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초전도 모터의 상태진단을 위한 데이터 신호 무선처리 기법개발
서경철(K.C. Seo),이민래(M.R. Lee),이준현(J.H. Lee),권영길(Y.K. Kwon),손명환(M.H. Shon) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
This research is to development advanced health(condition) monitoring system of superconducting motors. Development of advanced condition monitoring systems offers the prospect of improved performance, assessment, and operation, simplified design, enhanced safety, and reduced overall cost of advanced and next generation superconducting motor. For advanced and next generation superconducting motor design, the opportunity exists to develop and implement real-time and continuous monitoring systems by integrating wireless and computational technique.<br/> Generally, condition monitoring and control of temperature is essential for managing the superconducting motor components, rotor and structures. In this research, development of advanced monitoring in low temperature and high speed operating environments offers the potential to greatly improve the control of harsh environments. In conventional method, slip rings have been used to acquire data from these sensors. However, the increase of sensors leads to vibration of the rotation axis and noise signals due to kinematics contact. In this study, the wireless data acquisition technique was employed to develop more stable monitoring system adequate for high speed rotating system.
3차원 자장 해석을 통한 1㎿ 급 고온초전도 모터의 특성 해석
백승규(S. K. Baik),손명환(M. H. Sohn),이재득(J. D. Lee),이언용(E. Y. Lee),권영길(Y. K. Kwon),문태선(T. S. Moon),박희주(H. J. Park),김영춘(Y. C. Kim),박관수(G. S. Park) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Different from the conventional motor, the superconducting motor has so large air-gap that the actual parameters such as excitation voltage have considerable difference from the values obtained from 2-dimensional electromagnetic analysis. This paper introduces 3-dimensional EMCN(Equivalent Magnetic Circuit Network) method or FLUX - 3D FEM(Finite Element Method) software to reduce the error originated from the 2-dimensional electromagnetic analysis for the development of a 1 ㎿ class high-temperature superconducting motor.