陇东-山东±800千伏特高压直流输电工程输送电量突破100亿千瓦时

Core Insights - The Longdong-Shandong ±800 kV UHVDC project has successfully transmitted over 10.02439 billion kWh of electricity since its operation, marking a significant milestone in energy transmission [1][3] - This project is China's first large-scale integrated energy base for wind, solar, thermal, and storage, aligning with the national "14th Five-Year Plan" and the ecological protection and high-quality development of the Yellow River basin [1][3] Project Overview - The project spans 915 kilometers, starting from the Qinyang converter station in Gansu Province and ending at the Dongping converter station in Shandong Province, with a rated transmission capacity of 8 million kW [1] - It incorporates 14.5 million kW of supporting power sources, including 10.5 million kW from renewable energy and 1.05 million kW from energy storage [3] Technological Advancements - The project has pioneered the use of domestically produced equipment such as tap changers, DC control protection systems based on domestic chips, and fast circuit breakers, addressing key technological challenges in core components [3] - The Qinyang converter station plays a crucial role in supporting Gansu's energy transition and driving economic development in both Gansu and Shandong provinces [3] Operational Safety and Stability - To ensure the safe and stable operation of the project during peak summer periods, the State Grid Gansu UHV Company has implemented a comprehensive safety responsibility system and established a multi-dimensional monitoring system for the Qinyang converter station [3] - The project significantly contributes to the large-scale development and utilization of renewable energy in Gansu, enhancing energy supply security and promoting green development in the East China region [3]