一种双馈式风力发电系统的等效模型

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Abstract In order to study the characteristics of generalized integrated load containing distributed doubly-fed wind power generation system in the distribution network, this paper proposes a three-order induction motor comprehensive equivalent model of a doubly-fed wind power generation system. The equivalent circuit, static power characteristics and control strategy of the doubly fed induction generator (DFIG) power generation system are firstly analyzed; on this basis, the structural characteristics and parameter identification of DFIG generation system are discussed. Then, an internal feedback link is introduced in the output equation to improve the equivalent model’s description of dynamic characteristics of DFIG, and the physical meaning of the improved model are explained from mechanic perspective. Finally, the validity of the model is verified through a series of modeling and simulation experiments.

Key words： Distributed generation load modeling DFIG equivalent model differential equation

Received: 25 May 2013 Published: 25 May 2015

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TM743

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	Articles by authors
	Li Xinran
	Ma Yahui
	Cao Yijia
	Xu Zhenhua
	Liu Weijian
	Hu Longhui

Cite this article:

Li Xinran,Ma Yahui,Cao Yijia等. An Equivalent Model of Doubly-Fed Wind Generation System[J]. Transactions of China Electrotechnical Society, 2015, 30(8): 210-217.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I8/210

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