Design, Analysis and Experimental Verification of a Coreless Permanent Magnet Synchronous Motor

Wojciech Szelag (), Cezary Jedryczka, Mariusz Baranski and Milena Kurzawa
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Wojciech Szelag: Faculty of Control, Robotics, and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland
Cezary Jedryczka: Faculty of Control, Robotics, and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland
Mariusz Baranski: Faculty of Control, Robotics, and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland
Milena Kurzawa: Faculty of Control, Robotics, and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland

Energies, 2024, vol. 17, issue 7, 1-17

Abstract: The paper presents a new cost-effective magnetic circuit structure of a coreless permanent magnet synchronous motor (PMSM) with 16 poles and 12 coils for a mass production fan drive unit. 2D and 3D numerical models of the coreless PMSM were developed. Optimisation calculations were carried out using the field model of the machine. Multistage calculations were performed using the professional FEM package, ANSYS Maxwell and the author’s proprietary finite element method (FEM) code. On the basis of the conducted tests and analysis of the obtained results, the “optimal” magnetic circuit structure of the PMSM motor was selected. The prototype motor was subjected to measurement to verify the developed models and the proposed design approach that takes advantage of finite element analysis (FEA).

Keywords: permanent magnet synchronous motor; coreless motor; finite element analysis; optimisation; injection-moulded magnets; verification (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: 2024
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