中国自研大功率漂浮式海上风电机组下线

Group 1 - The world's largest direct-drive floating offshore wind turbine, with a capacity of 17 megawatts, has been launched in Fuzhou, China, marking a significant breakthrough in offshore wind power equipment manufacturing [1] - The turbine features a rotor diameter of 262 meters and a swept area of approximately 53,000 square meters, equivalent to 7.5 standard soccer fields, with a hub height of about 152 meters, comparable to a 50-story residential building [1] - Compared to semi-direct drive and doubly-fed technologies, this direct-drive turbine has an increased power generation tilt angle of 2 degrees and a survival tilt angle of 3 degrees, enhancing its adaptability to movement and ensuring a utilization rate of over 99% [1] Group 2 - The turbine is a collaborative effort led by China Huaneng and China Dongfang Electric Group, featuring domestically produced key components such as the main shaft bearing, blades, generator, converter, and transformer [2] - The research team has successfully overcome challenges in simulation technology and high-fidelity model testing for floating wind power systems, as well as precision manufacturing and assembly processes for blades and low-speed permanent magnet direct-drive motors [2] - The turbine can output up to 68 million kilowatt-hours of clean electricity annually, sufficient to meet the annual electricity needs of approximately 40,000 households, with plans for demonstration validation in the Yangjiang sea area of Guangdong [2]