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Design of High Performance Permanent-Magnet Synchronous Wind Generators

Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
Author to whom correspondence should be addressed.
Energies 2014, 7(11), 7105-7124;
Received: 27 August 2014 / Revised: 21 October 2014 / Accepted: 22 October 2014 / Published: 4 November 2014
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This paper is devoted to the analysis and design of high performance permanent-magnet synchronous wind generators (PSWGs). A systematic and sequential methodology for the design of PMSGs is proposed with a high performance wind generator as a design model. Aiming at high induced voltage, low harmonic distortion as well as high generator efficiency, optimal generator parameters such as pole-arc to pole-pitch ratio and stator-slot-shoes dimension, etc. are determined with the proposed technique using Maxwell 2-D, Matlab software and the Taguchi method. The proposed double three-phase and six-phase winding configurations, which consist of six windings in the stator, can provide evenly distributed current for versatile applications regarding the voltage and current demands for practical consideration. Specifically, windings are connected in series to increase the output voltage at low wind speed, and in parallel during high wind speed to generate electricity even when either one winding fails, thereby enhancing the reliability as well. A PMSG is designed and implemented based on the proposed method. When the simulation is performed with a 6 Ω load, the output power for the double three-phase winding and six-phase winding are correspondingly 10.64 and 11.13 kW. In addition, 24 Ω load experiments show that the efficiencies of double three-phase winding and six-phase winding are 96.56% and 98.54%, respectively, verifying the proposed high performance operation. View Full-Text
Keywords: high performance; permanent-magnet synchronous wing generator (PSWG); Taguchi method high performance; permanent-magnet synchronous wing generator (PSWG); Taguchi method

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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MDPI and ACS Style

Hsiao, C.-Y.; Yeh, S.-N.; Hwang, J.-C. Design of High Performance Permanent-Magnet Synchronous Wind Generators. Energies 2014, 7, 7105-7124.

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