Influence of composite materials on the electric field distribution of a high voltage cable

Résumé

Our significant contribution is to bring improvements to the level of existing formulations for the different layers of high-voltage underground cables using the concept of composite.This paper is focused on studying the impact of additives on the electric field behaviour in the different dielectric layers of a three-core XLPE power cable using Matlab software and a finite element approach in COMSOL Multiphysics software.This study is an extension of previous studies only interested in the insulating part of the cables.The reduction in the electric field with the augmentation of fillers was observed, and it's very significant in insulating layers.In semiconducting layers, it also leads to an increase in the electric field in the insulation layers.While in the other dielectrics layers, there is no effect.The results indicate that the electric field strength could be controlled by adjusting the relative permittivity of the dielectrics by adding single or multiple particles.

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