A Half-Bridge LLC Converter for Wide Input Voltage Range Applications

被引：0

作者：

Jin, Xiaoguang ^{[1
]}

Zhou, Xiao ^{[1
]}

Wang, Wubin ^{[1
]}

Ma, Zhen ^{[2
]}

Xu, Jun ^{[2
]}

Lu, Zhengyu ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Elect Engn, Hangzhou, Zhejiang, Peoples R China

[2] Shanghai Inst Space Power Sources, Shanghai, Peoples R China

来源：

2018 IEEE INTERNATIONAL POWER ELECTRONICS AND APPLICATION CONFERENCE AND EXPOSITION (PEAC) | 2018年

关键词：

resonant converter; post-regulator; wide-range; RESONANT CONVERTER;

D O I：

暂无

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：

An improved half-bridge LLC converter with magamp auxiliary post-regulator is proposed in this paper. The function of magamp is bypassed when the converter works within low input-voltage range, whereas it operates as an auxiliary post-regulator when the input-voltage is high. By changing the magamp's blocking time, the dc gain of the converter can be extended accordingly. Hence, the input-voltage range of the converter is extended. The generalized operational principle is analyzed and the design criterion for the magamp is presented. Finally, a 25V output, 400W experimental prototype was built and tested for a 160-300V input-voltage range to verify the feasibility of the proposed method.

引用

页码：1513 / 1517

页数：5

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