Simulation analysis of lightning resistance level under different installation modes of lightning protection measures

Abstract

When the lightning protection device is installed at intervals, the lightning strike point is different, and the lightning resistance level of the line is also different. Through simulation calculation, the change rule of lightning resistance level of the line under different installation modes of the same protection device can be obtained, and then the tripping rate under different installation modes can be obtained. Further comparative analysis can obtain the lightning protection effect of different installation modes of different protection devices. This paper studies the lightning resistance level of the line under different installation modes of three lightning protection measures: arrester, multi-chamber arc extinguishing lightning protection device and arcing fitting, which can be used for reference by operation and maintenance units to install various lightning protection measures.