Design of a reflex-based bidirectional converter with the energy recovery function

被引：78

作者：

Chen, Liang-Rui ^{[1
]}

Chu, Neng-Yi ^{[2
]}

Wang, Chau-Shing ^{[1
]}

Liang, Ruey-Hsun ^{[2
]}

机构：

[1] Natl Changhua Univ Educ, Dept Elect Engn, Changhua 500, Taiwan

[2] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, Yunlin 640, Taiwan

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2008年 / 55卷 / 08期

关键词：

battery charging efficiency; battery charging speed; battery thermal deterioration effect; bidirectional converter (BC); uninterruptible power supply (UPS);

D O I：

10.1109/TIE.2008.918609

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a reflex charging strategy with the energy recovery function for a bidirectional converter (BC) is proposed to build a novel reflex-based BC (RBC) for increasing the battery charging efficiency in an uninterruptible power supply (UPS). The proposed RBC can provide a reflex charging current profile to charge the battery to obtain a high battery charging efficiency and prolong the battery life cycle. In particular, the negative pulse energy of the reflex charging current profile in the proposed RBC is recovered to reduce the battery charging dissipation. A soft transfer method is also developed in this paper to really erase the spike current in the RBC. A 400 W prototype is designed and implemented to verify the feasibility of the proposed RBC. Compared with a typical bidirectional converter, the battery charging efficiency, the battery charging speed, and the battery thermal deterioration effect are improved by about 10%, 8.8%, and 7%, respectively, with the proposed RBC.

引用

页码：3022 / 3029

页数：8

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