摘要
以直击雷跳闸次数、感应雷跳闸次数、危险电流次数为雷害风险评估参数,以危险电流次数为配电线路防雷性能综合评估标准,同时以10 k V浩三路配电线路为典型实例,逐基杆塔进行雷害风险评估,获得各雷害风险等级杆塔分布情况,对防雷改造方案进行对比,提出适用于青海地区线路防雷策略。分析改造前后线路防雷性能变化情况,为防雷技术提供指导。
Taking directive lightning trip times, inductive lightning trip times and the number of dangerous currents as risk assessment parameters for lightning damage, the number of dangerous currents is taken as the comprehensive assessment standard for lightning protection performance of distribution lines. Taking the 10 kV Hao San Road power distribution line as a typical case, Base tower to carry out risk assessment of mine damage, access to the mine risk level of the tower distribution, lightning protection programs to be compared to provide light lines applicable to regional lightning protection strategy. Analyze the changes of lightning protection performance before and after the transformation, provide guidance for lightning protection technology.
出处
《青海电力》
2017年第4期30-34,共5页
Qinghai Electric Power
关键词
配电
架空线路
雷害风险
评估
策略
power distribution
overhead lines
risk of mine damage
assessment
strategy
