Abstract

The paper deals with an analysis of direct lightning strike to the wind turbine using thin wire antenna theory. Wind turbine is represented by a simple wire structure, while the lightning channel is represented by an equivalent lossy vertical wire attached to the wind turbine. The entire structure is energized by an ideal voltage source at the junction point. The analysis is based on the solution of the set of Pocklington integro-differential equations for arbitrary wires above the ground in the frequency domain. The corresponding transient response is obtained by means of Inverse Fourier transform. The set of Pocklington integro-differential equations is solved by the Galerkin-Bubnov Indirect Boundary Element Method.

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