On-Line Broken-Bar Fault Diagnosis System of Induction Motor

被引：2
|
作者：
张荣
王秀和
机构：
[1] China
[2] Jinan 250061
[3] School of Electrical Engineering Shandong University
来源：
Transactions of Tianjin University | 2008年 / 02期
关键词：
induction motor; fault diagnosis; finite element method; broken-bar;
D O I：
暂无
中图分类号：
TH165.3 [];
学科分类号：
摘要：
Induction motor faults including mechanical and electrical faults are reviewed.The fault diagnosis methods are summarized.To analyze the influence of stator current,torque,speed and rotor current on faulted bars,a time-stepping transient finite element(FE)model of induction motor with bars faulted is created in this paper.With wavelet package analysis method and FFT method, the simulation result of finite element is analyzed.Based on the simulation analysis,the on-line fault diagnosis system of induction motor with bars faulted is developed.With the speed of broken bars motor changed from 1 478 r/min to 1 445 r/min,the FFT power spectra and the wavelet package decoupling factors are given.The comparison result shows that the on-line diagnosis system can detect broken-bar fault efficiently.
引用
收藏
页码：144 / 147
页数：4
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