Abstract
According to relevant investigations, 50%-60% of transmission line faults are caused by lightning strikes, especially in mountainous areas or plateau areas with relatively special geographical conditions and high incidence of lightning damage. The faults of transmission lines laid in relevant areas are mainly lightning trips or disconnection, which seriously affects the stability and safety of transmission line operation. Based on the influence of lightning on 35~110kV transmission lines, this paper explores the current lightning protection status of such transmission lines, and puts forward countermeasures to solve the lightning protection problems of 35~110kV transmission lines according to the relevant lightning protection principles, providing reference for power enterprises and related technical personnel, so as to minimize the lightning damage of transmission lines.
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