独立运行无刷双馈发电机基于空间矢量调制的直接电压控制技术

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Abstract In this paper, a novel control strategy of variable speed constant frequency for stand-alone brushless doubly fed induction generator was described. Based on the mathematical model, the direct voltage control using space-vector modulation was presented and discussed particularly. The model of the generator power system also used to compute the estimated value of converter’s output voltage, and current loop was simplified, the space vector modulation is adopted for the converter. It inherits quick dynamic performance and robust but also keep switch frequency constant and reduce the harmonic and ripple. In addition, a new initial rotor position detection technique based on phase-locked loop is presented to obtain correct alignment. The direct control and vector control strategy between the grid-connected and stand-alone system were also estimated and compared. Experimental results prove the feasibility and validity of the proposed control scheme.

Key words： brushless doubly fed induction generator stand-alone direct voltage control space vector modulation variable speed constant frequency

Received: 01 September 2014 Published: 14 September 2015

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TM315

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	Ji Kai
	Huang Shenghua
	Zeng Chuan
	Gao Yue

Cite this article:

Ji Kai,Huang Shenghua,Zeng Chuan等. Direct Voltage Control Using Space Vector Modulation for Stand-Alone Brushless Doubly Fed Induction Generator[J]. Transactions of China Electrotechnical Society, 2015, 30(12): 186-196.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I12/186

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