Wavelet and PDD as fault detection techniques

  • J. Cusido*
  • , L. Romeral
  • , J. A. Ortega
  • , A. Garcia
  • , J. R. Riba
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Motor current signature analysis has been successfully used for fault diagnosis in induction machines. However, thismethoddoes not always achieve good results with variable load torque. This paper proposes a different signal processing method, which combines wavelet and power spectral density techniques giving the power detail density as a fault factor. The method shows good theoretical and experimental results.

Original languageEnglish
Pages (from-to)915-924
Number of pages10
JournalElectric Power Systems Research
Volume80
Issue number8
DOIs
Publication statusPublished - Aug 2010
Externally publishedYes

Keywords

  • Current analysis
  • Fault detection
  • Rotating machinery
  • Signal processing
  • Wavelet transform

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