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논문 기본 정보

자료유형
학술저널
저자정보
Qiang Lv (Hefei University of Technology) Xiaohua Bao (Hefei University of Technology) Yigang He (Hefei University of Technology) Yong Fang (Hefei University of Technology) Xiaowei Cheng (Hefei University of Technology)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.9 No.5
발행연도
2014.9
수록면
1,623 - 1,631 (9page)

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초록· 키워드

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Eccentricity faults more or less exist in all rotating electrical machines. This paper establishes a more precise model of dynamic eccentricity (DE) in electrical machines named as curved dynamic eccentricity. It is a kind of axial unequal eccentricity which has not been investigated in detail so far but occurs in large electrical machines. The inductances of a large three-phase squirrel-cage induction machine (SCIM) under different levels of curved DE conditions are evaluated using winding function approach (WFA). These inductances include the stator self and mutual inductances, rotor self and mutual inductances, and mutual inductances between stator phases and rotor loops. A comparison is made between the calculation results under curved DE and the corresponding pure DE conditions. It indicates that the eccentricity condition will be more terrible than the monitored eccentricity based on the conventional pure DE model.

목차

Abstract
1. Introduction
2. Modeling of Curved Dynamic Eccentricity
3. Inductances of a SCIM with Curved DE
4. Calculation of Inductances
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2015-500-002560627