Electric potential calculation and electric field simulation around an earthing system of wind turbines

M. Talaat, M. A. Farahat, M. Osman

Abstract


The electric field simulation as well as the calculation of current density at the ground surface above the earthing system and their distribution inside the soil when the wind turbine is exposed to high voltage is presented. The electrical potential calculation around the earthing system of wind turbine using ring earth electrode with and without auxiliary vertical rods is also studied. The electric field distribution is obtained by calculating the electric potential in three-dimensional domain surrounding the earthing system using Finite Element Method. The boundary conditions satisfy both of Dirichlet’s and Neumann’s equations. The simulated electrodes are energized with one per unit voltage to be available for different types of applied potential

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