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专利名称：METHOD AND DEVICE FOR
AUTOMATICALLY CALIBRATING WINDALIGNMENT ERROR OF WIND POWERGENERATION UNIT
发明人：YE, Hangye,PAN, Donghao,WANG, Xin,YING,
You
申请号：EP17830459申请日：20170718公开号：EP34508A4公开日：20190807
摘要：Provided are a method and device for automatically calibrating a windalignment error of a wind power generation unit. The method comprises: obtaininghistorical operation data of a target unit within a preset time period; removing abnormaldata from the historical operation data of the target unit; performing dimensionalityreduction processing on target data and determining a curve representing a relationshipbetween wind alignment error and output performance by means of data obtained afterthe dimensionality reduction processing; determining an inherent wind alignment errorby means of the curve representing the relationship between wind alignment error andoutput performance; and correcting zero parameters in a yaw system of the target uniton the basis of the inherent wind alignment error. The device has multiple modules, andthe function of each of the modules corresponds to the method. According to the abovemethod and device, historical operation data of a wind generation unit is utilized, and aninherent wind alignment error of a yaw system of a target unit is automatically identified
by data exploration and analysis, so that zero parameters in the yaw system of the targetunit can be automatically adjusted according to the inherent wind alignment error,enhancing the adaptability of the yaw system of the unit and improving the actual outputperformance of the unit.
申请人：Zhejiang Windey Co., Ltd.
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