Measures to Avoid the Pollution Flashover

摘要

The pollution flashover is short for the filthy external insulation flashover of power transmission and transformation equipment. The three elements of pollution flashover are filth, damp and voltage. This paper analyzed that Fushun is the serious pollution area. Because of user substation does not clean it carefully, which lead to a seven pollution flashover accident in the summer of 2016 (heavy rainfall, the hot weather, "wet" insulator surface). By analyzing the causes of pollution flashover, there are many kinds of technical measures to prevent pollution flashover, but the regular clean up is the most basic, the most convenient and economical way to prevent pollution flashover for users so far.