Investigation on long-term extreme response of an integrated offshore renewable energy device with a modified environmental contour method

Liang Li, Zhi-Ming Yuan, Yan Gao, Xinshu Zhang and Tahsin Tezdogan

Renewable Energy, 2019, vol. 132, issue C, 33-42

Abstract: Considering the massive simulations required by the full long-term analysis, the environmental contour method is commonly used to predict the long-term extreme responses of an offshore renewable system during life time. Nevertheless, the standard environmental contour method is not applicable to the wind energy device due to the non-monotonic aerodynamic behaviour of the wind turbine. This study presents the development of a modified environmental counter method and its application to the extreme responses of a hybrid offshore renewable system. The modified method considers the variability of the responses by checking multiple contour surfaces so that the non-monotonic aerodynamic behaviour of the wind turbine is considered. The hybrid system integrates a floating wind turbine, a wave energy converter and two tidal turbines. Simulation results prove that the modified method has a better accuracy.

Keywords: Extreme response; Environmental contour method; Renewable energy; Floating wind turbine; Wave energy converter; Tidal turbine (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:132:y:2019:i:c:p:33-42

DOI: 10.1016/j.renene.2018.07.138

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