矩阵变换器占空比矢量理论及调制策略

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Abstract Voltage-controlled modulation research of matrix converter (MC) is discussed in this paper based on duty-cycle space vector (DCSV) theory. To discuss the relationship among several modulation methods, DCSV theory is introduced to calculate general expression of duty-cycle and geometrical notation and characteristic of DCSV is deeply studied. Zero-sequence vector is researched which has much influence on phase output voltage, line output, set ratio and switching times. The duty-cycles are decomposed and recomposed to obtain space vector modulation (SVM) which has 7 duty-cycles corresponding to 3 zero vector states and 4 stationary vector states. This modulation based on DCSV theory is equal to the traditional SVM. The relationship among AV method, optimal AV method, double line voltage synthesis method and SVM is analyzed by the simulation results at last.

Key words： Matrix converter modulation space vector modulation duty-cycle space vector zero-sequence vector

Received: 26 October 2010 Published: 07 March 2014

PACS:

TM464

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	He Bi
	Qiao Mingzhong
	Lin Hua
	She Hongwu
	Wang Xingwei

Cite this article:

He Bi,Qiao Mingzhong,Lin Hua等. Duty-Cycle Space Vector Theory of Matrix Converter and Its Modulation Method[J]. Transactions of China Electrotechnical Society, 2011, 26(1增): 56-65.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I1增/56

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作者简介:何必男, 1979年生, 博士, 研究方向为电力电子与电力传动、交-交变频器及其调速系统。乔鸣忠男, 1971年生, 副教授, 硕士生导师, 研究方向为电力电子与电力传动、自动控制方面的研究。