Comprehensive Comparison of a High-Speed Permanent Magnet Synchronous Motor Considering Rotor Length–Diameter Ratio

Wentao Gao, Yufeng Zhang, Guanghui Du, Tao Pu and Niumei Li
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Wentao Gao: School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
Yufeng Zhang: School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
Guanghui Du: School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
Tao Pu: School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
Niumei Li: School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

Energies, 2022, vol. 15, issue 14, 1-21

Abstract: For high-speed permanent magnet machines (HSPMMs), many design schemes of rotor length–diameter ratios can satisfy the constraints of multiple physical fields during the motor design period. The rotor length–diameter ratio greatly impacts the comprehensive performances of multiple physical fields. However, these analyses are missing in the existing literature. Therefore, this paper focuses on the influence of the rotor length–diameter ratio on comprehensive performances. Firstly, finite element models (FEM) of multiple physical fields are built by ANSYS Workbench platform and Motor-CAD software. Then, the comprehensive performances of multiple physical fields are comparatively analyzed. Finally, the designed HSPMM is implemented, based on one prototype of 60 kW, 30,000 rpm to verify the results of comparative analysis. Based on the comparative analysis above, the influent laws of rotor length–diameter ratios on comprehensive performances of multiple physical fields are discussed and summarized, which can be used as a reference for the rotor structural design of HSPMMs.

Keywords: high-speed permanent magnet machines; comprehensive characteristics; comparative; rotor length–diameter ratio (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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