Method of reducing torsional oscillations in the power train of a wind turbine
AssigneeAlstom Wind S.L.
InventorsDaniel Castell Martinez, Carlos Casanovas Bermejo
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Abstract
The present invention refers to a method of reducing torsional oscillations in the power train of a wind turbine in the event of grid loss. According to the method, after the grid loss, a braking torque is applied to the power train during a period of time and said period of time is determined as a function of the torsional resonance frequency of the power train.
Claims15
A method of reducing torsional oscillations in the power train of a wind turbine in the event of grid loss wherein, after the grid loss a braking torque is applied to the power train during a period of time, said period of time being determined as a function of the torsional resonance frequency of the power train.
Dependencies are inferred from the claim text.