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Diagnosis of Mixed Eccentricity in Asynchronous Machine


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Abstract


The aim of this work is to diagnosis of mixed eccentricity in the squirrel cage asynchronous machine. These machines are well known to be tough, and adapted for high power applications. However, it is not unusual that these machines present some failures from premature aging. The study of the phenomena created on the various sizes in time of the machine by such defect, and more particularly the order harmonics appearing during the failure to define them as identifier such analyses have been lacking. The contribution to this work, the calculation of inductances is derived from the stored magnetic energy in the air gap assuming an infinite permeability iron. Simulation result confirms the validity of proposed method.
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Keywords


Diagnosis; Eccentricity; Asynchronous Machine; Simulations

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