Methods and apparatus for reducing peak wind turbine loads
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United States of America Patent
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Feb 13, 2007
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N/A
app pub date -
Jun 30, 2004
filing date -
Jun 30, 2004
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Abstract
A method for reducing peak loads of wind turbines in a changing wind environment includes measuring or estimating an instantaneous wind speed and direction at the wind turbine and determining a yaw error of the wind turbine relative to the measured instantaneous wind direction. The method further includes comparing the yaw error to a yaw error trigger that has different values at different wind speeds and shutting down the wind turbine when the yaw error exceeds the yaw error trigger corresponding to the measured or estimated instantaneous wind speed.
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