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METHOD FOR OPERATING A WIND TURBINE IN THE EVENT OF A GRID ERROR AND A WIND TURBINE FOR CARRYING OUT SAID METHOD
METHOD FOR OPERATING A WIND TURBINE IN THE EVENT OF A GRID ERROR AND A WIND TURBINE FOR CARRYING OUT SAID METHOD
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机译:发生电网误差时运行风轮机的方法及贯彻实施的风轮机
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摘要
The invention is directed to a method for operating a wind turbine in the event of a grid error. The wind turbine has a rotor having a rotor blade adjustable in its blade pitch angle, a generator and a unit for capturing an actual value of the rotational speed of the generator, a value of the blade pitch angle and an actual value of a variable which is representative of a generator torque. The method includes recognizing a grid error; capturing the actual value of the generator torque and actual value of rotational speed of the generator when a grid error was recognized; determining a change in torque; capturing the pitch angle; determining a corrective value for the pitch angle in dependence upon the change in the generator torque and the value for the pitch angle; and, determining a corrected set-point for the pitch angle.
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