Senvion, one of the world’s biggest wind turbine manufacturers, acquired RodPack technology from Chase Corporation this November. The material is already used in the blade for the Senvion 6.2M152 and is anticipated to be integrated in future blade designs for onshore and offshore turbines.
RodPack, which substitutes the standard glass fabrics used in the main girder, enables optimized blade design and provides faster and higher-quality blade production.The technology is based on cured pultruded rods placed on a non-woven fabric. It will exclusively be used in Senvion turbines.
Senvion is currently working on the co-development of a machine to expand RodPack production capacity.
“The steady improvement of our turbines and their efficiency is key for us. It is our aspiration to use the best and highest-quality materials and products on the market,” said Andreas Nauen, CEO at Senvion.“The acquisition of RodPack is a logical step for us to reach that goal.”
RodPack has 9% better material properties than high-modulus glass and 20% better than standard unidirectional glass. This creates the potential for blade designs with higher yields, longer life or a higher wind class.
“Earlier this year, we announced that together with our new owner we would be able to strengthen the investment in our product development,” said Bernhard Telgmann, Executive Vice President Product & Technology at Senvion.“Since then, we have presented a new turbine with the longest onshore blades currently available and are now going a big step forward in the efficiency improvement of blades by acquiring RodPack. Senvion is a technology leader, and we will keep going ahead with our pioneering spirit.”
In September this year, the company presented its low-wind turbine, the Senvion 3.4M140 with a blade length of 68.5 meters and opened an additional Research and Development Center in Bengaluru (Bangalore), India, to support the TechCenter in Osterrönfeld. Senvion was acquired by Centerbridge Partners in April and since then the new owners have announced a clear agenda and support for further investment into innovations at the company.
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