CPC H02J 3/004 (2020.01) [H02J 3/32 (2013.01); H02J 3/381 (2013.01); H02J 2203/10 (2020.01); H02J 2300/28 (2020.01)] | 19 Claims |
1. A method for controlling a renewable power plant connected to a power network to reduce deviation of a measured frequency of the power network from a target frequency, the method comprising:
determining a forecasted power gradient over a forecast interval defined between a first time point and a second time point; and
at a third time point during the forecast interval, controlling the power plant to output active power according to a minimum active power level if the measured frequency at the third time point is below the target frequency, controlling the power plant to output active power according to a maximum active power level if the measured frequency at the third time point is above the target frequency, wherein:
the maximum and minimum active power levels are based on the forecasted power gradient.
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