基于-静止坐标系的PWM整流器双单输入单输出模型

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Abstract According to the mathematical model of PWM rectifier, a novel dual single-input single-output model based on α-β stationary reference frame for PWM rectifier is proposed. In this model, the α-axis and β-axis equivalent model are shown to be similar to two traditional single-phase boost converters, and switching strategies are analyzed to determine switching control signals in a switching period based on space vector modulation. According to energy balance condition, a detailed analysis of the parameter conditions required for system design is presented. It is much easier to analyze a complex three-phase PWM rectifier and to implement by digital signal processor (DSP). The experimental results show that the unit power factor is implemented, the harmonics are suppressed effectively, the sinusoidal line current is achieved and the system has a good dynamic response.

Key words： Dual single-input single-output model α-βstationary frame PWM rectifier unit power factor

Received: 26 December 2008 Published: 04 March 2014

PACS:

TM461

Fund:This work is supported by Natural Science Foundation of Shaanxi province (2004E214) and Shaanxi provincial project of special foundation of key disciplines.; Received December 26, 2008; received in revised form October 25, 2009.

About author:: Sun Qiang male, was born in 1955, professor, master supervisor. He is engaged in theory and application of modern high-efficiency power converters.Yin Zhonggang male, was born in 1982, PhD, lecturer. His research interests include PWM rectifier and motor control.

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	Zhong Yanru

Cite this article:

Sun Qiang,Yin Zhonggang,Zhong Yanru. A Dual Single-Input Single-Output Model of PWM Rectifier Based on α-β Stationary Frame[J]. Transactions of China Electrotechnical Society, 2010, 25(3): 73-80.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I3/73

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