Siemens has won a contract to provide eight SWT-3.0-113 wind turbines to a community wind project on the German-Danish border.

The new turbines are designed to work effectively in low or no wind conditions.

The plant at Klixbüll in Schleswig-Holstein will be facilitated with eight modern
wind turbines with direct drive technology and 3 MW capacity each will be installed at the onshore project close to the coast of the North Sea.

The fully citizen-owned Zweite Klixbüller Energie GmbH & Co. KG will see the locally installed capacity extended by 24 MW up to 39 MW till autumn. Even in case of no wind an innovative feature to stabilize the grid by supplying wattless power assures additional profit to the project. Moreover, Siemens provides a 20-year-maintenance in the framework of a full service contract.

The new installation will not only more than double the total capacity, but also provide technological features that will make the project even more profitable. The wind farm will contribute to the energy transition even in the case of complete wind calm. A key feature is the “Reactive Power at No Wind” option which turns the wind turbines into a phase shifting VAR compensator which then solve a technical problem in the AC voltage grid: Industrial customers who draw large amounts of active power from the grid can disrupt the supply frequency because of their need for reactive power and may lead to a heating of the power lines.

Through “Reactive Power at No Wind”, the wind farm can counteract this frequency shift and hence stabilize the AC grid. The operator of a wind farm produces in that way reactive power itself and offers it to the grid operator. This can heavily reduce the annual operating costs.

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