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《Application of Wavelet Packet Analysis in Fault Diagnosis of Rotor Bars Breaking of Motors》
LI Tao;WANG Xin
2010, 30 (2):
114-117.
DOI: 10.3969/j.issn.1006-1355.2010.02.114
The common faults of squirrelcage induction motor and the importance of fault diagnosis are introduced. The electrical and mechanical features of signals are extracted by the modified wavelet packet algorithm. A fault diagnosis method based on wavelet packet analysis of frequencyband energy is proposed. The experiment shows that with this method all the broken bars faults of the rotor can be detected rapidly with high accuracy. This method has high feasibility and extensive applicability.
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