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China’s first anti-typhoon floating offshore wind turbine connected to grid

Author : PCEC

16 December 2021

On December 7, China's first anti-typhoon floating offshore wind turbine was successfully connected to the grid for power generation at an offshore wind farm in Guangdong.

Image: Three Gorges Group
Image: Three Gorges Group

Single wind turbine capacity of the floating offshore wind power platform is 5.5 megawatts. It was independently developed by the Three Gorges Group in collaboration with the Three Gorges Shanghai Research Institute and other scientific research institutions and wind turbine manufacturers.
Compared with traditional wind turbines fixed on the offshore seabed, floating turbines can realise the vision of deployment in deep sea. It can acquire stable and high-quality wind power in deep waters. 
Typhoon activity is frequent in the South China Sea. The platform is designed according to extreme wind, wave and current conditions, and can withstand up to level-17 typhoons.
Floating offshore wind power generally faces difficulties in technology and costs. With the help of scientific research projects in China and Guangdong Province, the project has produced typhoon-resistant wind turbines with semi-submersible foundations and mooring systems, ballast control, and dynamic cable development that can withstand conditions such as extremely high winds, complex sea conditions, and harsh waves.
China's policy support for offshore wind power has continued to increase recently. Wang Dapeng, Deputy Director of the New Energy Department of the National Energy Administration of China, said that he will organise the preparation of "China's Offshore Wind Power Plan" to promote the formation of a large-scale contiguous development pattern.
He mentioned that he will vigorously support technological innovation in large-capacity offshore wind turbines, new floating foundations, flexible direct transmission, and offshore wind power intelligence, informatisation, and digitisation. He would also actively promote the exploration of hydrogen production from offshore wind power, comprehensively improve equipment manufacturing, design and construction, operation, and maintenance capabilities.
Image: Three Gorges Group

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