Packed U Cells Multilevel Converter Topology: Theoretical Study and Experimental Validation

被引：334

作者：

Ounejjar, Youssef ^{[1
]}

Al-Haddad, Kamal ^{[1
]}

Gregoire, Luc-Andre ^{[1
]}

机构：

[1] Ecole Technol Super, Dept Elect Engn, Montreal, PQ H3C 1K3, Canada

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

DSP implementation; harmonics; multilevel converter topologies; power quality; unity power factor operation; SMALL-SIGNAL MODEL; CONTROL STRATEGY; ACTIVE-FILTER; INVERTER; IMPLEMENTATION;

D O I：

10.1109/TIE.2010.2050412

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, authors propose a new power multilevel converter topology that is very competitive compared to the existing ones. It consists of packed U cells (PUC). Each U cell consists of an arrangement of two power switches and one capacitor. It offers high-energy conversion quality using a small number of capacitors and power devices and consequently, has a very low production cost. An averaged model of the topology is detailed. The operating principle of the transformerless seven-level inverter is analyzed and detailed. The multilevel sinusoidal modulation has been adapted for use with the PUC-based structure. The control strategy has been designed to reduce the harmonic contents of the load voltage. With such converters, filters' rating is considerably reduced. A comparative study is performed to highlight the advantages of the new packed U cells topology. The operation of the proposed converter topology has been verified through simulation. Experimental validation was performed using DS1103 DSP of dSpace.

引用

页码：1294 / 1306

页数：13

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