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Prediction of a Pulsed Electromagnetic Field in a Thin Metal Sheet

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Abstract

This article describes a procedure for predicting the parameters of an electromagnetic field in thin flat metal sheets of magnetic cores, screens, and busbars in a pulse regime. The following parameters have been determined: magnetic intensity and current density, thermal and magnetic energy, temperature, magnetic flux and electric current, resistance and inductance, and acceptable thickness of the sheets. These parameters have been determined with consideration for the physical properties of materials and sizes of the sheets, as well as the amplitude, shape, and duration of a pulse of magnetic intensity on a sheet surface. The procedure that has been developed is based on solving the equations of an electromagnetic field by the operator and frequency methods, as well as using Duhamel’s integral. The obtained equations can be applied, for instance, in the Mathcad environment for engineering predictions of magnetic cores, screens, and busbars in a pulse regime during their automated engineering. The reliability of the procedure has been confirmed on the basis of a coincidence of magnetic intensities obtained by the frequency method and Duhamel’s integral.

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Authors and Affiliations

  1. Tomsk Polytechnic University, 634050, Tomsk, Russia

    G. V. Nosov

  2. Tomsk State University of Control Systems and Radioelectronics, 634050, Tomsk, Russia

    M. G. Nosova

Authors
  1. G. V. Nosov
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  2. M. G. Nosova
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Correspondence to G. V. Nosov.

Additional information

Translated by I. Moshkin

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Nosov, G.V., Nosova, M.G. Prediction of a Pulsed Electromagnetic Field in a Thin Metal Sheet. Russ. Electr. Engin. 91, 141–147 (2020). https://doi.org/10.3103/S106837122002008X

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  • DOI: https://doi.org/10.3103/S106837122002008X

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