Performance improvement of the hybrid switch reluctance motor by notching method

Document Type : Article

Authors

1 Department of Electrical and Computer Engineering, Qom University of Technology, Qom, Iran.

2 Department of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran & Mazandaran Regional Electric Company, Sari, Iran.

Abstract

Hybrid switch reluctance motors are the family of switch reluctance motors (SRMs) that attenuate the magnetic saturation and increase the air gap magnetic flux by exploiting permanent magnets. The permanent magnet auxiliary air gap flux can affect the average torque and ripple. Commonly, the torque ripples reduction comes with the average torque drop. In this paper, the torque ripple reduction and average torque improvement are achieved for a 6/10 pole hybrid switch reluctance motor by inserting two symmetrical notches on its rotor. Also, the lengths of magnet and rectangular notches are optimized by the finite element method and sensitivity analysis. The comparison of the optimized design with the initial one carried out by finite element proves the efficiency of the proposed model.

Keywords

References

References:
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Scientia Iranica
Volume 31, Issue 10
Transactions on Computer Science & Engineering and Electrical Engineering (D)
May and June 2024
Pages 790-797

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