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초고속 자기부상열차용 LSM의 성능향상을 위한 설계 및 특성 해석
홍현석(Hyun-Seok Hong),이호준(Ho-Jun Lee),오세영(Se-Young Oh),유광현(Gwang-Hyeon Ryu),유회총(Huai-Cong Liu),함상환(Sang-Hwan Ham),김솔(Sol Kim),이주(Ju Lee) 대한전기학회 2013 대한전기학회 학술대회 논문집 Vol.2013 No.4
In this paper, improved model of the LSM (Linear Synchronous Motor) for high-speed magnetic levitation train was designed to improve the performance and save material costs. Characteristics of the basic model was analyzed by the finite element method, and based on this information the design parameters of the improved model was chosen. The mover yoke width, stator yoke width, slot opening are the design parameters and was analyzed by the finite element method. Further discussion is made in the direction of the design in order to improve the performance and suppliment the fault between the basic and improved model, by comparing the characteristics.
초고속 자기부상열차용 선형 동기 전동기의 추력 및 부상력 특성 개선을 위한 연구
홍현석(Hyun-Seok Hong),오세영(Se-Young Oh),한정호(Jung-Ho Han),이주(Ju Lee) 한국조명·전기설비학회 2014 조명·전기설비학회논문지 Vol.28 No.6
A linear synchronous motor (Linear Synchronous Motor, under LSM) is suitable for Maglev train. This is 500㎞/h or more for running high-speed propulsion system of high-efficiency, high-output characteristics. Also, as high-speed running, it is needed solution to reduce output ripple component cause bad riding like noise and vibration. So this paper was designed 500km/h-class Maglev train and analyzed characteristics of the LSM base model using finite element analysis method. Further, improved model is designed to improve characteristics of thrust and levitation force by enforcing design parameters analysis and sensitivity analysis. And it was applied skew on field in order to reduce the ripple component still remaining. Skew interpretation of the two-dimensional is proposed and this is verified by carrying out three-dimensional finite element analysis comparing two values. It proved to be valid of skew of the two-dimensional analysis.