A novel detection method of motor broken rotor bars based on wavelet ridge

被引：94

作者：

Zhang, ZP ^{[1
]}

Ren, Z

Huang, WY

机构：

[1] S China Univ Technol, Elect Power Coll, Guangzhou 510640, Peoples R China

[2] Guangdong Power Test & Res Inst, Guangzhou 510600, Peoples R China

[3] S China Univ Technol, Dept Applicat Math, Guangzhou 510640, Peoples R China

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2003年 / 18卷 / 03期

基金：

中国国家自然科学基金;

关键词：

detection method; motor broken rotor bars; wavelet ridge;

D O I：

10.1109/TEC.2003.815851

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Detection of cage motor broken rotor bars has long been an important but difficult job in the detection area of motor faults. The characteristic frequency component of faulted rotor (CFCFR) is very close to the power frequency component but by far less in amplitude, which brings about great difficulty for accurate detection. A new detection method based on wavelet ridge is presented in this paper. Aiming at the motor's starting period during which the motor accelerates progressively and CFCFR approaches the power frequency gradually in frequency spectrum, the wavelet ridge-based method is adopted to analyze this transient procedure and the CFCFR is extracted. The influence of power frequency can be effectively eliminated, and detection accuracy can be greatly improved by using the approach presented in this paper. Also, this is indeed a novel but excellent approach for the detection domain of cage induction motor broken rotor bars.

引用

页码：417 / 423

页数：7

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