CONTROL METHOD AND APPARATUS FOR WIND TURBINE GENERATOR SET, AND DEVICE

A control method and control apparatus for a wind turbine generator set, a computer-readable storage medium, and a computing apparatus. A method for optimizing a power curve of the wind turbine generator set comprises: defining to map as a hub thrust obtained by operating at overpower on the basis t...

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Bibliographische Detailangaben
Hauptverfasser: ZHOU, Jingwei, ZHAI, Endi, TIAN, Meng
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A control method and control apparatus for a wind turbine generator set, a computer-readable storage medium, and a computing apparatus. A method for optimizing a power curve of the wind turbine generator set comprises: defining to map as a hub thrust obtained by operating at overpower on the basis that the set operates at a standard rated power, and formulating a thrust limiting boundary of the rated power and the overpower of the set; obtaining starting power of advanced variable-pitch control according to a relationship of the boundary with power and a pitch angle; and when the rotating speed is a first rated rotating speed and the power of the wind turbine generator set reaches the starting power, controlling a motor torque to increase so as to control the wind turbine generator set to be maintained at the first rated rotating speed and increase the power of the wind turbine generator set, and controlling the pitch angle to increase according to a first calibration relation between the power and the pitch angle, such that the fan hub thrust changes according to the fan hub thrust limiting boundary. Therefore, the fan hub thrust can be reduced, and the power loss caused by the advanced variable-pitch control at the rated power can be compensated.