Abstract
The paper introduces a new approach for induction motor stator’s windings inter-turns short circuits diagnosis, based on the computer-aided monitoring of the stator Instantaneous Currents Space Phasor (ICSP). Between the stator’s windings short circuits severities and the shape of the permanent geometrical loci of ICSP, as it appears in the polar coordinates modulus-phase, are identified the appropriate correspondences which are used as on-line induction motor fault identifiers. It is shown the new short circuit identifier is insensitive to induction motor load variations. The investigative studies of this new stator windings inter-turns fault identifier are made on a simulated induction motor in Simplorer programming medium.
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