白鹤滩-江苏特高压完成年度检修

Core Viewpoint - The annual maintenance of the Baihetan to Jiangsu power transmission line has been successfully completed, utilizing drone technology to enhance efficiency and safety during the process [1] Group 1: Maintenance and Technology - The State Grid Hubei UHV Company employed drones for the first time to assist in maintenance, lifting 48-kilogram fittings in two trips to replace damaged ultra-high voltage insulators, reducing maintenance time by 60% [1] - A large drone operated at a height of 100 meters while maintenance personnel worked 20 meters below, ensuring safety and efficiency during the replacement of the ±800 kV Jian Su Line's damaged insulators [1] Group 2: Environmental Impact - The Jian Su Line is a crucial channel for the "West-to-East Power Transmission" project, delivering 31.2 billion kilowatt-hours of clean hydropower to Jiangsu annually, which helps reduce coal consumption by 14 million tons and cuts carbon dioxide emissions by 25.42 million tons [1] - The efficient operation and precise inspection by maintenance personnel contribute to ensuring safe power supply during the winter peak demand [1]