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논문 기본 정보

자료유형
학술저널
저자정보
Jangho Seo (Kyungpook National University) Jung-Moo Seo (Korea Electronics Technology Institute)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.21 No.1
발행연도
2016.3
수록면
94 - 101 (8page)

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초록· 키워드

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This paper shows a new magnetic field analysis of an interior permanent magnet (IPM) machines with an axial overhang structure wherein the rotor axial length exceeds that of the stator. The rotor overhang used to increase torque density of the radial flux machine is difficult to analyze because of extra consideration of axial direction, and thus it is general for machine designer to take 3-D finite element analysis (FEA) capable of considering both radial and axial complicated geometry in the machine. However, it requires too much computing time for preliminary design especially for optimization process. Therefore, in this paper a 2-D analytic method using a lumped magnetic circuit model (LMCM) is proposed to overcome the problem. For the analysis of overhang effect, the magnetic circuit is separated and solved from overhang and non-overhang regions respectively. For the validation of proposed concept, 3-D finite element analysis (FEA) is performed. From the analysis results, it is shown that our new proposed method presents good performance in terms of calculating electromotive force (EMF) and torque within a short time. Therefore, the proposed model can be useful in design of IPM with an overhang structure.

목차

1. Introduction
2. General Analysis Models of IPM
3. Proposed Method
4. Simulation Results and Discussion
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-428-002656167