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Offshore Wind Energy Conversion System Connected to the Electric Grid: Modeling and Simulation

Abstract : This paper is on modeling and simulation for an offshore wind system equipped with a semi-submersible floating platform, a wind turbine, a permanent magnet synchronous generator, a multiple point clamped four level or five level full-power converter, a submarine cable and a second order filter. The drive train is modeled by three mass model considering the resistant stiffness torque, structure and tower in deep water due to the moving surface elevation. The system control uses PMW by space vector modulation associated with sliding mode and proportional integral controllers. The electric energy is injected into the electric grid either by an alternated current link or by a direct current link. The model is intend to be a useful tool for unveil the behavior and performance of the offshore wind system, especially for the multiple point clamped full-power converter, under normal operation or under malfunctions.
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Mafalda Seixas, Rui Melício, Victor Mendes. Offshore Wind Energy Conversion System Connected to the Electric Grid: Modeling and Simulation. 7th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS), Apr 2016, Costa de Caparica, Portugal. pp.387-403, ⟨10.1007/978-3-319-31165-4_37⟩. ⟨hal-01438265⟩

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