多线并进战极限！330千伏玉树二回接入“大会战”圆满落幕

Core Viewpoint - The successful energization of the 10 kV bus at the 35 kV Xianggu Substation marks the completion of the 330 kV Yushu Second Circuit Project, which is crucial for enhancing the reliability and supply capacity of the power grid in the Yushu region of Qinghai Province [1] Group 1: Project Overview - The 330 kV Yushu Second Circuit Project is a significant initiative aimed at meeting the long-term electricity needs of the Yushu region, addressing reliability issues associated with the existing single-circuit supply [1] - The project will optimize the grid structure in the upper reaches of the Yellow River, significantly improving the reliability and supply capacity of the southern Qinghai power grid [1] Group 2: Construction and Execution - The "major battle" for this project commenced on May 10 and was completed in 18 days, marking the largest and most complex concentrated construction and power supply assurance operation in the history of Qinghai's power grid [3] - The operation involved over 2,500 personnel, 8 on-site workgroups, and the completion of 18,144 switching operations and 801 equipment inspections [3] - Key tasks included the annual maintenance of the Yushu First Circuit and the connection construction of the Yushu Second Circuit, covering 14 substations and 21 power lines across three regions [3] Group 3: Progress and Future Plans - As of now, the project has achieved 100% completion of foundation pouring, 99.56% of tower assembly, and 94.9% of wire installation, transitioning into the acceptance and maintenance phase [5] - The team of 805 construction workers is committed to ensuring safety while aiming to complete the project by the end of June [5]