Quasi-Z-Source-Based Isolated DC/DC Converters for Distributed Power Generation

被引:300
|
作者
Vinnikov, Dmitri [1 ]
Roasto, Indrek [1 ]
机构
[1] Tallinn Univ Technol, Dept Elect Drives & Power Elect, EE-19086 Tallinn, Estonia
关键词
DC-DC power conversion; fuel cells (FCs); pulsewidth-modulated power converters; rectifiers;
D O I
10.1109/TIE.2009.2039460
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents new step-up dc/dc converter topologies intended for distributed power generation systems. The topologies contain a voltage-fed quasi-Z-source inverter with continuous input current on the primary side, a single-phase isolation transformer, and a voltage doubler rectifier (VDR). To increase the power density of the converter, a three-phase auxiliary ac link (a three-phase inverter and a three-phase isolation transformer) and a three-phase VDR are proposed to be implemented. This paper describes the operation principles of the proposed topologies and analyzes the theoretical and experimental results.
引用
收藏
页码:192 / 201
页数:10
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