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Dynamic response and power production of a floating integrated wind, wave and tidal energy system

Li, Liang and Gao, Yan and Yuan, Zhiming and Day, Sandy and Hu, Zhiqiang (2018) Dynamic response and power production of a floating integrated wind, wave and tidal energy system. Renewable Energy, 116 (Part A). pp. 412-422. ISSN 0960-1481

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Abstract

This study deals with the hydro-aero-mooring coupled dynamic analysis of a new offshore floating renewable energy system, which integrates an offshore floating wind turbine (OFWT), a wave energy converter (WEC) and tidal turbines. The primary objective is to enhance the power production and reduce the platform motions through the combination of the three types of renewable energy systems. Simulation results show that the combined concept achieves a synergy between the floating wind turbine, the wave energy converter and the tidal turbines. Compared with a single floating wind turbine, the combined concept undertakes reduced surge and pitch motions. The overall power production increases by approximately 22%e45% depending on the environmental conditions. Moreover, the power production of the wind turbine is more stable due to the reduced platform motions and the combined concept is less sensitive to the transient effect induced by an emergency shutdown of the wind turbine