500kV输电线路换位塔带电作业技术实用化研究

Practical Study of Live Working of Common Bar Transposition Tower for 500kV Transmission Line

对500kV同塔双回路换位SHJ型杆塔的带电作业技术开展研究,分析带电作业过程中各种组合间隙与安全距离是否满足要求,并列举相关带电作业实操的典型案例及工器具配置。该研究结果可用于500kV同塔双回路换位SHJ型杆塔的维护检修,以提高作业效率,对我国超高压电网的安全运行及发展具有重要意义。

The live working technology of common bar SHJ transposition tower for 500 kV transmission line was studied.The various combinations clearance and security distance during live operations whether meets the requirements were analyzed.The typical cases of live operation and equipment configuration were introduced.The research results can be used in maintenance and overhaul of 500 kV double circuit on the same SHJ transposition tower to improve the operating efficiency.It is of great significance to the safe operation and development of ultra-high voltage power grid in China.