夯实国家能源“大动脉”——四川电网骨干工程建设一线扫描

Core Points - The Aba-Chengdu East 1000 kV UHVAC project is a key initiative under China's 14th Five-Year Plan, spanning 371.7 kilometers and connecting major cities for clean energy transmission [2] - The project involves the construction of 1,414 new towers, with the Lixian section accounting for 50% of the mountainous terrain along the route [2] - Upon completion, the project will significantly enhance the capacity for clean energy transmission from Aba to Chengdu, improving the power resilience and peak regulation capabilities of the Chengdu urban agglomeration [2] Group 1 - The construction site in the Miya Luo town faces challenging conditions, with a foundation depth of 15 meters on a slope exceeding 30 degrees, showcasing the engineering difficulties in high-altitude areas [1] - The project is characterized by meticulous quality control, with strict measurements and verification processes in place to ensure structural integrity [1] - The construction team is preparing to enter the tower assembly phase, employing different methods based on the ecological sensitivity of the area to minimize disturbances [4] Group 2 - The Jinshang-Hubei ±800 kV UHVDC project is another critical component of the national "West-to-East Power Transmission" strategy, facilitating the efficient transfer of hydropower and renewable energy from the upper reaches of the Jinsha River to central China [2] - The Bangguo converter station, the highest of its kind globally, is expected to deliver 40 billion kWh of clean electricity annually, equivalent to replacing 120 million tons of coal [2] - The Sichuan power grid has launched over 100 key projects during the 14th Five-Year Plan, increasing the clean energy transmission capacity from 30.6 million kW at the end of the 13th Five-Year Plan to 57 million kW [3]