volume | PIER Journals

Abstract

This paper investigates the distribution of the electric field around a circular segmented diverter strip designed for lightning protection. This is accomplished by performing parametric analysis on various geometry parameters of the circular-shaped segmented lightning diverter strip and numerically calculating the electric field and crossover voltage using full-wave simulation. The results demonstrate that as the spacing between the segments decreases, there is a significant increase in electric field strength, reaching a maximum value of 438.22 MV m^-1, while the crossover voltage decreases from 2990.59 V to 744.35 V. An increase in the diameter of the segments is associated with a stronger electric field, with the maximum field strength reaching 300.36 MV m^-1, while in this case, the crossover voltage decreases from 1493.36 V to 1462.36 V. In contrast, the electric field increases as the segment height decreases, with no significant change in the crossover voltage. The study also analyzes the impact of curvature and different substrate materials on the electric field distribution and crossover voltage. Additionally, simulation results on the electric field distribution and capacitance calculations for various segments of the diverter are utilized to predict the probable location of the lightning attachment.

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Dr. Rudra Narayan Barik

Dr. Hrishikesh Sonalikar