Review of Wave Energy Converter and Design of Mooring System
sustainability Review Review of Wave Energy Converter and Design of Mooring System Dongsheng Qiao 1, Rizwan Haider 1, Jun Yan 1,*, Dezhi Ning 1 and Binbin Li 2 1 State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China; qiaods@dlut.edu.cn (D.Q.); rizwanhaider@mail.dlut.edu.cn (R.H.); dzning@dlut.edu.cn (D.N.) 2 Sortec Offshore Pte. Ltd., Singapore 677670, Singapore; binbin.li@sortecoffshore.com * Correspondence: junyan@dlut.edu.cn Received: 12 September 2020; Accepted: 4 October 2020; Published: 7 October 2020 Abstract: In recent decades, the emphasis on renewable resources has grown considerably, leading to significant advances in the sector of wave energy. Nevertheless, the market cannot still be considered as commercialized, as there are still other obstacles in the mooring system for wave energy converters (WECs). The mooring system must be designed to not negatively impact the WEC’s efficiency and reduce the mooring loads. Firstly, the overview of the types of wave energy converters (WECs) are classified through operational principle, absorbing wave direction, location, and power take-off, respectively, and the power production analysis and design challenges of WECs are summarized. Then, the mooring materials, configurations, requirements, and the modeling approaches for WECs are introduced. Finally, the design of mooring systems, including the design considerations and standards, analysis models, software, current research focus, and challenges are discussed. Keywords: ocean wave energy; wave energy converter; mooring system; design analysis 1. Introduction The sea surface waves provide a large amount of green energy and could make an enormous difference to global energy demands going toward the sustainable world.
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