Modulation Methods for Indirect Matrix Converter Extending the Input Reactive Power Range

Modulation Methods for Indirect Matrix Converter Extending the Input Reactive Power Range
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扩展输入无功功率范围的间接矩阵变换器的调制方法

DOI:
10.1109/tpel.2016.2599642
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发表时间:
2017-06
影响因子:
6.7
通讯作者:
Huang Shoudao
Huang Shoudao
中科院分区:
工程技术1区
文献类型:
--
作者:
Li Xing;Sun Yao;Zhang Jianxin;Su Mei;Huang Shoudao

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在本研究中,提出了两种间接矩阵变换器(IMC)调制方法来克服有限的输入无功功率能力。这些方法首先分为两个独立的部分:输出电压形成和输入无功电流形成。然后,在相同的直流母线电压段下,以矢量合并的方式组合独立的调制过程。发现在大多数情况下,所提出的方法在输入无功功率范围方面优于现有的间接空间矢量调制(SVM)。此外,还提出了一种简化调制算法的方法,以减少计算负担,几乎不影响输入无功功率范围。最后,通过仿真和实验结果验证了调制方法的正确性。
In this study, two modulation methods for indirect matrix converters (IMCs) are proposed to overcome the limited input reactive power capability. These methods are first divided into two independent parts: the output voltage formation and the input reactive current formation. Afterward, the independent modulation process is combined in a way of vector merging under the same dc-link voltage segments. It is found that the proposed methods are superior to the existing indirect space vector modulations (SVM) in most situations, in the aspects of the input reactive power range. Besides, a way to simplify the modulation algorithm is presented to reduce the computational burden, which hardly affects the input reactive power range. Finally, the correctness of the modulation methods is confirmed by simulation and experimental results.
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