Fremgangsmåde til at drive en vindmølle med et rotornav, der støtter mindst en rotorvinge

摘要

Method for operating a wind turbine (1) having a rotor hub (2) supporting at least one rotor blade (3), the method comprising the steps of:
a) detecting changes in the aerodynamic performance of the at least one rotor blade (3) of the wind turbine (1),
b) determining a first control rule (CR1) of the wind turbine (1) being related to power output of the wind turbine (1),
c) determining a first power output information (I1) indicating a first power output of the wind turbine (1) based on the first control rule (CR1),
d) changing at least one operational parameter of the wind turbine (1) and choosing at least one second control rule (CR2) in such a manner that the first control rule (CR1) is replaced by the second control rule (CR2) being related to power output of the wind turbine (1),
e) determining a second power output information (12) indicating a second power output of the wind turbine (1) based on the second control rule (CR2),
f) comparing the first and second power output information (I1, I2),
g1) if the second power output of the wind turbine (1) exceeds the first power output of the wind turbine (1), repeating a) - f) with the second control rule (CR2) being used as the first control rule (CR1) in b);
g2) otherwise repeating a) - f), whereby a different second control rule (CR2) is applied in d).