafa [1 ]
Babaei, Ebrahim [1 ]
机构：
[1] Univ Tabriz, Fac Elect & Comp Engn, Tabriz, Iran
[2] Penn State Univ, Sch Elect Engn & Comp Sci, University Pk, PA 16802 USA
来源：
2021 12TH POWER ELECTRONICS, DRIVE SYSTEMS, AND TECHNOLOGIES CONFERENCE (PEDSTC) | 2021年
关键词：
Synchronous Buck Converter; Zero Voltage Switching (ZVS); High Power Efficiency;
D O I：
10.1109/PEDSTC52094.2021.9405843
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this article, a soft-switched structure for the synchronous buck converters is proposed and analyzed. In this structure, by adding an LC circuit to the synchronous buck converter, soft-switching condition performance is obtained. Both the main and synchronous power switches turn on and turn off under ZVS condition. Therefore, the switching losses are eliminated completely and high power efficiencies can be obtained by implementing the proposed converter. In this article, the proposed structure and its operational modes are investigated in details. The proposed converter is compared with other soft-switched synchronous converters and the results are investigated comprehensively. The efficiency of the proposed converter is obtained and compared to the hard-switched converter. In addition, in order to validate the desired operation of the proposed structure, a 200W sample of this converter is simulated in the PSCAD software and the achieved results are analyzed in details.
引用
收藏
页码：555 / 559
页数：5
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