Patent ID: 9599096
Date: 2017-03-21
CPC Classifications: F03D,F05B,H02P,Y02E

Claim:
1. A controller for a wind turbine power plant, the wind turbine power plant comprising a plurality of wind turbines, the wind turbine power plant producing an output power and having a rated output power, the controller comprising: a power plant set point control (PPSC) unit configured to schedule, based on received electricity price data, a plurality of set point values for the output power, wherein at least one scheduled set point value corresponds to an output power value greater than the rated output power; an optimizer unit configured to determine a plurality of overrating values reflecting an overrating capability of each of the plurality of wind turbines; and a power plant control (PPC) unit coupled with the PPSC unit and the optimizer unit, wherein the PPC unit is configured to: wherein each wind turbine of the selected one or more wind turbines processes the communicated amount of overrating through a corresponding response function to produce a respective processed overrating amount, the response function having a slope value or an offset value based on a determined fatigue amount of the wind turbine, and wherein each wind turbine changes an amount of power production by the respective processed overrating amount.