Development of a shunt lightning current measuring system using a Rogowski coil

Abstract

Recently, the amount of lightning damage has increased with the number of lightning flashes. Therefore, it has become important to understand the features of lightning current damage to electrical and electronic equipment. At wind-turbine sites and tall antenna towers, lightning current waveforms are observed using large-scale Rogowski coils. Data related to the main current measured by the large-scale Rogowski coils and the shunt current that damages the electrical and electronic equipment are useful to establish lightning protection methodologies. In this paper, we present a system developed using a Rogowski coil to measure this shunt current.