Torsional dynamic damper for a wind turbine and method of using same
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United States of America Patent
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Feb 28, 2012
Issued Date -
N/A
app pub date -
Feb 4, 2011
filing date -
Feb 4, 2011
priority date (Note) -
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Abstract
A wind turbine includes a tower, a nacelle located adjacent a top of the tower, a rotor coupled to the nacelle, and a dynamic vibration damper coupled to the tower and configured to dampen vibrations induced in the tower in a torsional direction while negligibly effecting vibrations induced in the tower in bending directions. The dynamic vibration damper may be tuned to a resonant frequency of the wind turbine in the torsional direction. A method of retrofitting a wind turbine with a vibration damper is also disclosed.
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