Method and device for determining tower clearance for wind turbine

A method and device for determining a tower clearance for a wind turbine. The method comprises: acquiring an image of a wind turbine in operation (S10), the image comprising the tips of blades (2) and a tower (1) of the wind turbine; determining the positions of the tips of the blades (2) of the win...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Baifang, CHENG, Qingyang, YANG, Boyu
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A method and device for determining a tower clearance for a wind turbine. The method comprises: acquiring an image of a wind turbine in operation (S10), the image comprising the tips of blades (2) and a tower (1) of the wind turbine; determining the positions of the tips of the blades (2) of the wind turbine in the image acquired (S20); identifying the edges of the tower (1) in the image acquired (S30); and calculating, on the basis of the positions of the tips of the blades (2) and the edges of the tower (1) that have been determined, the distance from the tips (2) of the blades (2) to the edges of the tower (1) to acquire a tower clearance (S40). The employment of the method and device for determining the tower clearance for the wind turbine allows the real-time determination of the tower clearance for the wind turbine, thus effectively preventing the blades (2) from hitting the tower.