A Two Stage DC/DC Converter with Wide Input Range for

被引：0
|
作者：
Wen, Peng [1 ]
Hu, Changsheng [1 ]
Yang, Haitao [1 ]
Zhang, Longlong [1 ]
Deng, Cheng [1 ]
Li, Yashun [1 ]
Xu, Dehong [1 ]
机构：
[1] Zhejiang Univ, Inst Power Elect, Hangzhou 310003, Zhejiang, Peoples R China
来源：
2014 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-HIROSHIMA 2014 - ECCE-ASIA) | 2014年
关键词：
Boost-LLC converter; Electrical Vehicle (EV); Wide Input Range; Two-stage converter;
D O I：
暂无
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 electrical vehicles (EVs), the DC/DC converter is needed to interface high voltage power battery with 12 V electrical system. The converter is required to adapt the wide range input voltage as well as low-voltage high-current output. Moreover, the converter needs high efficiency and high power density. This paper investigates a two-stage converter with high efficiency including two-phase interleaved Boost converter and full-bridge LLC converter. Firstly the design of the two-stage converter is studied. Then the loss breakdown analysis is given. The conversion efficiency of the two-stage converter is evaluated with both theoretical analysis and experiment. A 1.5 kW prototype is built to verify the analysis.
引用
收藏
页码：782 / 789
页数：8
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