Performance Prediction Process of Outer Rotor PMSM Through 3-D Flux Coefficient Using Equivalent 2-D FEA

In this article, we propose an equivalent 2-D finite element analysis (FEA) process considering the 3-D flux of an outer rotor permanent magnet synchronous motor (PMSM). In motor, 3-D flux such as axial leakage flux (ALF) and overhang fringing flux (OFF) are influenced based on design variables. 3-D...

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Bibliographic Details
Published in2024 IEEE 21st Biennial Conference on Electromagnetic Field Computation (CEFC) pp. 1 - 2
Main Authors Sung, Moo-Hyun, Cha, Kyoung-Soo, Jung, Young-Hoon, Sim, Jae-Han, Kwon, Soon-O, Lim, Myung-Seop
Format Conference Proceeding
LanguageEnglish
Published IEEE 02.06.2024
Subjects
3-D flux
axial leakage flux (ALF)
Electromagnetic fields
Equivalent method
Finite element analysis
overhang fringing flux (OFF)
Permanent magnet motors
Rotors
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Summary:In this article, we propose an equivalent 2-D finite element analysis (FEA) process considering the 3-D flux of an outer rotor permanent magnet synchronous motor (PMSM). In motor, 3-D flux such as axial leakage flux (ALF) and overhang fringing flux (OFF) are influenced based on design variables. 3-D FEA is required to consider the components of 3-D flux. However, 3-D FEA is inefficient to use during the design process because of time-consuming. Therefore, we propose an equivalent FEA that considers 3-D flux. First, the effects of ALF and OFF according to design variables such as rotor inner and outer diameter, stack length, and overhang length. Second, the 3-D flux is converted into coefficient. Finally, it is applied to 2-D FEA. Using the proposed process, motor performance considering 3-D flux can be quickly predicted. The proposed performance prediction process is verified through simulation and experiment.
DOI:10.1109/CEFC61729.2024.10585809