wind

German consortium raises wind turbine hub height by 35 metres to boost performance 25%

The technologist Kenersys, the wind developer Juwi, and the tower manufacturer Advanced Tower Systems (ATS) – all of which are German – have joined forces to launch a 135-metre high hybrid tower. They report that a turbine fitted to the hybrid tower produces 25% more power than a similar turbine with a hub height of 100 metres.

The consortium announced in a recent press release that the steel-concrete tower concept has been developed to “operate turbines more profitably” by allowing them to use an atmospheric layer with lower roughness and higher and steadier winds to produce more energy from the wind at a given site.

The consortium has launched the concept near the community of Dannstadt (State of Rhineland-Palatinate, Southern Germany) and by year end Juwi will have installed two Kenersys K100 2.5-MW turbines on ATS hybrid towers at the site.

“We have been performing an intense measurement program with the ATS hybrid tower at the Grevenbroich wind test site for over a year,” revealed Frans Brughuis, Managing Director of ATS. “The result is extremely promising. Instead of the calculated higher energy yield of 18% with 135-metre hub height in comparison with 100 metres, we have 25% more energy yield. With this result we are ready for the first hybrid tower serial project with juwi and Kenersys.”

During testing, juwi also counted on a Kenersys turbines K100 2.5-MW turbine, which has a rotor diameter of 100 metres and a swept area of nearly 8,000 square metres. At a hub height of 135 meters, the machine is an IEC type class III turbine and is ideally suited for the Dannstadt project, where the two turbines will provide approximately 4,000 households with clean and economic wind energy.

“With this project we combine state-of-the-art turbine technology with a ground-breaking tower concept, executed by one of the leading project developers. With this concept, we unlock a large potential of yet untapped on-shore sites,” said Paulo Fernando Soares, Kenersys Group CEO.

For additional information:

Kenersys

Juwi

ATS

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