Taking advantage of the induction motor inherent eccentricity aiming to discriminate the broken bar fault from load oscillations

Abstract

It has been noted that, in the induction motor the mechanical load oscillations can produce stator current spectrum harmonics, similar to the ones of the broken bar fault. As a consequence, these two different conditions have to be reliably distinguished. This paper proposes a new method aiming to this direction. More specifically, it is proposed to monitor… (More)

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