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.
Di Tommaso, A.O., Filippetti, F., Gritli, Y., Miceli, R., Spataro, C. (2013). Double Squirrel Cage Induction Motors: a New Approach to Detect Rotor Bar Failures. In Proceedings of 19th IMEKO TC4 Symposium Measurements of Electrical Quantities (pp.671-676). BARCELONA : International Measurement Confederation (IMEKO).
Double Squirrel Cage Induction Motors: a New Approach to Detect Rotor Bar Failures
DI TOMMASO, Antonino Oscar;MICELI, Rosario;SPATARO, Ciro
2013-01-01
Abstract
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.
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