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Wind turbine overspeed protection based on polytopic robustly invariant sets (CROSBI ID 224482)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Hure Nikola ; Vašak, Mario ; Jelavić, Mate ; Perić, Nedjeljko Wind turbine overspeed protection based on polytopic robustly invariant sets // Wind energy, 19 (2016), 9; 1713-1731. doi: 10.1002/we.1948

Podaci o odgovornosti

Hure Nikola ; Vašak, Mario ; Jelavić, Mate ; Perić, Nedjeljko

engleski

Wind turbine overspeed protection based on polytopic robustly invariant sets

Complex mechanical systems, such as wind turbines, often include safety constraints which should not be violated in order to avoid high risk of structural damage. Adherence to the safety constraints is ensured with a well designed operating envelope protection. In this paper we present an invariant set- based protection concept with the application to the wind turbine overspeed protection. The approach is model-based and operates without wind- preview measurements. Instead, it is based on the evolution model of the wind disturbance in the worst-case scenario manner. Accurate system estimation utilizing the blade root in-plane measurement is proposed, along with the efficient algorithm for the hard real- time operation of the protection system. The overspeed protection system is validated in extensive simulations on extreme turbulent wind, performed in GH Bladed. The results show the effectiveness of the proposed concept compared to the baseline controller performance

wind turbine ; overspeed protection ; robustly controlled invariant set ; state estimation ; real-time algorithm ; damage equivalent loads analysis

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Podaci o izdanju

19 (9)

2016.

1713-1731

objavljeno

1095-4244

10.1002/we.1948

Povezanost rada

Elektrotehnika, Temeljne tehničke znanosti

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