Siemens wind turbine with ATS hybrid tower completed

After the concrete tower was erected on the wind test site at the end of 2008 (see S&WE 1/2009, page 116), ATS recently built the steel tower segment on top of it. With the installation of the 2.3 MW turbine nacelle from Siemens and the rotor, the pilot project is now completed. At a hub height of 133 m, the plant reaches an overall height of 180 m. The tower consists of a lower part composed of long, narrow pre-cast concrete units made by ATS and an upper section made from conventional steel elements. It was erected and is being operated by ATS Projekt Grevenbroich GmbH.

“The tower allows great hub heights and thus a higher energy yield to be achieved at comparatively low overall costs, and it is also easy to transport”, explains ATS Managing Director Frans Brughuis. Compared to a hub height of 100 m, the ATS system improves the energy yield by approximately 20 %. The higher costs for the hybrid tower are recovered after about four years.

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