Design of High Performance Permanent-Magnet Synchronous Wind Generators

Chun-Yu Hsiao, Sheng-Nian Yeh and Jonq-Chin Hwang
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Chun-Yu Hsiao: Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
Sheng-Nian Yeh: Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
Jonq-Chin Hwang: Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan

Energies, 2014, vol. 7, issue 11, 1-20

Abstract: 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 ? 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 ? 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.

Keywords: high performance; permanent-magnet synchronous wing generator (PSWG); Taguchi method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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