浅析雷击对配电自动化终端的危害及防护措施

Analysis on Hazard of Lightning Stroke to Distribution Automation Terminal and Protection Measures

随着配电自动化线路覆盖率的提高,安装在配电线路上的配电自动化终端设备,在运行中遭受雷击而引起的损坏时有发生,严重影响配电自动化设备的可靠运行。笔者通过分析配电自动化馈线终端FUT、站所终端DTU遭受雷击损坏的原因及存在问题,提出了具体改进意见和防护措施,对提高配电自动化终端的耐雷水平具有一定的实际意义。

With the increase of the distribution automation line coverage,the distribution automation terminal equipment installed on the distribution line is often damaged by lightning in operation,which seriously affects the reliable operation of the distribution automation equipment.By analyzing the causes and existing problems of lightning damage to feeder terminal unit fut of distribution automation and substation terminal unit DTU,the authors put forward specific improvement suggestions and protective measures,which has certain practical significance for improving the lightning resistance level of distribution automation terminal.