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

Lookup NU author(s): Professor Zhiqiang Hu

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).

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%-45% 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.

Publication metadata

Author(s): Li L, Gao Y, Yuan Z, Day S, Hu Z

Publication type: Article

Publication status: Published

Journal: Renewable Energy

Year: 2018

Volume: 116

Issue: Part A

Pages: 412-422

Print publication date: 01/02/2018

Online publication date: 29/09/2017

Acceptance date: 16/09/2017

Date deposited: 03/10/2017

ISSN (print): 0960-1481

ISSN (electronic): 1879-0682

Publisher: Pergamon Press

URL: https://doi.org/10.1016/j.renene.2017.09.080

DOI: 10.1016/j.renene.2017.09.080

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