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Offshore wind farms (WFs) connected to the grid via voltage-source converter based high voltage DC (VSC-HVDC) do not inherently participate in the primary frequency control of the main grid. This paper discusses possible approaches for participation of the offshore WF in the frequency control focusing on the primary frequency response during an overfrequency event caused by a sudden change in the...
The frequency thresholds in the classical Under Frequency Load Shedding (UFLS) are constant and prespecified independent of event scale and place. Furthermore, almost all of recent LS schemes are based on System Frequency Response method to estimate the active power deficit using initial frequency gradient following the event; a method that may no longer be valid in the presence of renewable energy...
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