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Abstract
Electric drives increasingly use asynchronous motors because of their robustness, their specific power and their cost. Their maintenance and diagnosis therefore become an economic issue.Industrial requirements in terms of maintenance direct research towards a diagnosis using electromagnetic quantities such as flux, current, voltage, and more particularly the stator current which only requires a current sensor which gives an image on the stator phase current, on the other hand this technique makes it possible to improve the reliability of the motor and to increase its service life. It is important to detect early the faults that can appear in these machines and therefore to develop operation monitoring methods has made it possible to analyze the impact of faults on the behavior of the motor. It has made it possible to obtain specific signatures for electrical failures and to predict their evolution. we studied the short-circuit fault in the three-phase asynchronous motor which is the spectral analysis of the stator currents by making a modeling by the finite element method using the FLUX 2D software.
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