SYSTEM AND METHOD FOR OPERATING WIND TURBINES TO AVOID STALL DURING DERATING

A method 100 for operating a wind turbine 10 to avoid stall during derating thereof includes providing 102 an initial pitch setting for one or more rotor blades 22 of the wind turbine 10. Further, the method 100 includes operating 104 the wind turbine 10 based on a rated power curve with the one or...

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Hauptverfasser: MARWAHA, Monika, SCHUELL, Nadine, SONI, Pranav, TORBOHM, Gert
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method 100 for operating a wind turbine 10 to avoid stall during derating thereof includes providing 102 an initial pitch setting for one or more rotor blades 22 of the wind turbine 10. Further, the method 100 includes operating 104 the wind turbine 10 based on a rated power curve with the one or more rotor blades 22 fixed at the initial pitch setting. Further, the method 100 includes identifying 106 at least one condition of the wind turbine 10 that is indicative of stall. The method 100 also includes derating 108 the wind turbine 10. Further, the method 100 includes modifying 110 the initial pitch setting to an updated pitch setting when the at least one condition is identified.