国网兰州供电公司：完成金泉主变更新 消除隐患保障电网稳定运行

Core Points - The State Grid Lanzhou Power Supply Company successfully completed the replacement of the No. 2 main transformer at the 110 kV Jinquan Substation, significantly enhancing equipment reliability and providing strong power support for Yongjing County during peak summer demand [1][3] Group 1: Project Details - The replaced No. 2 main transformer had been in operation for a long time and was found to have insulation aging issues during routine testing [3] - The company adhered to equipment lifecycle management requirements and developed a scientific plan for the overall replacement [3] - The new transformer features energy-saving and environmentally friendly designs, further improving operational reliability [3] Group 2: Risk Management and Safety Measures - The project implemented a "five-level five-control" risk management mechanism throughout the replacement process [3] - A risk control card was prepared to assess risks associated with critical operations such as hoisting, working at heights, and hot work, along with targeted preventive measures [3] - Safety measures included physical isolation of hazardous areas, visual warning signs, and a staggered work schedule to mitigate heat exposure, ensuring personnel health and operational safety [3] Group 3: Future Plans - The company plans to continue identifying and addressing potential hazards in the power grid, enhancing safety through equipment upgrades and technological improvements [3] - The goal is to provide more reliable and stable power support for local economic and social development [3]