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논문 기본 정보

자료유형
학술저널
저자정보
Young Sun Kim (Joongbu University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.22 No.1
발행연도
2017.3
수록면
104 - 108 (5page)

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초록· 키워드

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Induction motors have wide applicability in many fields, both in industrial sectors and households, for their advantages of a high efficiency and robust structure. The introduction of power-source-containing harmonics into the induction motor winding lowers its efficiency and increases its temperature, greatly affecting its operation characteristics. In this study, we performed an electromagnetic field analysis using the time-difference finite-element method with the purpose of analyzing the steady-state current characteristics of an induction motor. Additionally, we calculated the steady-state current with a method combining an electromagnetic field equation and a circuit equation. In the electromagnetic field analysis, the nonlinearity was taken into account using the Newton-Raphson method, and a backward time-difference method was employed for the time derivative term. Then, we compared the steady-state current of the induction motor obtained by calculation with the experimentally measured values, thus validating the proposed algorithm. Furthermore, we analyzed the impacts of the shape and material of the rotor conductor bar of the induction motor on the steady-state current of the main winding.

목차

1. Introduction
2. Mathematical Algorithm
3. Experimental Setup
4. Numerical Applications
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-428-002313654