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Abstract <p>The article presents a method for assessing the effect of the fractional composition of fillers on the electrophysical and thermal properties of polymer insulation. Based on the statistically equivalent reconstruction of the microstructure, a volumetric element is formed for which stationary problems of thermal conductivity and electrostatics are solved using the finite element method. Homogenization of local fields yields effective parameters of the composite (dielectric constant, electrical conductivity, thermal conductivity, heat capacity, density), which are then used in the macromodel of busbar sections with a nominal voltage of 1 and 10 kV.</p>

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The Influence of the Fractional Composition of Polymer Insulating Material on the Electrophysical and Thermal Characteristics of Power Equipment

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • D. I. Kovalev,
  • D. V. Golubev,
  • S. A. Elfimov,
  • D. A. Kruglikov,
  • S. S. Zhulikov

摘要

Abstract

The article presents a method for assessing the effect of the fractional composition of fillers on the electrophysical and thermal properties of polymer insulation. Based on the statistically equivalent reconstruction of the microstructure, a volumetric element is formed for which stationary problems of thermal conductivity and electrostatics are solved using the finite element method. Homogenization of local fields yields effective parameters of the composite (dielectric constant, electrical conductivity, thermal conductivity, heat capacity, density), which are then used in the macromodel of busbar sections with a nominal voltage of 1 and 10 kV.