Aerodyn Energiesysteme in Germany has confirmed earlier reports about a new rotor blade it is developing for next-generation offshore wind turbines
The Rendsburg-based company is developing the 111-m TC1B rotor blade with 11-15 MW offshore wind turbines in mind.
The length of the blade it is developing thus exceeds that of those on GE Renewable Energy’s 12-MW Haliade-X, which are 107 m long, and Siemens Gamesa Renewable Energy’s recently announced 15-MW capable SG 14-222 DD direct drive offshore wind turbine, which has 108-m blades.
The company described the new blade as a promising 14-MW pre-design for a TC1B site that can be optimised to take into account turbine rated power, type class and BCD.
“The rotor blade has a hybrid CFRP-GFRP spar caps to reduce the use of costly C-fibres to a minimum,” said the company.
For some time, Aerodyn has also been working on a 10-MW+ offshore wind turbine and components for it and has stated it is ready to enter into production. It previously stated that generator production is planned for Q1 2021.
The company also earlier reported a new focus on turbines and components for the floating wind market.
Aerodyn said it had developed new software and processes to address challenges associated with using very large turbines with floating structures and mooring systems. These include increased movement and hydrodynamic and other forces that affect the dynamics of floating turbines, that result in high acceleration forces on the tower head that may be imparted to the drivetrain.
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