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Fully pitched-winding switched-reluctance and stepping-motor arrangements

 

作者: B.C.Mecrow,  

 

期刊: IEE Proceedings B (Electric Power Applications)  (IET Available online 1993)
卷期: Volume 140, issue 1  

页码: 61-70

 

年代: 1993

 

DOI:10.1049/ip-b.1993.0008

 

出版商: IEE

 

数据来源: IET

 

摘要:

The paper introduces the concept of using a fully pitched winding in a switched-reluctance or stepping motor. It is demonstrated that such a winding configuration results in more efficient use of the electric circuit, with each phase contributing to torque for more than half of the cycle of rotation. As a result, for many machine configurations significantly greater torques are predicted for a given frame size. In contrast to the short-pitched windings conventionally employed in such machines, the new configuration is shown to derive virtually all its torque from the rate of change of mutual inductance between phases. A number of different idealised current-excitation patterns are investigated, using both unipolar and bipolar excitation, and the mean output torques produced by the various configurations are compared.

 

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