输电线路山火跳闸机理分析及预防措施

近些年来,输电线路山火跳闸事故频频暴发,引起相关部门的高度重视。该文首先从空气热游离、高电导率的电子和离子、大量颗粒与灰烬3个角度解析输电线线路山火跳闸的机理,分析影响山火跳闸的主导要素。结合实际情况,提出预防山火的建设性建议,如划分山火重点时段、规划线路通道、建立实时监测系统、制定应急方案。最后,该文对山火研究趋势进行展望,认为利用原子发射光谱法可监测不同植被对输电线路绝缘的危险程度,从而进行危险分区。

In recent years,frequent outbreaks of hill fire tripping accidents on power transmission lines have attracted much attention.Firstly,this paper analyzes the mechanism of mountain fire trip of transmission lines from three angles of air thermal dissociation,high conductivity electrons and ions,large amount of particles and ash,and analyzes the main factors affecting the trip of mountain fire.Combined with the actual situation,constructive suggestions are put forward to prevent mountain fires,such as dividing the key periods of mountain fires,planning route passages,establishing a real-time monitoring system,and making emergency plans.Finally,this paper looks forward to the research trend of mountain fires.It is believed that atomic emission spectrometry can be used to monitor the degree of danger of different vegetation to the insulation of transmission lines,thus carrying out hazard zoning.