基于零序信号注入的载波型多相PWM控制技术

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Abstract To solve the problems of complex arithmetic and difficult expandability in the direct-computed multi-phase space vector pulse width modulation (SVPWM) control, a novel multi-phase carrier based PWM control method based on zero-sequence injection is proposed. The proposed method can improve the output voltage characteristic through injecting some zero-sequence signal to the standard sine signal, and high performance can be realized as the SVPWM. The theory of the new method is introduced, and range of the zero-sequence signal is deduced. Several classic zero-sequence signal realization methods were given, and the feature is discussed. Theoretical analysis and experiment results show that the multi-phase carrier PWM method based on zero-sequence injection has the advantages of simple realization, good performance and easy extending.

Key words： Multi-phase inverter carrier based PWM zero sequence signal harmonic

Received: 11 September 2007 Published: 11 February 2014

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TM464

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	Yu Fei
	Zhang Xiaofeng
	Qiao Mingzhong

Cite this article:

Yu Fei,Zhang Xiaofeng,Qiao Mingzhong. Multi-Phase Carrier PWM Control Technology Based on Zero-Sequence Signal Injection[J]. Transactions of China Electrotechnical Society, 2009, 24(2): 127-132.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I2/127

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作者简介:于飞男, 1975年生, 讲师, 博士, 研究方向为电力电子及舰船电力推进技术。张晓锋男, 1963年生, 教授, 博士生导师, 研究方向为电力系统自动化及舰艇电力推进技术。