基于SFDICT磁链位置积分器的直驱永磁风力发电机无传感器控制

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Abstract Given the characteristics of MW-level direct-drive permanent magnet synchronous generator(PMSG), a sensorless control based on SFDICT rotor flux linkage position integrator is presented. Its implementation principle is introduced. In addition, performance of SFDICT under different harmonic components and different limits is discussed in depth. Furthermore, error evaluation formula under different limits is proposed. Based on it, small limit method with angle compensation is proposed. Finally, experiment results indicate the proposed method can get better accuracy and current of good quality. Results also show its excellent steady and dynamic performance as well as easy implementation.

Key words： Permanent magnet wind generator sensorless control direct-drive wind power generation integrator

Received: 26 March 2012 Published: 20 March 2014

PACS:

TM351

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	Tang Fen
	Jin Xinmin
	Zhou Xiao
	Zhao Xin
	Tong Yibin

Cite this article:

Tang Fen,Jin Xinmin,Zhou Xiao等. Sensorless Control of Direct-Drive Permanent Magnet Wind Generator Based on SFDICT Rotor Flux Linkage Position Integrator[J]. Transactions of China Electrotechnical Society, 2012, 27(11): 46-54.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I11/46

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