METHOD FOR REDUCING LOADS IN A WIND TURBINE
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United States of America Patent
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Issued Date -
Jun 7, 2012
app pub date -
Nov 13, 2007
filing date -
Nov 17, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Loads reduction method in a wind turbine for power-grid disconnection during a wind gust, which uses a control system made up of three loops used to correct the speed at which the wind turbine blades are moved to the feathered position throughout a controlled emergency stop, with a non-linear law that takes into account blade position, tower vibrations and generator rotation speed limits.
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