Low order PWM inverter harmonics contributions to the inverter-fed induction machine fault diagnosis

被引：100

作者：

Akin, Bilal ^{[1
]}

Orguner, Urnut ^{[2
]}

Toliyat, Hamid A. ^{[1
]}

Rayner, Mark ^{[3
]}

机构：

[1] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA

[2] Middle E Tech Univ, Dept Elect & Elect Engn, TR-06531 Ankara, Turkey

[3] Toshiba Ind Corp, Houston, TX 77041 USA

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2008年 / 55卷 / 02期

关键词：

bearing faults; condition monitoring; current signature analysis; fault diagnosis; inverter harmonics; spectral analysis;

D O I：

10.1109/TIE.2007.911954

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, the effects of inverter harmonies on motor current fault signatures are studied in detail. It is theoretically and experimentally shown that the fault signatures caused by the inverter harmonies are similar and comparable to those generated by the fundamental harmonic on the line current. Theoretically-derived extended relations including bearing fault, eccentricity, and broken rotor bar relations are found to match experimental results. Furthermore, it is observed and reported that the asymmetries on the rotor caused by broken rotor bars increase the amplitude of even harmonies. To confirm these claims, bearing, eccentricity, and broken rotor bar faults are tested and the line current spectrum of each faulty motor is compared with the healthy one. The proposed additional fault data are expected to contribute positively to the inverter-fed motor fault decision-making algorithms.

引用

页码：610 / 619

页数：10

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