用于改善电流过零点畸变的Vienna整流器空间矢量调制策略

doi:10.19595/j.cnki.1000-6753.tces.L80292

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Abstract The input currents of Vienna rectifier with Space-Vector Modulation are distorted seriously around zero-crossing point. In this paper, the cause of current distortion around zero-crossing point is analyzed in the two-channel interleaved Vienna Rectifier System with dual-loop control under d-q rotation frame. Then, an improved space vector modulation method for Vienna rectifier is proposed. The proposed method is easy to implement without extra calculation. To avoid input current distortion, the redundant vector is rearranged in particular sectors, where the input current is around zero-crossing point. In addition, the application range of the proposed method is analyzed, and the performance of the method such as mid-point current and current ripple is analyzed compared with the traditional SVM. Finally, the performance of the proposed method is verified by simulation and experiment.

Key words： Vienna rectifier two-channel interleaved three-level space-vector modulation distortion around zero-crossing point

Received: 29 June 2018 Published: 26 September 2019

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TM46

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	Wang Tao
	Chen Changsong
	Duan Shanxu
	Zhu Wenjie
	Liu Tianchang

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Wang Tao,Chen Changsong,Duan Shanxu等. An Improved Space-Vector Modulation for Vienna Rectifier to Eliminating Current Distortion around Zero-Crossing Point[J]. Transactions of China Electrotechnical Society, 2019, 34(18): 3854-3864.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80292 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I18/3854

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