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Rotor Faults Detection in Variable Frequency Motor Based on MUSIC Algorithm

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Abstract:

When the variable frequency motor rotor failed, the harmonic components of stator current intensified, which makes the extraction of fault characteristics more difficult. To solve the problem, on-line detection way of rotor faults based on the MUSIC (Multiple Signal Classification) algorithm is presented, which the current signal of inverter DC side is acquired and processed by the algorithm to obtain the fault feature component. The experimental results show the method is simple and effective, which improve the reliability of the rotor fault diagnosis.

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Periodical:

Advanced Materials Research (Volume 529)

Pages:

473-477

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.529.473

Citation:

Cite this paper

Online since:

June 2012

Authors:

Fen Liu, Wu Nong Xu, Wen Biao Hu

Keywords:

Fault Detection, Music Algorithm, Rotor, Variable Frequency Motor

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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References

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