Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Performance Comparison of Conventional and Segmental Rotor Type Switched Reluctance Motor

  • Jeong, Kwang-Il (Dept. of Mechatronics Engineering, Kyungsung University) ;
  • Xu, Zhenyao (Shenyang Institute of Automation) ;
  • Lee, Dong-Hee (Dept. of Mechatronics Engineering, Kyungsung University) ;
  • Ahn, Jin-Woo (Dept. of Mechatronics Engineering, Kyungsung University)
  • Received : 2016.06.28
  • Accepted : 2017.10.20
  • Published : 2018.05.01
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Abstract

Performance comparisons of switched reluctance motor for cooling fan application are dealt in this paper. Conventional and novel segmental type motors with the same dimension are compared. The conventional 12/8 type is very popular and used widely. The structure of segmental rotor type motor is constructed from a series of discrete segments, and the stator is constructed from two types of stator poles: exciting and auxiliary poles. This type of motor has short flux path and no flux reversal in the stator. The auxiliary poles are not wound by the windings and only provide the flux return path. Compared with conventional SRM, the segmental structure increases electrical utilization of the machine and decreases core losses, which leads to higher efficiency. To verify the segmental structure, finite element method (FEM) is employed to get static and dynamic characteristics of both SRMs. Finally, the prototypes of conventional and segmental SRMs are tested for characteristics comparisons.

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References

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