Abstract
The paper considers an approach to calculate levitation force produced by traction linear induction motors for purposes of transporting minerals from an open cast mine. Calculation of the levitation force is not evidence problem. In the artwork emphasis is placed on improving of calculation accuracy of the electromagnetic levitation force. Electromagnetic fields are calculated by finite element analysis for 2D-formulation. The electromagnetic levitation forces are calculated by Lorentz’s force, Maxwell’s tensor. An influence of back iron thickness on electromagnetic force is considered. Results show addictions of friction force dependent on nipping property produced by levitation and attractive forces.
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