Abstract
The knowledge of Broken Rotor Bars (BRB) fault characteristic frequencies and amplitudes is an absolute must in the diagnosis of Squirrel Cage Induction Machine (SCIM). In order to deal with these problems, a numerical simulation model is usually implemented. In fact, some companies use modelling and simulation technique for designing, developing and diagnosis their new product. This paper presents an accurate approach for modeling and simulating the SCIM, under nominal and degraded conditions, including BRB fault. The techniques used here are based on Stator Current envelopes Analysis (SCEA). The performance of the model was assessed by comparing the simulation and experimental results. The results shown in this paper approve the effectiveness of the model, and allow detection of these defects.
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