A Simple Current Control Strategy for Four-leg Direct Matrix Converter

被引：0
|
作者：
Han Hua [1 ]
Li Zhejun [1 ]
Mao Yongmei [1 ]
Wang Hui [1 ]
Dan Hanbing [1 ]
Wen Meng [1 ]
机构：
[1] Cent South Univ, Sch Informat Sci & Engn, Changsha, Hunan, Peoples R China
来源：
2015 CHINESE AUTOMATION CONGRESS (CAC) | 2015年
关键词：
Unbalanced load; direct matrix converter; predictive control method;
D O I：
暂无
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 four-leg Matrix converter is built based on conventional Matrix converter. It is required to provide a path for the zero-sequence load current when the added midline bridge connects the neutral point of load. In this paper, a model predictive control method for a four-leg matrix converter under unbalanced load condition is described. The predictive control method is based on the optimal selection among the valid switching states of the converter by evaluating a cost function. Compared with the conventional method, the predictive control method is simple to implement without coordination transformation and duty ratio calculation. To support the theoretical analysis, the feasibility and reliability of the proposed method are verified by simulation results.
引用
收藏
页码：2174 / 2179
页数：6
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