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Siemens repairing Anholt blades

By: Matthew White 26/04/2018 Ørsted

General Windfarms

Siemens Gamesa, with Ørsted, is in the process of planning the individual repair and upgrade campaigns for the Danish Anholt offshore wind farm and the London Array.

The reason behind the campaigns is due to the erosion on the blades' leading edge on the 3.6MW Siemens Gamesa turbines used on both wind farms. Further agreements, following similar principles, are expected in the months to come.

SGRE has commenced work at Anholt and aim to have the work done by September. During the campaign, SGRE will dismantle the blades, apply a protective shell and install an aerodynamic improvement kit to increase the yield. Because of the increased production and partly as result of warranty claims, the repairs expect to have little to no financial impact.

The Anholt repair campaign is planned with only a single wind turbine out of production at a time. Thus, when Siemens Gamesa takes down a set of blades, a set of repaired and upgraded blades will be available on deck and will be installed immediately to replace the blades that have been taken down. This means that each turbine will only be out of operation for a few hours. Furthermore, blade replacements will mainly be performed on good weather days, which means that the wind turbines will not be taken out of operation on days with strong winds and large production.

The Anholt offshore wind farm has a capacity of 400MW consisting of 111 SWT-3.6-120 turbines. It is located in the Kattegat sea, at a distance of 15km from the shore.

For more information follow the links provided.

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Siemens repairing Anholt blades

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