DEVICE AND METHOD FOR VISUAL ANALYSIS OF A WIND TURBINE BLADE
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United States of America Patent
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N/A
Issued Date -
Nov 21, 2013
app pub date -
Jan 31, 2012
filing date -
Feb 1, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The device includes an image capturing element for acquiring at least one image of at least one portion of a wind turbine blade. The image capturing element is configured for being triggered to acquire said image according to parameters related to the wind turbine blade such as blade azimuth and blade pitch at a given time. Acquired images are compared with predetermined reference images having such parameters associated therewith. Other parameters such as blade surface temperature or wind speed may be used. The image capturing element-may include a CCD device mounted on an upper portion of a wind turbine nacelle. An alarm signal can be sent to warn an operator for any abnormalities on the wind turbine blade surface.
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