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A vibration damping technique for a wind turbine system is described. The wind turbine system includes a vibration damper, which provides a variable signal to control torque produced by a generator of the wind turbine system. The variable signal is based on generator speed and has a first local peak

A vibration damping technique for a wind turbine system is described. The wind turbine system includes a vibration damper, which provides a variable signal to control torque produced by a generator of the wind turbine system. The variable signal is based on generator speed and has a first local peak value based on a resonant frequency of tower side-to-side oscillation.

대표청구항 ▼

The invention claimed is: 1. A vibration damping system for a wind turbine system mounted on a tower, the vibration damping system comprising: a vibration damper operable to provide a variable signal to control torque produced by a generator of the wind turbine system, wherein the variable signal i

The invention claimed is: 1. A vibration damping system for a wind turbine system mounted on a tower, the vibration damping system comprising: a vibration damper operable to provide a variable signal to control torque produced by a generator of the wind turbine system, wherein the variable signal is based on generator speed and has a first local peak value based on a resonant frequency of tower side-to-side oscillation. 2. The system as recited in claim 1, further comprising a peak detection system operable to determine the resonant frequency of tower side-to-side oscillations. 3. The system as recited in claim 1, wherein the wind turbine system comprises a drive train to couple a turbine rotor to the generator, and wherein the peak detection system is operable to determine a resonant frequency of drive train oscillation. 4. The system as recited in claim 3, wherein the variable signal has a second peak value based on the resonant frequency of drive train oscillation. 5. The system as recited in claim 3, wherein the signal of the vibration damper has a lower value relative to the first peak value and the second peak value at a vibration frequency corresponding to turbine rotor frequency multiplied by the number of blades of the turbine rotor. 6. The system as recited in claim 1, wherein the variable signal has a substantially constant value for vibration frequencies greater than a predetermined vibration frequency. 7. The system as recited in claim 1, wherein the vibration damper comprises a processor operable to produce an output corresponding to a programming instruction that relate a vibration damper response and vibration frequency.