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More than 500 million rubles will be invested in protection of the Far Eastern electricity transmission line from thunderstorms
In the next two years, FGC will invest more than 500 million rubles in increasing the thunder resistance of nine overhead power lines in the Khabarovsk Territory, the Jewish Autonomous and Amur Regions. According to the press service of the MES of the East, the majority of emergency outages at Far Eastern power transmission lines are associated with thunderstorms.
Among the main ways to protect the lines, the installation of a ground wire is used, natural grounding in the form of precast reinforced concrete foundations, racks of reinforced concrete supports in combination with artificial beam earthing. Considering that the Far East is a region with a high thunderstorm intensity, and also, based on data from the analysis of lightning resistance of lines with existing methods of protection, linear arresters are additionally mounted on a number of overhead lines.
During 2014-2015, more than 220 line arresters will be installed on nine lines of the 3000 kV voltage class. This will significantly reduce the number of outages due to thunderstorm exposure.