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Double Squirrel Cage Induction Motors: a New Approach to Detect Rotor Bar Failures

  • Autori: DI TOMMASO, A.; Filippetti, F.; Gritli, Y.; Miceli, R.; Spataro, C.
  • Anno di pubblicazione: 2013
  • Tipologia: Proceedings (TIPOLOGIA NON ATTIVA)
  • OA Link:


The purpose of this paper is to present a diagnosis technique, for rotor broken bar in double cage induction motor, based on a combined use of frequency sliding and wavelet transform analysis, to isolate the contribution of the rotor fault components issued from vibration signals in a single frequency band. The validity of the proposed diagnosis approach is not limited to the analysis under steady-state operating conditions, but also for time-varying conditions where rotor fault components are spread in a wide frequency range.