Methods and apparatuses for wind turbine fatigue load measurement and assessment
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United States of America Patent
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Oct 26, 2010
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app pub date -
Dec 23, 2004
filing date -
Dec 23, 2004
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Abstract
Techniques and apparatuses for wind turbine component fatigue load measurement and assessment are disclosed. In one embodiment the component is a tower, fore-aft and side-to-side signals from a two-axis accelerometer attached to a bedplate of a wind turbine are used to measure tower fatigue loads. A yaw axis azimuth position signal can also be used for tower fatigue load measurement and assessment.
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