Magnetic Equivalent Circuit Model Considering Overhang Structure of a Surface-Mounted Permanent-Magnet Motor
- Authors
- Yeo, Han-Kyeol; Lim, Dong-Kuk; Woo, Dong-Kyun; Ro, Jong-Suk; Jung, Hyun-Kyo
- Issue Date
- Mar-2015
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Analytical method; magnetic equivalent circuit (MEC) model; overhang structure; surface-mounted permanent-magnet (SPM) motor
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.51, no.3
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 51
- Number
- 3
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/67511
- DOI
- 10.1109/TMAG.2014.2345558
- ISSN
- 0018-9464
1941-0069
- Abstract
- An overhang structure is used to enhance the air-gap flux density and increase the torque density of a motor. In the preliminary design stage, consideration of the overhang effect is important for a precise prediction of the performance of a motor with overhang and for the selection of the proper overhang length. The 3-D finite-element method (FEM) is essential when analyzing a motor with an overhang structure due to the asymmetry in the axial direction caused by overhang. However, it is computationally expensive and time-consuming, especially during the initial design stage. In this paper, we propose a magnetic equivalent circuit model, which considers the overhang structure of a surface-mounted permanent-magnet motor. With the proposed analytical method, the computational time is significantly reduced in the preliminary design stage. The proposed analytical model is verified with a 3-D FEM analysis.
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Collections - College of ICT Engineering > School of Electrical and Electronics Engineering > 1. Journal Articles
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