摘要
同杆双回输电线路在电能传输中登场的几率越来越高,特别是110kV、220kV输电等级更是占了该等级传输网络的47%～64%,而运行资料表明输电线路三分之二的故障是由于雷击引起,雷击地闪时双回面临单跳和同跳的风险比单回进一步提高。通过ATP-EMTP电磁暂态软件对不同配置方式下的同塔双回输电线路的仿真计算,得到在不同配置方式下的雷电冲击特性并给出了各种配置方式下雷电冲击特性效果最好的方式,可以为在建以及规划中的双回电网防雷提供建设性参考建议。
Double-Circuit Transmission Lines on same tower in power transmission is becoming more and more high probability in the debut especially in 110kV, 220kV transmission line accounts for the 47% ~64% level of the transmission network, and run data show that two-thirds of the transmission line failure was caused by lightning, the higher risk of lightning ground flash back to double and single trip-out when compared with the single line. ATP-EMTP electromagnetic transient simulation software has been used to calculate the double-circuit transmission line under different configuration modes, the lightning impulse characteristic and best configuration modes are obtained,constructive reference proposal about lightning protection can be used in the double grid under construction or planning.
作者
杨海龙
YANG Hailong(Guangyuan Electric Power Supply Co., State Grid Siehuan Electric Power Co., Guangyua 628000, China State Grid Siehuan Eleetrie Power Dr.Researeh Station, State Grid Siehuan Eleetrie Power Co, Chendu 610072, China)
出处
《电瓷避雷器》
CAS
北大核心
2016年第5期135-140,共6页
Insulators and Surge Arresters
关键词
同杆双回输电线路
ATP-EMTP
配置方式
雷电冲击特性
double-circuit transmission line on same tower
ATP-EMTP
configuration modes
lightning impulse characteristic
