A Novel Variable Speed Constant Frequency Doubly Fed Salient Pole Synchronous Machine

2004, Volume 6, Issue 12

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Strategic Study of CAE >> 2004, Volume 6, Issue 12

A Novel Variable Speed Constant Frequency Doubly Fed Salient Pole Synchronous Machine

Huazhong University of Science and Technology, Wuhan 430074,. China

Funding project：国家“八六三”计划基金资助项目（2001AA512050） Received: 2004-01-20 Revised: 2004-04-03 Available online: 2004-12-20

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Abstract

This paper presents a novel variable speed constant frequency doubly fed salient pole synchronous machine by patent. It deals with basic theory and construction of variable speed salient pole synchronous machines, especially on variable speed constant frequency characteristics. The split salient pole and orthogonal winding are adopted in rotor. The structure of the rotor is simple and tried. Variable frequency converter at rotor supplies the excitation winding. It makes machine to achieve good character of variable speed constant frequency. Experiments show that the patent is correct and practical through prototype test. It will be widely applied to large waterpower and wind power generators.

Keywords

salient pole synchronous machines ; doubly fed variable speed constant frequency ; AC excited

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