双转子永磁风力发电机设计

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Abstract As a novel machine, dual-rotor, radial-flux, toroidally-wound, permanent-magnet wind generator can improve machine torque density and efficiency. In this paper, in order to reduce the cogging torque and improve the related properties of this machine, after the principles of operation, configurations, and features are discussed. The key design equations are deduced. In addition, by the deduced key design equations and the finite element analysis soft of Ansoft, for characteristics of dual-rotor permanent-magnet wind generator, a detailed analysis about the impact of the ratio of inside air-gap radius to outside air-gap radius on the performance and other parameters of this machine and the methods to reducing cogging torque of this machine are executed. A 1.5MW, 150r/min dual-rotor, radial-flux, toroidally-wound, permanent-magnet wind generator is designed optimally. At last, the correctness of the design equations is verified by finite element method ,in the condition of the satisfied of the design demands, inside air-gap radius to outsides air-gap radius should be reduced and the cogging torque can be reduced availably by changing the angles of rabbets and permanent magnets.

Key words： keywords：Dual rotor permanent-magnet wind generator finite-element analysis(FEA) electromagnetic design

Received: 10 September 2012 Published: 12 December 2013

PACS:

TM315

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	Articles by authors
	Chu Zhanyu
	An Zhongliang
	Tong Wenming
	Tang Renyuan

Cite this article:

Chu Zhanyu,An Zhongliang,Tong Wenming等. Design and Research on Dual-Rotor Permanent-Magnet Wind Generator[J]. Transactions of China Electrotechnical Society, 2013, 28(1增): 265-270.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I1增/265

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