Prof. Myung-Seop Lim

Performance Prediction Process of Outer Rotor PMSM Through 3-D Flux Coefficient Using Equivalent 2-D FEA
2024-09-02 12:37:51 조회수27
Date of conference: 2024.06
Conference: 2024 IEEE 21st Biennial Conference on Electromagnetic Field Computation (CEFC)
Authors: Moo-Hyun Sung, Kyoung-Soo Cha, Young-Hoon Jung, Jae-Han Sim, Soon-O Kwon, Myung-Seop Lim
DOI:

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. 

     
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