Floquet stability analysis of wind turbines using input-output models
CL Bottasso, S Cacciola - 32nd ASME Wind Energy Symposium, 2014 - arc.aiaa.org
32nd ASME Wind Energy Symposium, 2014•arc.aiaa.org
In this work a method is described for the stability analysis of wind turbines. The method
uses input-output time histories obtained by suitable excitations of the system. Next, a
periodic reduced model is identified from the recorded response, and used for a stability
analysis conducted according to Floquet theory. Since only input-output sequences are
used, the approach is model-independent in the sense that it is applicable to wind turbine
simulation models of arbitrary complexity. The paper describes a formulation capable of …
uses input-output time histories obtained by suitable excitations of the system. Next, a
periodic reduced model is identified from the recorded response, and used for a stability
analysis conducted according to Floquet theory. Since only input-output sequences are
used, the approach is model-independent in the sense that it is applicable to wind turbine
simulation models of arbitrary complexity. The paper describes a formulation capable of …
In this work a method is described for the stability analysis of wind turbines. The method uses input-output time histories obtained by suitable excitations of the system. Next, a periodic reduced model is identified from the recorded response, and used for a stability analysis conducted according to Floquet theory. Since only input-output sequences are used, the approach is model-independent in the sense that it is applicable to wind turbine simulation models of arbitrary complexity. The paper describes a formulation capable of handling turbulent disturbances, and verifies its performance with the help of high fidelity numerical simulations.
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