An Active Power-Decoupling Method for Single-Phase AC-DC Converters

被引：140

作者：

Su, Mei ^{[1
]}

Pan, Pan ^{[1
]}

Long, Xi ^{[1
]}

Sun, Yao ^{[1
]}

Yang, Jian ^{[1
]}

机构：

[1] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS | 2014年 / 10卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Active power decoupling; direct ripple power cancellation; multiresonant controller; single-phase ac-dc converter; INVERTERS;

D O I：

10.1109/TII.2013.2261081

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 an active topology for power decoupling in single-phase ac-dc converters, featuring the effective suppression of low-frequency power ripple which is an inherent problem in single-phase energy conversion systems. This topology is composed of an H-bridge circuit and a ripple power-decoupling circuit. The ripple power-decoupling circuit shares one bridge arm with the H-bridge circuit so it has less additional components: just one IGBT, one diode, and an energy-storage inductor. Its modulation strategy is properly devised to coordinate the operation of decoupling circuit and H-bridge circuit. To enhance the power-decoupling performance, a direct ripple power-cancellation method based on energy-storage inductor is proposed. A multiresonant controller with feed-forward control is introduced for fast and precise current tracking. The effectiveness of this topology has been verified by detailed simulation studies as well as the laboratory prototype experiment results.

引用

页码：461 / 468

页数：8

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