Method for recognizing yawing-caused wind misalignment of wind driven generator
A wind turbine and yaw technology, which is applied in the monitoring of wind turbines, wind turbines, engines, etc., can solve problems such as the decline of theoretical value reference, inaccurate results, etc., to avoid loss of power generation, stable characteristic performance, Convincing results
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[0041] The following describes the method for identifying wind turbine yaw alignment of the present application through an embodiment, and its specific implementation steps include the following steps:
[0042] (1) Obtain the monitoring data of the equipment sensor;
[0043] (2) Preprocess the data, and delete the data when the equipment is in abnormal operating states such as failure, maintenance, and power cut according to the fan status identification in the data; for data without fan status identification variables, you can choose the blade angle less than 5 angle data. The fan controls the speed through the blade angle to achieve shutdown or power limitation. Usually, when the fan is stopped or power is limited, the blade angle is less than 5 degrees.
[0044] (3) Calculate the value range of the wind angle data, and judge whether the maximum value exceeds 180 degrees. For the variable whose maximum value exceeds 180 degrees, subtract 360 degrees from the data greater t...
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