Faults diagnosis of three-phase induction motors using envelope analysis.

被引：0
|
作者：
Jaksch, I [1 ]
机构：
[1] Tech Univ Liberec, Fac Mechatron, Liberec 46117, Czech Republic
来源：
IEEE INTERNATIONAL SYMPOSIUM ON DIAGNOSTICS FOR ELECTRIC MACHINES, POWER ELECTRONICS AND DRIVES, PROCEEDINGS | 2003年
关键词：
induction motors; fault classification; Park transform; Hilbert transform; envelope analysis;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
An induction motor is an electromechanical device and mutual influence leads to signal modulation. In the paper the envelope analysis for the dynamic faults using Hilbert transform and Park transform are introduced together with the analysis of static stator faults. Conversion coefficients for real faults to stator to Park's vector magnitude are introduced. The assessment of motor state and fault factors are based on relative factors by means of modulation indexes in, associated with the fault frequencies and by means of the relative stator fault coefficient k(P). The theoretical results were practically verified on motors with purposefully made rotor and stator faults and compared with MATLAB model results.
引用
收藏
页码：289 / 293
页数：5
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