Abstract
Partial discharges occur the biggest failure problem in power cable insulation due to distortion of electrical stress. In this paper, it has been investigated on the effect of spherical nanoparticles of Barium titanate (BaTiO 3) and Clay for enhancing electrostatic field distribution in single and three-core power cables. It has been applied new strategies of nanotechnology techniques for designing innovative polyvinyl chloride insulation materials by using nanocomposites and multi-nanocomposites. Moreover, it has been studied the electrostatic field distribution within power cable nanocomposites insulation in presence of air voids, water voids and cupper impurity voids. The electrostatic field distribution in power cable insulation has been calculated by finite element method (FEM). A comparative study has been investigated on the effect of nanocomposite insulation for enhancing electric field stress in power cables.
Highlights
In a power cable, insulation strength of materials has serious role in long time function
Partial discharge occurs in places which their electric field intensity is higher than accepted value of insulator in a power cable, Nowadays, Finite Element Method (FEM) has been used to study bubbles effect in high voltage power cable insulations as a basic method
Finite Element Methods Magnetics (FEMM) software is used for this simulation
Summary
Insulation strength of materials has serious role in long time function. The progress of nanotechnology science is fast for innovate new insulation materials that have advanced physical and electrical properties [6,7,8,9,10,11,12,13,14,15,16,17,18] It has been studied the electric field calculation in insulation of power cables around conductor and partial discharges in insulation [19,20,21,22,23,24]. The aim of this paper is enhancing performance of single and three-core belted power cable that is exposed to manufacture defects like voids, metal impurities It has been studied the electrostatic field distribution inside traditional and nanocomposites insulation of power cables in presence of different air void, water void and cupper impurity void. The importance of using individual and multiple nanoparticles techniques have been tabulated for electrostatic field distribution inside nanocomposites and multiple nanocomposites insulation respectively
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