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권병일(Kwon Byung-Il),박승찬(Park Seung-Chan),김병택(Kim Byung-Taek),곽승용(Kwak Seung-Yong),이기호(Lee Gee-Ho),윤종학(Yoon Jong-Hack),김근웅(Kim Geun-Woong),이상우(Lee Sang-Woo) 한국철도학회 1998 한국철도학회 학술발표대회논문집 Vol.- No.-
Three phase squirrel cage induction motor is generally adopted as a traction motor to drive high speed trains because of its robustness for surrounding environment and easy maintenance. In the design of traction motor, reduction of weight is very important in order to reduce kinetic energy to accelerate the vehicle. Therefore, in this paper, design variables of a preliminary designed traction motor to minimize its weight is determined using the optimization technique. Before the optimization process, rotor slot number is determined to reduce vibration and noise by the analysis of magnetic force. As a result, a design example to reduce weight by 12% than that of the preliminary designed motor is presented.