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Early Detection of a Squirrel-cage Bar Breakage through Harmonics of Stator Currents and of Magnetic Field in the Motor Neighboring

This paper deals with the early detection of a rotor bar breakage through harmonics of the stator current and of the magnetic field in an induction motor proximity. The investigations are based on the 3D finite element model of a squirrel-cage induction motor.

Author(s):

Alexandru-Ionel CONSTANTIN    
POLITEHNICA University of Bucharest Doctoral School of Electrical Engineering
Romania

Virgiliu FIRETEANU    
POLITEHNICA University of Bucharest EPM_NM Lab.
Romania