浅谈电力系统污秽绝缘子闪络及其防制措施

随着现代化建设的不断发展,大气环境日趋恶化,空气污染导致电力系统的运行环境日益严峻,运行中的绝缘子表面沉积的各种污秽也越来越多。在满足一定的条件时,绝缘子会产生沿面闪络,这种由于绝缘子的绝缘水平下降而引起的闪络事故将给电网带来极大的危害,因此必须采取一定的措施加以防范,以保证电力系统的安全运行。

Discussion on the flashover of dirty insulator and the control measures

With the continuous development ofinodemization, atmospheric environment de terioratingairpollution powersystemsincreasinglydifficult operatingenviron ment. the nmningsurface of the insulator deposition of a variety offilthyatsoincreasing. When certain conditions are meg the iusu lator flashover will produce Such an accidentwill the flashover grid insulators due to lower insulation level caused great harm, it must take certain measures to prevent, to ensure thatthepowersafe operation ofthe system.