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

Antonino Oscar Di Tommaso, F. Filippetti, Y. Gritli, Rosario Miceli, Ciro Spataro

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.

Keywords

condition monitoring, Double cage rotor, Fault diagnostics

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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