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A 1-D analytical technique for predicting the airgap magnetic field distribution and the time-averaged thrust of long primary double-sided linear induction motor (LP-DSLIM), taking account both fundamental and entry end effect component, has been developed. The analytical results are compared and validated by the predictions from corresponding finite element analyses. The end effect-related attenuating...
This paper presents a 2-D nonlinear time-harmonic finite element model of induction motor for use in the accurate dynamic simulation. In the proposed model, it is not necessary to rotate the rotor, the resistivity of the rotor material is modified in terms of the specified load condition. The nonlinear properties are represented by using the effective magnetization curve. The field-coupled circuit...
A two-dimensional time-stepping finite element analysis of a single-sided linear induction motor (LIM) used in transportation systems is presented in this paper. The analysis model taking into account the transverse edge effect and primary moving is proposed. The thrust and normal force are calculated at different speeds using Maxwellpsilas stress tensor. The simulation results are found to be a good...
A method for calculating the performance of double-sided linear induction motor (DLIM) with short secondary is presented in this paper. The analytical solution of air gap flux density is firstly deduced from one-dimensional (1-D) electromagnetic field equations, then in the equivalent circuit of the motor, to take both longitudinal and transverse end effects into account, the correction coefficients...
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