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Analytical Study of Magnetic Noise in Induction Motors Caused by Rotor Eccentricity


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Abstract


This paper presents an analytical approach to modelling radial magnetic force acting on stator surface of induction motors, this model covering the most important causes of magnetic noise such as saturation, eccentricity, slots and winding distribution. The study of magnetic noise due to eccentricity is given, which demonstrate the adverse effect of this phenomena, often occurring due to production.
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Keywords


Magnetic Noise; Eccentricity; Permeance; Magnetomotive Force; Radial Force; Modes; Natural Frequency

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References


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