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

页码：782 / 789

页数：8

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