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논문 기본 정보

자료유형
학술저널
저자정보
Tae-Uk Jung (Kyungnam University) Jun-Seok Cho (LG Electronics Inc.)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.16 No.4
발행연도
2011.12
수록면
374 - 378 (5page)

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초록· 키워드

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Axial Field Permanent Magnet (AFPM) generators are widely applied for the small wind turbine because of the higher power density per unit weight than that of the conventional radial field generator. It is caused by the disc shaped rotor and the stator structures. The generally used AFPM generator, AFER-NS generator, is composed of the two side’s external rotors and non-slotted stator without stator core. However, the output voltage and the output power are limited by the large reluctance by the long air-gap flux paths. In this paper, the design study of AFIR-S generator having double side’s slotted stator core is accomplished to improve the output generation characteristics. The electromagnetic design analysis and the design improvement of the suggested AFIR-S generator are studied. Firstly, the electromagnetic design analysis was done to increase the power density. Secondly, the design optimizations of the rotor pole-arc ratio of permanent magnet are accomplished to increase the output power and to reduce the cogging torque. Finally, the output performances of AFER-NS and AFIR-S generator are compared with each other. For this study, 3D FEA is applied for the design analysis because of three dimensional electromagnetic structures.

목차

1. Introduction
2. Design Analysis of the AFIR-S Generator
3. Design Analysis and Design Comparison
4. Conclusion
Acknowledgement
References

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UCI(KEPA) : I410-ECN-0101-2013-428-001369009