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A Comparative simulation on the grounding grid system of a wind turbine with FEA software

Sciprofile linkSelami Balci, Ömerhan Helvacı
Published: 31 December 2019
Journal of Energy Systems , Volume 3, pp 148-157; doi:10.30521/jes.613724

Abstract: The mathematical models proposed in the literature are used to determine the grounding resistance value for electrical installations. These models are mathematical expressions that change according to grounding type and the mechanical properties of the grounding system elements. Besides, the inclusion of nonlinear terms is another important issue in the modeling studies. For the modeling of nonlinear systems and the analysis of the faults that may occur, the finite element analysis (FEA) approach provides realistic results. In the present study, the simulation of a grid fault that may occur in the grounding system of a sample wind turbine (WT) is modeled by 2D electrostatic solver in FEA software. The simulation results prove that the findings are similar to the realistic faults in the grounding system.
Keywords: Simulation / models / software / nonlinear / wind turbine / grid / FEA / mathematical

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