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Blog

Nabralift decommissioning process: a case comparison to hybrid towers

Today, there are more than 34.000 onshore wind turbines which are 15 years or older, with a total capacity of 36 GW (WindEurope, 2020). Among those, 9 GW belong to turbines that are 20 to 24 years old and 1…

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Blog

Why torsional stiffness of Jacket-type structures has a low influence in WTG...

Wind turbine towers are traditionally based on steel tubes of large diameter and thickness. This configuration provides an excellent torsional stiffness, and therefore torsional modes are very fast (usually allocated between the 3P and the 6P excitation frequencies band) and…

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Nabralift

Design Certificate of 160m Nabralift Self-Erecting Tower awarded by DNV-GL

DNV-GL has awarded Nabrawind with the Design Evaluation Conformity Statement for the first Nabralift Self-Erecting tower design, that was prototyped last summer in Eslava (Spain), with a total hub height of 160m. The certificate confirms that the tower frame structure, designed to…

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Nabrawind Technologies is dedicated to the design and development of advanced wind technologies for wind turbine components, as well as engineering services advisory.

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