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유도전동기 로터바의 손상과 인버터 제어특성에 관한 연구
김근웅(K.W. Kim),권중록(J.L. Kwon),이갑재(KJ. Lee),최경수(K.S. Choi),이호석(H.S. Lee),장서건(S.G. Chang) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
The advantage of the squirrel cage induction motor is the brushless rotor. This advantage for operation and maintenance turns out to be a disadvantage for the detection of the cage rotor bar and endring defects, which means that the detection of cage faults is due to the measurement and analysis of only the stator input signals.<br/> The monitoring task in an inverter drive is complicated mainly because the voltage and current waveforms are nonsinusoidal and the high dv/dt values from fast switching inverterd distort the measurements.<br/> in this paper, we are going to discuss the detection method of broken rotor bar of squirrel cage induction motor by the motor current signal analysis(MCSA).