直驱风力发电系统三电平PWM整流器的控制策略

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Abstract With direct-drive the continuous expansion of the power generation system and the three-level PWM rectifier is becoming a research hotspot of wind power technology. Analysis the NPC three-level converter topology and control strategy. Used a SVPWM algorithm based on 60° coordinate system, then the switch state corresponding to the coordinates is converted into an integer to avoid the complex trigonometric calculations and simplify the vector of the three-level rectifier operation. Through the Matlab/Simulink model in a given case of average wind speed, shows that the generator electromagnetic torque has fast response, DC-side voltage response in a short time, and AC current has a good sinusoidal wave.

Key words： keywords：Direct-drive power generation three-level PWM rectifier SVPWM 60° coordinate system

Received: 04 September 2012 Published: 12 December 2013

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TM310

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	Tan Haibo
	Zhou Lawu
	Liu Binsheng
	Peng Jianguo

Cite this article:

Tan Haibo,Zhou Lawu,Liu Binsheng等. Control Strategy of Three-Level PWM Rectifier Suitable for Direct-Drive Wind Power System[J]. Transactions of China Electrotechnical Society, 2013, 28(1增): 159-163.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I1增/159

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