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According to the China Three Gorges Project Development Corporation, the No. 26 hydropower unit at the Three Gorges Right Bank Power Station, which is the first 700,000-kilowatt air-cooled hydro-turbine generating unit in China, has been officially recognized for its full independent intellectual property rights after passing a rigorous technical appraisal by industry experts. This milestone marks a significant breakthrough in China's power generation technology.
Developed and manufactured independently by Harbin Electric Machinery Co., Ltd., the No. 26 unit stands as the world's largest hydropower generator using full air cooling technology. Unlike traditional water-cooling systems, this unit employs an advanced air-cooling method that cools the stator windings, iron core, and rotor windings entirely with air. This innovative approach not only enhances efficiency but also reduces maintenance costs and environmental impact.
Since its official production began on July 10, 2007, the unit has consistently maintained stable temperature and operational conditions. The deviation between actual performance data and design models remains within 5%, demonstrating high precision and reliability. By October 17, 2007, the unit had successfully achieved the critical "Stable First Day" operational goal, proving its readiness for long-term use.
This achievement highlights China's growing expertise in advanced turbine generator technology and positions the country as a global leader in sustainable and efficient power generation solutions. With continued innovation and development, the success of the No. 26 unit paves the way for future projects that will further enhance energy security and environmental sustainability.