Equivalence of SVM and Carrier-Based PWM in Three-Phase/Wire/Level Vienna Rectifier and Capability of Unbalanced-Load Control

被引：124

作者：

Hang, Lijun ^{[1
,3
]}

Li, Bin ^{[2
]}

Zhang, Ming ^{[2
]}

Wang, Yong ^{[3
]}

Tolbert, Leon M. ^{[1
]}

机构：

[1] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA

[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China

[3] Shanghai Jiao Tong Univ, Key Lab Control Power Transmiss & Convers, Minist Educ, Dept Elect Engn, Shanghai 200240, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2014年 / 61卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Carrier-based pulsewidth modulation (PWM); common-mode component; dc-link neutral point balance; space vector modulation (SVM); Vienna rectifier; SPACE-VECTOR PWM; MODULATION; ALGORITHM;

D O I：

10.1109/TIE.2013.2240637

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, the analysis of space vector modulation of a three-phase/wire/level Vienna rectifier is conducted, according to which the implementation of the equivalent carrier-based pulsewidth modulation is deduced theoretically within each separated sector in the diagram of vectors. The voltage balancing ability of dc-link neutral point, which depends on the uneven distribution of short vectors, is analyzed as well. An adaptive and robust controller to balance the output voltage under the unbalanced load limit for different modulation indices is proposed. The proposed controller can work at wide range of unbalanced load condition as well. Furthermore, the maximum unbalanced load is deduced versus the modulation index m when the converter works in unity power factor. An experimental prototype of 2.5 kW was built to verify the effectiveness of the theoretical analysis. Finally, the tested unbalanced limit of outputs for the experimental platform was given under different modulation indices. The output voltages for dual bus are balanced, and the theoretical analysis is verified.

引用

页码：20 / 28

页数：9

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