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CALCULATION OF TRANSIENT ELECTROMAGNETIC FORCES IN AN AXISYMMETRICAL ELECTROMAGNET WITH CONDUCTIVE SOLID PARTS

N. Sadowski (Laboratoire d'Electrotechnique et d'Electronique Industrielle URA CNRS N.847/ENSEEIHT/INPT 2, Rue Camichel 31071‐Toulouse Cedex FRANCE Dept. of Electrical Engineering/UFSC/ Florianopolis‐SC‐Brazil, currently in the LEEI Toulouse‐France)
Y. Lefevre (Laboratoire d'Electrotechnique et d'Electronique Industrielle URA CNRS N.847/ENSEEIHT/INPT 2, Rue Camichel 31071‐Toulouse Cedex FRANCE)
M. Lajoie‐Mazenc (Laboratoire d'Electrotechnique et d'Electronique Industrielle URA CNRS N.847/ENSEEIHT/INPT 2, Rue Camichel 31071‐Toulouse Cedex FRANCE)
J.P.A. Bastos (Laboratoire d'Electrotechnique et d'Electronique Industrielle URA CNRS N.847/ENSEEIHT/INPT 2, Rue Camichel 31071‐Toulouse Cedex FRANCE Dept. of Electrical Engineering/UFSC/ Florianopolis‐SC‐Brazil)

Abstract

The paper describes the analysis and the calculation of transient response of a voltage fed electromagnet. This calculation is based on the simultaneous solution of the magnetic field equations and the electrical circuit equations. In the modelling of the magnetic fields, eddy currents in solid conductive parts and saturation of magnetic parts are taken into account. This modelling uses Finite Element Method for the calculation of magnetic fields and forces with special quadrilateral elements. Experimental and simulation results for an axisymmetrical electromagnet are presented and compared.

Citation

Sadowski, N., Lefevre, Y., Lajoie‐Mazenc, M. and Bastos, J.P.A. (1992), "CALCULATION OF TRANSIENT ELECTROMAGNETIC FORCES IN AN AXISYMMETRICAL ELECTROMAGNET WITH CONDUCTIVE SOLID PARTS", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 11 No. 1, pp. 173-176. https://doi.org/10.1108/eb051780

Publisher

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MCB UP Ltd

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