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논문 기본 정보

자료유형
학술저널
저자정보
Shengdao Zhu (Jiangsu University) Jinghua Ji (Jiangsu University) Wenxiang Zhao (Jiangsu University) Junqiang Zheng (Jiangsu University) Yanxin Mao (Jiangsu University) Guohai Liu (Jiangsu University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.24 No.4
발행연도
2019.12
수록면
657 - 667 (11page)
DOI
10.4283/JMAG.2019.24.4.657

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초록· 키워드

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This paper presents a new stator topology of fractional-slot concentrated-windings permanent-magnet (FSCWPM) machine in order to reduce the electromagnetic vibration. First of all, the space orders and corresponding frequencies of the lowest order radial force of FSCW-PM machines is studied. A 12-slot/10-pole FSCW-PM machine is used as an example, and its lowest order radial force harmonics are calculated by analytical method and finite element method, respectively. Then, in order to minimize the amplitude of the vibration acceleration, a new stator structure of 12-slot/10-pole machine is designed, by which the amplitude of the lowest order radial force is greatly reduced. Afterwards, the modal and vibration experiments are performed. The result shows that the 2<SUP>nd</SUP> order radial force with 2f0 frequency contributes most to overall vibration. Finally, vibration simulation models of both machines are established, the results show that the machine with unequal teeth design effectively reduce the electromagnetic vibration.

목차

1. Introduction
2. Radial Force Analysis
3. Validation of Radial Force Derivation
4. New Stator Design
5. Electromagnetic Vibration Analysis
6. Experiment Validation
7. Conclusion
References

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