车用新型AC-DC矩阵式变换器

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Abstract The expansion of automotive electronic system and the disadvantage of the conventional rectifier should not be ignored. To achieve unity power factor and complete the step-down rectification in single stage, this paper presents a new type of AC-DC matrix converter with 42V for automotives. It removed the impact of harmonics which is caused by the dead time and reduced the cost of the system. In this paper, the modulation strategy of AC-DC matrix converter derived from that of three-phase - three-phase matrix converter and the methods of commutation are studied. The optimized modulation strategy named AV method is used to control the switch-state. The four-step commutation strategy is a solution of the risks for short circuit, open circuit and the dead-time problem. The experimental results based on DSP system and the simulation results demonstrate the validity and effectiveness of the system.

Key words： AC-DC converter matrix converter power factor four-step current commutation

Received: 19 November 2010 Published: 07 March 2014

PACS:

TM464

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	Xu Zhuang
	Yin Guanxian
	Xu Dianguo

Cite this article:

Xu Zhuang,Yin Guanxian,Xu Dianguo. A New Bidirectional AC-DC Converter Using a Matrix Converter Topology[J]. Transactions of China Electrotechnical Society, 2011, 26(8): 64-70.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I8/64

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