About Wind turbine generator torsional vibration
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6 FAQs about [Wind turbine generator torsional vibration]
How to control torsional vibration of wind turbine drive chain?
Liu et al. 35 studied the torsional vibration of the wind turbine drive chain caused by the disturbance wind and the DPC strategy, and an appropriate damping and stiffness compensation control method was proposed to suppress the torsional vibration.
Does wind turbine gearbox have torsional vibrations?
This paper studies the torsional vibrations of wind turbine gearbox having two planetary gear stages and one parallel gear stage. The nonlinear dynamic model developed considers the factors such as time-varying mesh stiffness, damping, static transmission error and gear backlash.
What is torsional vibration suppression problem of wind turbine?
Remark 1: The torsional vibration suppression problem of wind turbine is transformed into the stabilization problem of the tracking error system. The control objective of this article can be formulated as designing a continuous fixed-time control scheme to realize the trajectory tracking of the error system.
What is the torsional vibration dynamic model of a permanent magnet wind turbine?
First, the shaft system of the direct-drive permanent magnet wind turbine is equivalent to a two-mass model. Based on considering the electromechanical coupling and the nonlinear change of the main shaft damping, the torsional vibration dynamic model of the shaft system is established by the Lagrange–Maxwell equation.
Does torsional vibration affect a direct-drive permanent magnet wind turbine?
In order to reduce the hazards caused by the nonlinear torsional vibration of the shaft system of the direct-drive permanent magnet wind turbine, the dynamic characteristics of the controlled shaft system torsional vibration were analyzed. First, the shaft system of the direct-drive permanent magnet wind turbine is equivalent to a two-mass model.
Does damping control reduce torsional vibration caused by wind speed?
Therefore, large-scaled WECS must have damping control. This study found that appropriate enhancing drive chain stiffness could reduce low-frequency torsional vibration caused by wind speed. Therefore, a damping and stiffness compensation control method was proposed to suppress the torsional vibration.
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