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A Novel Equivalent Circuit Model of Linear Induction Motor Based on Finite Element Analysis and Its Coupling With External Circuits

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2 Author(s)
D. -K. Kim ; KETI, Gwangju ; B. -I. Kwon

This paper presents a fast and accurate d-q axis equivalent circuit model of linear induction motor (LIM) for drive system simulations. The developed model was built based on nonlinear transient finite element analysis to obtain the asymmetric d-q equivalent constants for static end effect and the distorted air gap distribution by velocity for dynamic end effect. The model was implemented in a vector control environment through the creation of a d-axis magnetizing inductance to account for the reduction of the magnetizing inductance due to eddy current. Since the d-q axis equivalent circuit model of LIM considering both end effects has not been exactly completed, the significance of the work is that it provides an accurate d-q axis equivalent circuit model of LIM for utilization in simulation environments

Published in:

IEEE Transactions on Magnetics  (Volume:42 ,  Issue: 10 )