Magnetic field analysis of induction motor with rotor faults

Rastko Fiˇser (Faculty of Electrical Engineering, Trˇzaˇska 25, Ljubljana, Slovenia)
Stanislav Ferkolj (Faculty of Electrical Engineering, Trˇzaˇska 25, Ljubljana, Slovenia)

Abstract

The paper deals with finite element analysis of magnetic field in the cross‐section of induction motor operating at different load conditions. Magnetic field is calculated for the case of symmetrical rotor cage and for several cases of rotor electrical asymmetry due to broken rotor bars. It is shown the relation between the increasing number of broken bars and unproportional distribution of induced rotor currents, which results as a degradation of steady‐state and dynamic performance of induction motor.

Keywords

Citation

Fiˇser, R. and Ferkolj, S. (1998), "Magnetic field analysis of induction motor with rotor faults", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 17 No. 2, pp. 206-211. https://doi.org/10.1108/03321649810203143

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Publisher

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MCB UP Ltd

Copyright © 1998, MCB UP Limited

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