Analysis, Design and Experimental Results of Wide Range ZVS Active-Clamped L-L Type Current-Fed DC/DC Converter for Fuel Cells to Utility Interface

被引：131

作者：

Rathore, Akshay K. ^{[1
]}

Bhat, Ashoka K. S. ^{[2
]}

Oruganti, Ramesh ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore

[2] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2012年 / 59卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Fuel cells; high-frequency dc/dc converter; renewable energy systems; zero voltage switching (ZVS); DC-DC CONVERTER; POWER CONDITIONING SYSTEM; FULL-BRIDGE CONVERTER; HIGH-EFFICIENCY; INVERTER;

D O I：

10.1109/TIE.2011.2146214

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A wide range zero-voltage switching (ZVS) active-clamped L-L type current-fed isolated dc-dc converter is proposed for fuel cells to utility interface application. The proposed converter maintains ZVS of all switches from full load down to very light load condition for wide input voltage variation. Detailed operation, analysis, design, simulation and experimental results for the proposed converter are presented. The auxiliary active clamping circuit absorbs the turn-off voltage spike and also assists in achieving ZVS of main switches. The ZVS of auxiliary switches and main switches is achieved by the energy stored in the boost inductors and series inductor (aided by parallel inductor), respectively. Rectifier diodes operate with zero-current switching. An experimental converter rated at 200 W has been designed, built and tested in the laboratory to verify the analysis, design and performance of the proposed converter for wide variations in input voltage and load.

引用

页码：473 / 485

页数：13

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