双馈电机复功率特性研究及四维分析

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Abstract The derivation of the equivalent circuit of Doubly-Fed Induction Machine(DFIM) is thoroughly researched and the shaft’s function reflected in phase equivalent circuit is explained. The mechanical active and reactive power is defined and the conservation of complex power in the conversion of electro-mechanical energy of DFIM is proposed. As the frequency of rotor is minus when DFIM is running at super synchronous speed, the complex power of minus frequency circuit is researched. The result is applied in the reactive power analysis of DFIM. The characteristics of DFIM in the three dimension space constructed by stator active power, reactive power and slip is illustrated in four dimensions to obtain a simple and clear view.

Key words： Doubly-fed induction machine equivalent circuit minus frequency power relation complex power conservation

Received: 18 March 2011 Published: 19 March 2014

PACS:

TM310

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	Articles by authors
	Zhan Liangyu
	Jin Xinmin
	Zhang Lu

Cite this article:

Zhan Liangyu,Jin Xinmin,Zhang Lu. Complex Power Characteristics of Doubly-Fed Induction Machine and Its Four Dimension Analysis[J]. Transactions of China Electrotechnical Society, 2012, 27(1): 130-135.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I1/130

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作者简介:战亮宇女, 1983年生, 博士研究生, 从事风力发电变流器控制研究工作。金新民男, 1950年生, 教授, 博士生导师, 从事电力电子, 交流传动, 新能源发电, 微网等方面的教学和研究工作。