Core Insights - The "Ningdian into Xiang" project, China's first "Shagehuang" wind and solar power base, has been completed, with a full-load transmission capacity of 8 million kilowatts, capable of delivering over 36 billion kilowatt-hours of clean electricity to Hunan annually [1][2] Group 1: Project Overview - The "Ningdian into Xiang" project starts from Zhongning Converter Station in Ningxia and passes through Gansu, Shaanxi, Chongqing, and Hubei, reaching Hengyang Converter Station in Hunan, covering a total length of 1,616 kilometers with a total investment of 28.1 billion yuan [1] - The project serves as a model for the renewable energy supply and consumption system, addressing the challenges of large geographical spans and complex environments during construction [1] Group 2: Equipment and Technology - The high-end converter transformer, a key component in UHVDC projects, plays a crucial role in converting high-voltage direct current to alternating current, ensuring seamless integration with local power grids [2] - Each ±800 kV high-end converter transformer measures 14.8 meters in height, weighs 570 tons, and has dimensions of 26.5 meters in length and 8.4 meters in width, showcasing complete independent intellectual property rights [2] - The completion of the project is expected to meet Hunan's electricity demand, optimize the energy structure, and facilitate large-scale clean energy delivery from Ningxia, promoting cross-regional energy optimization [2]
护航“宁电入湘” 国产“超级装备”提供关键技术支撑