Stability analysis of three-phase Vienna rectifier AC cascade system based on reduced order model

被引：0

作者：

Dang C. ^{[1
]}

Tong X. ^{[1
]}

Song W. ^{[1
]}

Huang J. ^{[1
]}

机构：

[1] School of Automation and Information Engineering, Xi'an University of Technology, Xi'an

来源：

Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2018年 / 38卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Impedance regulator; LC filter; Reduced order model; Stability; Three-level Vienna rectifier;

D O I：

10.16081/j.issn.1006-6047.2018.10.021

中图分类号：

学科分类号：

摘要：

Taking the small signal stability analysis of three-phase Vienna rectifier AC cascade system as the research object, the simplified small signal stability criterion in dq coordinate system is put forward, further, a Vienna rectifier impedance equation for small signal stability analysis in cascade system is given. Finally, a virtual impedance method is proposed to improve the small signal stability of Vienna rectifier system. A complete simulation and test model is built, and the detailed theoretical analysis and design scheme of virtual impedance are given. The results show the correctness of the small signal stability analysis and the proposed virtual impedance method. © 2018, Electric Power Automation Equipment Press. All right reserved.

引用

页码：133 / 139

页数：6

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