In this paper a general methodology previously developed for the analysis of electromagnetic systems with moving conductors is applied to the study of the transient phenomena in a tubular induction motor. The methodology is based on an integral formulation of Maxwell equations and leads to an equivalent network whose parameters vary with the relative position of the moving parts of the system. This methodology, when applied to axisymmetric systems allows us to obtain accurate results in short time because of the availability of quick formulas for the evaluation of the parameters of the electric equivalent network. Some of the results obtained by applying the proposed methodology are compared with experimental data taken from a prototype of a linear tubular induction motor.
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