High Voltage Stress Distribution Phenomena on Liquid and Solid Insulation Material Using Finite Element Method
Keywords:Electric Field Distribution, Finite Element Method, High Voltage Stress, Liquid and Solid Insulation Material,
AbstractElectric field stress has been a major problem in high voltage phenomena that can lead to electrical degradation and thermal losses. Recent research found that with the development of existing liquid insulator (mineral oil, vegetativebased oils) and solid insulator (epoxy) will enhance the electrical, mechanical and thermal properties of high voltage insulation. This study investigates the properties of the electric field distribution, electrical potential and heat flow across the liquid insulating material (mineral oil, coconut oil, palm fatty acid ester oil and FR3) and solid insulating material (cross-linked polyethylene/XLPE, polyvinyl chloride (PVC), polymethyl methacrylate (PMMA) and epoxy) using finite element method (FEM). The aim of this study is to get a better understanding on the electric field distribution including heat transfer under high voltage stress for research purposes. The study was carried out using liquid test cell (according to IEC 60897) and solid test cell (according to CIGRE Method II). The result from this study will give a better understanding to interpret the phenomenon of electric field distribution, electrical potential and heat flow as the increase of the electrical stress.
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