Identification of Industrial Electromagnetic Field Sources

A. Canova, M. Repetto and M. Tartaglia
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A. Canova: Politecnico di Torino, Dipartimento di Ingegneria Elettrica Industriale
M. Repetto: Politecnico di Torino, Dipartimento di Ingegneria Elettrica Industriale
M. Tartaglia: Politecnico di Torino, Dipartimento di Ingegneria Elettrica Industriale

A chapter in Optimization and Inverse Problems in Electromagnetism, 2003, pp 193-203 from Springer

Abstract: Abstract The evaluation of the electromagnetic field emitted by an industrial source under quasi-stationary conditions is usually performed by means of magnetic measurements which gives a spatial distribution of the magnetic flux density amplitude. In fact usual industrial applications produce electric field levels which are far from any known health effects, moreover a quasi-static electric field is quite easy to screen. On the contrary, the design of a magnetic field shielding apparatus requires to simulate both the source and the shield system and to evaluate the main shield parameters like geometry, materials, position with respect to sources. Thus it seems powerful to simulate actual source fields by means of suitable simplified sources which can be handled by analytical relations. In this work, an identification process of industrial magnetic fields with a negligible harmonic content is performed using a genetic algorithm applied to a simplified source. The proposed source is a suitable combination of three-phase ones and it seems able to create a realistic electromagnetic field distribution both in space and in time. Some results related to possible industrial applications are discussed.

Keywords: ELF magnetic field; genetic algorithm; identification; power systems. (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-94-017-2494-4_19

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DOI: 10.1007/978-94-017-2494-4_19

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