传统矩阵变换器最小相位误差空间矢量过调制策略

doi:10.19595/j.cnki.1000-6753.tces.171488

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Abstract This paper investigates the voltage transfer ratio (VTR) characteristics of conventional matrix converter (CMC). The analytic expression of instantaneous voltage transfer ratio (IVTR) affected by output/input frequency ratio, initial phase of output voltage, and input power factor angle is derived and analyzed. By performing double Fourier transform on output line voltage, the maximum fundamental VTR with minimum phase error (MPE) over-modulation strategy is obtained for CMC. A novel MPE over-modulation strategy adopting linear weighted theory is proposed. Both simulation and experimental results show that the proposed strategy can improve fundamental VTR of CMC up to 0.953 while maintaining small output voltage amplitude error and low output current harmonic components.

Key words： Matrix converter voltage transfer ratio minimum phase error over-modulation linear weighted

Received: 31 October 2017 Published: 29 January 2019

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TM46

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	Gao Wenke
	Yan Yan
	Shi Tingna

Cite this article:

Gao Wenke,Yan Yan,Shi Tingna. Minimum Phase Error Space-Vector Over-Modulation Strategy of Conventional Matrix Converter[J]. Transactions of China Electrotechnical Society, 2019, 34(2): 316-325.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.171488 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I2/316

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