Method for operating a wind turbine and wind turbine for implementing the method

The method involves directing an illumination beam (34) onto a rotor surface, and detecting light intensities of reflected components (36) of the illumination beam. One of the light intensities of light is re-impinged from a rotor blade (16), and the other light intensity of the light is not re-impi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Tode, Siegfried
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS HEATING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES FOR LIQUIDS MEASURING MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PARACHUTES PERFORMING OPERATIONS PHYSICS PRODUCING MECHANICAL POWER TESTING TRANSPORTING WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The method involves directing an illumination beam (34) onto a rotor surface, and detecting light intensities of reflected components (36) of the illumination beam. One of the light intensities of light is re-impinged from a rotor blade (16), and the other light intensity of the light is not re-impinged from the rotor blade. A risk of icing is determined based on the detected light intensities. The illumination beam is directed toward a region (38) of a rotor disk, which is less than quarters of rotor diameter. An independent claim is also included for a wind energy plant.