Mechanical stability analysis of a DFIG floating offshore wind turbine using an oriented-control model
Keywords:
Barge-type floating offshore wind turbine, control-oriented model, double-fed induction generator, mathematical optimization, stability, wind energyAbstract
This article develops an oriented-control simulation model of a doubly fed inductor generator (DFIG) floating offshore wind turbine (FOWT). The main goal of this model is to allow it to analyze the influence of the wind turbine control on the mechanical stability of the floating turbine, studying how the control action affects the vibrations of the tower. A mathematical optimization control and fixed pitch angle have been implemented. The model has been simulation tested, obtaining results close to the nominal power generation and acceptable oscillation values for the operating conditions. Despite the non-linear dynamics of the system, the model allows it the simulation of different capacity power generation systems, specifically floating offshore wind turbines, and the study of the vibrations of the floating structure.
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