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전자기와 열전달을 고려한 고효율 모터의 다분야 위상최적설계
왕세명(Semyung Wang),심호경(Hokyoung Shim),문희곤(Heegon Moon),조양희(Yanghee Cho),김명균(MyungKyun Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
This paper presents a new approach regarding thermal characteristics associated with a design of the high efficiency motor. Electrical conduction materials, such as coil and aluminum embedded in the core generate high heat exerting negative influence on both lifetime and performance of machine. Thus, it is necessary to design high efficiency motor considering heat transfer in order to improve motor performance and to be protected against overheating. In this paper, firstly, numerical analysis of electromagnetic field is carried out by the nonlinear transient finite element method (FEM). Secondly, the linear static FEA of magneto-thermal field is implemented by applying source current computed by the nonlinear transient analysis. FE results are validated in terms of electromagnetics and heat transfer by experiments. And then, the pseudo-transient topology optimization using a multi-objective function is performed. The proposed method is applied to a squirrel cage single-phase induction motor of the scroll compressor.