An FEM-Based Auxiliary Slot Design for an 8-Pole/12-Slot SPM Servo Motor Considering Saturation of Stator Tooth Coronas

Hua Zhang; Guang You Li; Chang Feng Li

doi:10.4028/www.scientific.net/AMR.694-697.3155

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 694-697An FEM-Based Auxiliary Slot Design for an...

An FEM-Based Auxiliary Slot Design for an 8-Pole/12-Slot SPM Servo Motor Considering Saturation of Stator Tooth Coronas

Abstract:

This paper studies the auxiliary slot design technique for cogging torque minimization basing on an 8-pole/12-slot SPM servo motor. When the stator tooth coronas are unsaturated, the notching guidance given by analytical method can be testified effective in cutting down the cogging torque by FEM. But when the stator tooth coronas are saturated, the notching guidance is not effective any more. This phenomenon indicates that the saturation of stator tooth coronas has a significant impact on cogging torque. Thus, in auxiliary slot design, saturation effect should be considered; otherwise, counterproductive effects would occur.

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Periodical:

Advanced Materials Research (Volumes 694-697)

Pages:

3155-3158

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.694-697.3155

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Online since:

May 2013

Authors:

Hua Zhang, Guang You Li, Chang Feng Li

Keywords:

Auxiliary Slots, Cogging Torque, Parametric Design, Saturation, Tooth Corona

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References

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