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Nabrawind - Prototipo

Nabrawind installs world’s tallest steel wind turbine tower

CategoriesNabralift / Products / Product Validation / Prototypes
Nabrawind

Nabrawind

September 25, 2018

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Nabrawind Technologies has completed the installation of the world’s tallest onshore steel wind turbine tower in Eslava, Northern Spain.

Standing at 160m tall, the Nabralift full-scale prototype was installed in under two weeks. The tower’s unique design means it can be installed, together with the turbine nacelle and rotor, via a patented self-erecting system using hydraulic jacks, enabling elevation by adding small frame modules at ground level, eliminating the need for massive cranes.

Nabrawind - Prototipo

The tower is a 20% lighter than the current steel towers and can be transported in standard trucks. The design of the tower also reduces the foundation size, and the installation process can be executed in small assembly platform, reducing the footprint as well as reducing the civil works cost.

The new generation of onshore 3MW-5MW turbines will require very tall towers to accommodate large blades and reach competitive wind speeds in the mainstream low-wind sites . This larger rotor diameter means that the turbine can generate more electricity, more efficiently – resulting in less turbines needed to reach desired generation capacity. However, current tall-tower technologies face design, logistic and installation challenges that are restraining the growth of this type of products.

Ion Arocena, Nabralift Programme Manager at Nabrawind Technologies, says:“The validation of our technology by means of this prototype marks an important milestone in our commercialisation. We’re confirming 15 to 20 per cent cost reduction versus conventional approaches like tubular steel or hybrid tower, and by next year we aim to produce and install up to 7 towers between 135 and 200 m height.”

Javier Sanz, CTO renewable energy, at InnoEnergy adds:“The huge savings Nabralift offers wind developers reduces the overall cost of energy by up to five per cent with big implications on the competitiveness of the wind industry. This is exactly the type of technology Europe needs to accelerate the clean energy transition and we’re offering companies like Nabrawind the rocket fuel they need to make that goal a reality.”

The prototype will be tested after installation to demonstrate 25 years of operating life through fatigue load tests. Once complete, Nabrawind Technologies is set to install up to seven more towers in 2019, ranging up to 200m in height.

Tags: Nabralift, Self-Erecting Tower, Prototype, Nabrawind

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    La demanda de turbinas más potentes deja sin opciones a Vestas en León - BGD Abogados Madrid October 26th, 2018

    […] y una torre tubular de acero autoizable que tampoco requiere grúas para el montaje. La compañía ha instalado el prototipo de su torre, Nabralift, en Eslava. Con 160 metros de altura, es la más alta del mundo, aunque es un 20% más liviana que las […]

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