Online fault diagnosis of motor using electric signatures

被引：0
|
作者：
Kim, Lark-Kyo
Lim, Jung-Hwan
机构：
来源：
Transactions of the Korean Institute of Electrical Engineers | 2010年 / 59卷 / 10期
关键词：
Failure analysis - Electric fault currents - Fault detection - Fast Fourier transforms - Stators;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
It is widely known that ESA(Electric Signature Analysis) method is very useful one for fault diagnosis of an induction motor. Online fault diagnosis system of induction motors using LabVEEW is proposed to detect the fault of broken rotor bars and shorted turns in stator. This system is not model-based system of induction motor but LabVEEW-based fault diagnosis system using FFT spectrum of stator current in faulty motor without estimating of motor parameters. FFT of stator current in faulty induction motor is measured and compared with various reference fault data in data base to diagnose the fault. This paper is focused on to predict and diagnose of the health state of induction motors in steady state. Also, it can be given to motor operator and maintenance team in order to enhance an availability and maintainability of induction motors. Experimental results are demonstrated that the proposed system is very useful to diagnose the fault and to implement the predictive maintenance of induction motors.
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页码：1882 / 1888
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