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The smooth roll-off of 7MW-91m blades set a record for the length of domestic wind power blades.
Advanced technology, excellent team, undaunted by difficulties, and the spirit of unity, finally condensed into this 7MW-B910A offshore wind turbine blade. >In appearance, adoptedAirfoil family with excellent aerodynamic performance，The new shape designed with advanced theories effectively reduces the blade load； >Structurally, adoptedHigh-performance carbon fiber reinforced materials，With the new structure, the blade weight is reduced to a minimum； >On the lightning protection system, theDouble loop lightning current channel，Through the comprehensive simulation analysis and physical test of the blade lightning protection system, the reliability of lightning protection can be fully verified, and the risk of lightning strikes on the blades can be effectively reduced.。
The 910A blade is independently developed by Dongfang Wind Power, and is mainly used for offshore wind turbines such as DEW-D7000-186, which is suitable for various wind area environments. With a length of 91 meters, it is the longest wind turbine blade in China. It has the characteristics of excellent aerodynamic performance, low load, high reliability, good overall performance, large sweeping area, and high wind energy utilization. Installation of 43 DEW-D7000-186 permanent magnet direct-drive anti-typhoon offshore wind turbines independently developed by Dongfang Wind Power for the fourth phase of the offshore wind power project in Yangjiang, Guangdong。
Mainly specialized in loading docks for domestic sales and export to European and American markets: Yancheng, Dafeng；
Because of its huge size, the B910A blade not only raises the difficulty of transportation to a new height, but also poses a huge challenge to the transportation cost. To solve these problems, the delivery center, R&D center, and Oriental Tianjin Blade formed a transportation tooling research team. Repeated research, analysis, and demonstration have successfully developed a double-layer transportation tooling for offshore wind turbine blades. The use of this tooling will double the transportation efficiency, effectively guarantee the delivery schedule, and reduce the cost of maritime transportation. The shipment of the first batch of blades for the fourth phase of Guangdong Yangjiang Shaba project officially opened the prelude to the delivery of large quantities of offshore wind power products from Dongfang Wind Power。
