National Changhua University of Education Institutional Repository : Item 987654321/11134
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题名: Design of reflex-based bidirectional converter with the energy recovery function
作者: Chen, Liang‐Rui;Chu, N. Y.;Wang, C. S;Liang, R. H.
贡献者: 電機工程系
关键词: Battery charging efficiency;Battery charging speed;Battery thermal deterioration effect;Bidirectional converter (BC);Uninterruptible power supply (UPS)
日期: 2008-08
上传时间: 2012-06-05T04:33:40Z
出版者: Institute of Electrical and Electronics Engineers Inc.
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 400Wprototype 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.
關聯: IEEE Transactions on Industrial Electronics, 55(8): 3022-3029
显示于类别:[電機工程學系] 期刊論文

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