지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.9 No.1
- 발행연도
- 2014.1
- 수록면
- 106 - 113 (8page)
이용수
초록· 키워드
오류제보하기
Rotor eccentricity is one of the major factors that directly influence the security of horizontal electrical machines, and the critical speed of the shaft has a close relationship with vibration. This paper deals with the influence of thermal expansion on the rotor eccentricity and critical speed in large dry submersible motors. The dynamic eccentricity (where the rotor is still turning around the stator bore centre but not its own centre) and critical speed of a three-phase squirrelcage submersible induction motor are calculated via hybrid analytical/finite element method. Then the influence of thermal expansion is investigated by simulation. It is predicted from the study that the thermal expansion of the rotor and stator gives rise to a significant air-gap length decrement and an inconspicuous slower critical speed. The results show that the thermal expansion should be considered as an impact factor when designing the air gap length.
목차
Abstract
1. Introduction
2. Calculation of eccentricity and critical speed
3. Simulation results
4. Conclusions
References
참고문헌 (18)
참고문헌 신청
1. [학술지(정기간행물)] - J. Faiz / 2008 / Finite-element trainsient analysis of induction motors under mixed eccenrticity fault / IEEE Transactions on Magnetics 44 (1) : 66 ~ 74
2. [학술지(정기간행물)] - G. M. joksimovic / 2000 / Dynamic simulation of dynamic eccentricity in induction machines-winding function approach / IEEE Transactions on Energy Conversion 15 (2) : 143 ~ 148
3. [학술대회논문] - D. Basak / 2006 / Fault diagnosis and condition monitoring of electrical machines-A review / IEEE Internatinal Conference on Industrial Technology : 3061 ~ 3066
4. [학술지(정기간행물)] - D. G. Dorrell / 2011 / Sources and characteristics of unbalanced magnetic pull in three-phase cage induction motors with axial-varying rotor eccentricity / IEEE Transactions on industry Applicatinos 47 (1) : 12 ~ 24
5. [학술지(정기간행물)] - Charles F. Smith / 1921 / The losses in induction motors arising from eccentricity of the rotor / Journal of the Institution of Electrical Engineers 48 (212) : 546 ~ 569
2. [학술지(정기간행물)] - G. M. joksimovic / 2000 / Dynamic simulation of dynamic eccentricity in induction machines-winding function approach / IEEE Transactions on Energy Conversion 15 (2) : 143 ~ 148
3. [학술대회논문] - D. Basak / 2006 / Fault diagnosis and condition monitoring of electrical machines-A review / IEEE Internatinal Conference on Industrial Technology : 3061 ~ 3066
4. [학술지(정기간행물)] - D. G. Dorrell / 2011 / Sources and characteristics of unbalanced magnetic pull in three-phase cage induction motors with axial-varying rotor eccentricity / IEEE Transactions on industry Applicatinos 47 (1) : 12 ~ 24
5. [학술지(정기간행물)] - Charles F. Smith / 1921 / The losses in induction motors arising from eccentricity of the rotor / Journal of the Institution of Electrical Engineers 48 (212) : 546 ~ 569
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UCI(KEPA) : I410-ECN-0101-2015-500-001072328