Improvement of modulation strategy for two-stage matrix converter under abnormal input voltages

被引：0
|
作者：
Deng, Wenlang [1 ,2 ]
Yang, Xinrong [2 ]
Zhu, Jianlin [1 ]
Yi, Lingzhi [1 ]
机构：
[1] Xiangtan University, Xiangtan 411105, China
[2] Central South University, Changsha 410083, China
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2007年 / 22卷 / 01期
关键词：
Computer simulation - Electric converters - Electric rectifiers - MATLAB - Vectors;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The conventional space vector modulation can't reduce the influence imposed on the output of two-stage matrix converter (TSMC) by abnormal input voltages. To overcome this shortcoming, a new method is proposed to describe the abnormal input voltages, and a concept of anti-disturbance vector is introduced and added to the rectifier modulation vector to improve the output waveforms. In this paper, the principle of modified strategy is analyzed, and the output performance of TSMC with conventional strategy is compared with those with modified strategy by Matlab/Simulink. Analyses and simulation show that the proposed strategy is easily to implement and can effectively reduce the output harmonic components under abnormal input voltages. Therefore, the validity of the modified strategy is verfied.
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页码：96 / 102
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