An Integrated AC-DC Converter with Isolation and Reduced Number of Power Components

被引：0

作者：

Li, Guangdi ^{[1
]}

Lei, Yun ^{[2
]}

Deng, Yan ^{[1
]}

Wang, Kun ^{[1
]}

He, Xiangning ^{[1
]}

Wang, Yousheng ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China

[2] Fuji Elect Co Ltd, Tokyo, Japan

来源：

2017 IEEE SOUTHERN POWER ELECTRONICS CONFERENCE (SPEC) | 2017年

基金：

中国国家自然科学基金;

关键词：

integrated ac-dc converter; bridgeless PFC rectifier; LLC resonant converter; soft switching; RECTIFIER;

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：

This paper proposes an ac-dc converter with isolation and reduced number of power components. The proposed converter combines a totem-pole bridgeless PFC rectifier and a half-bridge LLC resonant converter into an integrated circuit topology. The front-end stage of the proposed converter is designed to be operated in continuous-conduction mode (CCM) using Silicon-Carbide (SiC) MOSFET, and the dc-dc stage offers attribute of soft switching on the power switches. The proposed converter features cost-effectiveness, high efficiency and low input current total harmonics distortion. A 500W prototype of the proposed converter is developed, and the efficiency of the converter reaches up to 94.5% with 1.74% input current THD at output power 500W.

引用

页码：354 / 359

页数：6

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