Inversion Method of Lightning Current Distribution on a Surface Conductor Represented by Thin Lines
DOI:
https://doi.org/10.13052/2025.ACES.J.400309Keywords:
Lightning current distribution, magnetic field distribution, partial element equivalent circuit, thin-line representation methodAbstract
Electromagnetic simulation and pre-analysis of electromagnetic compatibility for lightning effects are important. It is difficult to estimate the surface current of surface structures represented by thin lines. In this study, we simplified the partial element equivalent circuit (PEEC) equation and deduced an equation for the magnetic field based on the thin-line representation method. An inversion method was used to determine the surface current in a frequency-domain PEEC. Parallel computing technology was used to improve the inversion efficiency. Additionally, the capacitive and inductive characteristics of the elements of Darney’s circuit method were developed for PEEC. The results were compared with calculations using the finite integration technique. The application of the thin-line representation method was broadened, and its efficiency has been improved.
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