The main line of 500 kV power transmission line wide operating in poor working conditions, all over the mountains and plains, the external force or construction problems are easy to cause the drainage plate bolts loose, resulting in poor contact heat conduction board. The continuous abnormal high temperature of the drainage plate may cause the fracture of the drainage plate bolt, or lead the fuse to fuse and cause the trip of the line, which seriously affects the normal and stable operation of the line. This paper analyzes the problems of drainage plate, and discusses its heating reasons, finally, it puts forward some measures to solve problems, which promotes power industry development fast and stabily.%500kV输电线路作为电网的主动脉,点多面广运行在漫山遍野,工况条件恶劣,外力或施工工艺问题等均容易引起引流板连接螺栓松动,致使引流板接触不良产生发热问题.首先阐述了输电线路引流版发热的问题,然后探究输电线路引流板发热原因,最后提出引流板发热的带电处理方法,希望促进电力事业更快更好的发展.
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