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논문 기본 정보

자료유형
학술저널
저자정보
Guohai Liu (Jiangsu University) Yu Zeng (Jiangsu University) Wenxiang Zhao (Jiangsu University) Qian Chen (Jiangsu University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.21 No.4
발행연도
2016.12
수록면
561 - 569 (9page)

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초록· 키워드

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Although pretty methods have been proposed to reduce torque ripple, they generally suffer from the decreased torque density. This paper will investigate the spoke-type interior permanent magnet (IPM) machine with shaping methods, including the sinusoidal (SIN), the inverse cosine (ICS), the sinusoidal with third harmonic (SIN+3rd), and the inverse cosine with third harmonic (ICS+3rd). In order to obtain low torque ripple and high torque density, the shaping method applied in rotor and stator at the same time, termed as the dualshaping method, is proposed. This method is analytically derived and further confirmed by finite element method (FEM). It turns out that the ICS and ICS+3rd shaping methods are more suitable for outer rotors, while the SIN and the SIN+3rd shaping method should be used in inner stators. The original machine, the singular shaped machines and the dual-shaped machines on electromagnetic performances are compared for evaluation. The results verify that the dual-shaping method can improve torque density, whilst reducing torque ripple.

목차

1. Introduction
2. Spoke-Type IPM Machines with Different Shaping Methods
3. Various Shapes and Driving Performance Comparison
4. Conclusion
References

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