Performance Analysis of Axial-Flux Induction Motor with Skewed Rotor

Fatma Keskin Arabul, Ibrahim Senol and Yasemin Oner
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Fatma Keskin Arabul: Department of Electrical Engineering, Yildiz Technical University, 34220 Istanbul, Turkey
Ibrahim Senol: Department of Electrical Engineering, Yildiz Technical University, 34220 Istanbul, Turkey
Yasemin Oner: Department of Electrical Engineering, Yildiz Technical University, 34220 Istanbul, Turkey

Energies, 2020, vol. 13, issue 19, 1-15

Abstract: In recent years, with developing technology in the field of electrical machines, more efficient and high power density electric motors have been produced. The use of high energy efficiency motors gains importance due to the increase in global energy demand. The main purpose of this study was to design an Axial Flux Induction Motor (AFIM) with the same efficiency class as the Radial Flux Induction Motor (RFIM) in premium efficiency (IE3) class which is used commonly in industrial applications. Various AFIMs are designed with different rotor slot numbers and performance analyses as efficiency and torque ripple changes are investigated. It is known that torque ripple is one of the key parameters in electrical machine design which should be kept as low as possible without decreasing efficiency and torque. Accordingly, AFIMs’ rotor slots are skewed considering the stator and rotor slot numbers. The use of a Soft Magnetic Composites (SMC) material in design is also investigated. As a result of the analyses, many premium efficiency classes for AFIMs are obtained. In addition, using SMC material and skewing the rotor slots provides that torque ripples be reduced.

Keywords: axial flux induction motor; finite element analysis; performance evaluation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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