eTa Blades achieves the Design Assessment Certification from DNV – GL for the innovative eTa4x wind blade

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Kicked off the series production of the efficient blade developed for the re-blading of 600-800kW turbine range, conceived for providing Life Extension and Performance Improvement

eTa Blades has successfully performed in-house, under the supervision of the DNV – GL, all the tests required for the achievement of the Conformity Statement for the Design Assessment of the eTa4X blade.

The eTa4X – specifically developed for the re-blading of 600-800kW turbine range, adaptable to several models – adopts the most advanced design and manufacturing techniques: new aero-elastic concepts on innovative aero-dynamic profiles, new materials originally unavailable or not used for the manufacturing of wind blades. These features allow the eTa4X to deliver a net AEP increase of 20%+ on average, if compared to the original OEM blades, reducing loads on the turbine thus becoming a life-extension enabler, with no additional noise emissions (field test performed in 2016).

The series production of the eTa4X has already been kicked off at the eTa Blades production facility in Fano, Italy, equipped with the most advanced features, among which: a 5 axes Milling Machine for mouldings for blades up to 45m, paint cabin for all finishing / specific finishing cycles respecting all HSE requirements, Kuka robot for T-Bolts, root machining up to 3m diameter.

eTa Blades, leader in Italy in wind blades design, development and manufacturing has invested in the concept of Re-blading since 2011 anticipating the increasing market need of tools and solutions providing for wind turbine Life Extension and Performance Improvement.For this purpose, eTa Blades will launch WindGainHub, a network of Independent Technology and Service Providers aiming at maximising Wind-Farmers’ IRRs through the optimal combination of: Life-Extension, Power Production Upgrades, Long-Term Tailored Maintenance, Damage Mitigation Upgrades.

DNV – GL Conformity Statement, eta4x data and video available at the following link: http://www.etablades.com/en/re-blading-eta4x/

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By | 2019-01-17T12:05:09+00:00 September 12th, 2017|Press|0 Comments

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