The analysis and countermeasures of snow and ice weather effects on transmission line

South At the beginning of 2008 our south country,the most districts present the historical rare continual low temperature sleet to freeze the weather,causes many transmission line regelation to be serious,causes the electric wire broken line,the poles and towers to tilt,because in the short time is unable to restore,causes the electrical network big area power cut accident finally. This article freezes the weather through the analysis low temperature sleet to the transmission line movement influence,put forward some guard proposal target-oriented to the transmission line against regelation measure.