ABNORMALITY DIAGNOSIS SYSTEM AND ABNORMALITY DIAGNOSIS METHOD FOR WIND POWER GENERATION FACILITY

To provide an abnormality diagnosis system for a wind power generation device that can restrain a decrease in the operating rate of a wind power generation facility.SOLUTION: An abnormality diagnosis system for a wind power generation facility comprises: a measurement data acquisition unit constituted so as to acquire a measured wind speed, a measured output, and a measured value of a blade pitch angle of the wind power generation facility; a plan output acquisition unit constituted so as to acquire a plan output determined from a power curve and the measured wind speed of the wind power generation facility; a calculated wind speed calculation unit constituted so as to calculate a calculated wind speed on the basis of the measured output and the measured value of the blade pitch angle; and an abnormality diagnosis unit constituted so as to perform an abnormality diagnosis of the wind power generation facility on the basis of a comparison between the measured output and the plan output, and a comparison between the measured wind speed and the calculated wind speed.SELECTED DRAWING: Figure 3 【課題】風力発電設備の稼働率の低下を抑制することを可能とする風力発電装置用の異常診断システムを提供する。【解決手段】風力発電設備の計測風速と計測出力と翼ピッチ角度の計測値とを取得するように構成された計測データ取得部と、風力発電設備のパワーカーブと計測風速とから定まる計画出力を取得するように構成された計画出力取得部と、計測出力と翼ピッチ角度の計測値とに基づいて演算風速を算出するように構成された演算風速算出部と、計測出力と計画出力との比較と、計測風速と演算風速との比較と、に基づいて、風力発電設備の異常診断を行うように構成された異常診断部と、を備える。【選択図】 図３