寒冬坚守筑牢“电站心脏”

Core Insights - The Tianjin North 1000 kV UHV substation is a key project under China's "14th Five-Year" power planning, with construction ongoing despite the approaching Spring Festival [1] - The project is expected to enhance the regional power grid's transmission capacity by over 40% and facilitate the consumption of more than 30 billion kWh of renewable energy annually, supporting industrial upgrades and public welfare in Tianjin and surrounding areas [1] Construction Progress - The construction site is busy with heavy machinery, including cranes lifting steel columns that are 21.19 meters long and weigh over 11.5 tons, indicating that the installation of the steel structure is in a critical phase [1] - The substation covers an area of 15.48 hectares and will feature two sets of 3000 MVA main transformers, with completion scheduled for 2027 [1] - As of now, 53% of the total project volume has been completed, with plans to finish the foundation and steel structure installation for the 1000 kV equipment before the Spring Festival [2] Safety and Quality Measures - The project has implemented winter construction adjustments, including the use of 35 sets of heating equipment and over 500 pieces of labor protection gear to ensure concrete strength meets standards [2] - A joint supervision team comprising technical experts, safety officers, and supervisors conducts daily checks on construction quality and safety measures [2] - The main transformer, described as the "heart" of the substation, requires high standards for safety and structural integrity, particularly for the oil pool that will support thousands of tons of transformer body and insulating oil [2]