System Fault Analysis of Inverter Fed Induction Motor drives

인버터 구동 유도전동기의 계통사고 해석

Recently, operating equipment with the high quality is necessary as technology is developing rapidly and equipment becomes more accurate. Therefore, the importance of diagnosis has been rising in modem industries. This paper presents that the induction motor is driven by invertor. We were using EMTP (Electromagnetic Transient Program) to study different characteristics of induction motor caused by faults; single phasing and the short circuit fault. After having the fault occurred in feeder cable, motor current, flux and torque waveform are analyzed