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This paper presents an investigation into lightning surges induced in buildings with the FDTD method. When down conductors (DCs) in a building discharge a lightning current, induced surges are observed in adjacent distribution circuits due to electric and magnetic coupling. The induced voltage in an open circuit and the induced current in a close circuit are, respectively, determined by the current...
Analysis of lightning current in communication and power cables is essential for lightning protection in radio base stations. In this paper an equivalent circuit method is developed to evaluate lightning current distribution among the cables mounted on a cable ladder. Both skin and proximity effects in the cables are taken into account and an efficient modelling procedure is presented. The proposed...
This paper presents a numerical investigation into lightning induced surges using a FDTD method. When the down conductor in a building discharges a lightning current, substantial induced voltages are observed in the adjacent distribution circuits. The induced surge voltage is linearly proportional to wave-front parameters of the lightning discharge current, and is a logarithmic function of the distance...
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