摘要
对500 kV超高压典型雷击故障原因进行了分析。利用改进的电气几何模型原理,设计了计算软件,分析了输电线路地面倾角和保护角对绕击跳闸率的影响。通过对故障杆塔最大击距、绕击跳闸率等重要参数的计算,成功地解释了规程法难以解释的雷击故障原因。
A typical lighting strike fault of 500 kV EHV transmission line is analyzed. By using the theory of the improved electro-geometric model（EGM）, A software is designed. The effects of the ground angle and shielding angle on the shielding failure trip-out rate are analyzed. And it also successfully explained the lighting strike faults which can not be defined by the discipline method.
出处
《电瓷避雷器》
CAS
北大核心
2013年第6期61-64,70,共5页
Insulators and Surge Arresters
