我国海拔最高风电项目并网发电

Core Points - China Huadian Group has successfully connected the Qiongjie Wind Power Project in Tibet to the grid, making it the highest wind power project in China at an elevation of 5,370 meters [1] - The project has a total installed capacity of 60 megawatts, consisting of 12 wind turbines, and includes a grid-connected energy storage system [1] - It is expected to provide clean energy sufficient for approximately 120,000 households annually [1] Summary by Sections Project Details - The Qiongjie Wind Power Project is located in Shannan City, Tibet, and features a total installed capacity of 60 megawatts with 12 wind turbines [1] - The project aims to address the energy supply fluctuations in Tibet, where hydropower and solar energy dominate the energy mix [1] Wind Resource and Challenges - Tibet has abundant wind resources, with about 30% of the region's area experiencing wind speeds above 7 meters per second, primarily at elevations above 4,800 meters [1] - The project team faced challenges such as low oxygen levels (57% of that at plain areas) and significant temperature fluctuations (over 20 degrees Celsius) [1] Innovative Construction Techniques - The project utilized optimized concrete mixing and a unique thermal insulation method to ensure the strength and durability of concrete in low-temperature conditions [1] - A single-blade hoisting technique was applied for the first time at elevations above 5,000 meters, saving approximately 66% of the operational space required compared to traditional methods [2] Economic Impact - The project has directly contributed to local income, generating over 3.6 million yuan for the community and boosting local industry by over 11 million yuan [2] - Ecological restoration efforts included high-performance substrate ecological spraying technology to repair vegetation [2]