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| Effect of Pole Number and Slot Number on Performance of Permanent Magnet Generator Directly Driven by Wind Turbine |
| Zhang Yue1, 2, Wang Fengxiang1, Zhou Hao1, Zhang Guowei1 |
| 1. Shenyang University of Technology Shenyang 110178 China 2. Liaoning Institute of Science and Technology Benxi 117022 China |
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Abstract The permanent magnet(PM) generator directly-driven by wind turbine has the advantages of high efficiency, simple structure and reliable operation. How to improve the performance and reduce the cost of the machine by proper choice of the pole number and stator slot number is an important problem to be solved for the design of a directly-driven PM wind generator. In the paper, the characteristics of a 1.5MW permanent magnet generator directly driven by wind turbine with low speed, large poles and big volume are analyzed based on circuit-field coupled finite element method. Under the same volume, the effect of stator's pole number and slot number on the performance of permanent magnet generator is compared and analyzed.
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Received: 26 February 2008
Published: 14 February 2014
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2009, Vol. 24 
