High-Efficiency Supercapacitor Charger Using an Improved Two-Switch Forward Converter

被引：13
作者：
Choi, Woo-Young [1 ]
Yang, Min-Kwon [1 ]
Suh, Yongsug [2 ]
机构：
[1] Chonbuk Natl Univ, Div Elect Engn, Jeonju, South Korea
[2] Chonbuk Natl Univ, Dept Elect Engn, Jeonju, South Korea
来源：
JOURNAL OF POWER ELECTRONICS | 2014年 / 14卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Forward converter; High-efficiency; Supercapacitor charger; Switching loss; PERFORMANCE;
D O I：
10.6113/JPE.2014.14.1.1
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：
This paper proposes a high-efficiency supercapacitor charger. Conventional two-switch forward converter can be used for charging supercapacitors. However, the efficiency of conventional converters is low because of their switching losses. This study presents a high-efficiency two-switch forward converter for supercapacitor chargers. The proposed converter improves power efficiency by 4 %, from 89 % to 93 %. The proposed converter has the advantages of reduced switch voltage stresses and minimized circulating current when compared to other converter topologies. The performance of the proposed converter is evaluated by experimental results using a 300 W prototype circuit for a 54-V, 35-F supercapacitor bank.
引用
收藏
页码：1 / 10
页数：10
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