Passive inerter-based network self-induced oscillations damping for spar-buoy floating offshore wind turbines

• Autores: Sandra Piernikowska, María Tomás Rodríguez
• Localización: WWME 2023 V. Jardunaldia - Itsas energiako sistemen aurrerapen berriei buruzko irakaskuntza-oharrak / Aitor J. Garrido Hernández (ed. lit.), Matilde Santos Peñas (ed. lit.), Izaskun Garrido Hernandez (ed. lit.), 2024, ISBN 978-84-09-58971-5, págs. 37-43
• Idioma: inglés
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• Resumen

  • This contribution analyses the influence of a passive inerter-based network on the stability of the 5MW NREL FOWT with a spar-buoy foundation when the system is subjected to the specific problem of self-induced oscillations. In this work, the idea of incorporating an inerter-based network with a classic tuned mass damper (TMD) in the nacelle is explored. The main objective is to show the effectiveness of the introduced network and demonstrate its benefit in the reduction of the oscillation amplitude when self-induced instabilities occur in comparison to the model equipped with TMD-only. It was demonstrated that the inerter-based network reduces the oscillation amplitude by over 90% and assures system stability when the loss of platform damping occurs.