TP IV.5 Design and control of offshore wind farm clusters

A sub-project in Innovation Area IV – System-oriented integration and aerodynamics of offshore wind turbines and wind farms

In order to integrate the offshore wind farms connected via high-voltage direct current (HVDC) transmission into the electricity grid, they will have to take over the provision of system services for the onshore transmission grid in future.

Furthermore, it is expected that grid-forming converters will also be used in OWPs in the future, which will fundamentally change the feed-in behavior determined by the control system and thus also the provision of system services by the wind farms, or in some cases make this possible in the first place.

Controls are therefore being developed for the provision of active power, in particular for frequency control with grid-supporting or grid-forming converters to ensure grid stability by adjusting the mechanical output and simultaneously reducing the mechanical load on the individual wind turbines to improve maintenance and extend their service life. HVDC must enable these services for the onshore transmission grid.