The wind farm is an onshore project located close to the North Sea coast near the Danish border in the Nordfriesland region. The additional turbines will boost the sites capacity from 24MW to 39MW with a 20-year maintenance agreement by Siemens included in the full service contract.
The Klixbüll site already has six SWT-3.6-107 turbines in operation, two of which are community owned. The additional eight turbines will have a rotor diameter of 113 meters and will not only double the existing capacity but also provide technological features that will increase the facility’s profitability. The turbines will contribute energy even in low wind speeds, due to a ‘Reactive Power at No Wind’ option which turns the turbines into a phase shifting VAR compensator, solving a technical problem in the AC voltage grid.
Industrial customers drawing large amounts of active power from the grid can disrupt the supply frequency because their need for reactive power and this may also lead to heating of the power lines. The Reactive Power at No Wind feature can counteract this frequency shift and stabilize the AC grid. The Reactive Power supplied by the wind operator to the grid can thereby heavily reduce the grid’s annual operating costs.
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