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2013-09-03
A Modified Model of Squirrel Cage Induction Machine Under General Rotor Misalignment Fault
By
Progress In Electromagnetics Research B, Vol. 54, 185-201, 2013
Abstract
A great deal of researches have so far been conducted on the analysis of eccentricity in induction machines. However, they mostly consider radial non-uniformity and neglect nonuniformity in the axial direction, but in practice, the axial non-uniformity due to rotor misalignment faults is quite common. This paper presents a modified model of a three-phase squirrel cage induction machine under different rotor misalignment conditions. For this purpose, general expressions for air gap and mean radius of induction machine, considering axial non-uniformity, have been developed. The proposed model is able to calculate the time varying inductances versus rotor angle for three-phase squirrel cage induction machines under general rotor misalignment, including static, dynamic and mixed rotor misalignment in the frame of a single program. Simulation results were verified by the experimental ones.
Citation
Hamidreza Akbari, "A Modified Model of Squirrel Cage Induction Machine Under General Rotor Misalignment Fault," Progress In Electromagnetics Research B, Vol. 54, 185-201, 2013.
doi:10.2528/PIERB13071804
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