Family of Enhanced ZCS Single-Stage Single-Phase Isolated AC-DC Converter for High-Power High-Voltage DC Supply

被引：56

作者：

Li, Chushan ^{[1
]}

Xu, Dewei ^{[1
]}

机构：

[1] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2017年 / 64卷 / 05期

关键词：

AC-DC; power factor correction (PFC); single-stage; zero-current-switched (ZCS); PFC CONVERTER; AC/DC CONVERTER; DESIGN; MODULATION;

D O I：

10.1109/TIE.2017.2652374

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

AC-DC power supply is essential equipment which builds the connection between the ac grid and the dc loads. In order to achieve high-power density and high efficiency, a family of enhanced zero-current-switched (ZCS) single-stage single-phase isolated ac-dc converters is proposed for high-power high-voltage dc application. Only one resonant capacitor is required for the proposed converters to realize ZCS operation. On the other hand, the over voltage problem which exists in former developed ZCS ac-dc topologies is eliminated. Thus, lower voltage rating IGBTs can be applied. Higher efficiency is realized. At the same time, these converters inherit the feature such as one-stage power conversion, low conduction loss, good total harmonics distortion performance, etc. A 3 kW prototype is built to verify the proposed converters. A comparison is made to show the efficiency improvement clearly.

引用

页码：3629 / 3639

页数：11

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