A review on recent advancements of substructures for offshore wind turbines

•This paper reviews the substructures for offshore wind turbines.•The latest development of wind energy is introduced.•Different types of substructures for offshore wind turbines are demonstrated.•The recent technologies for the suction bucket foundation are summarized.•Challenges and future trends...

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Bibliographic Details
Published in:Energy conversion and management 2018-02, Vol.158 (C), p.103-119
Main Authors: Wang, Xuefei, Zeng, Xiangwu, Li, Jiale, Yang, Xu, Wang, Haijun
Format: Article
Language:English
Subjects:
Bearing capacity
Computer simulation
Energy & Fuels
Field tests
Installation
Laboratory tests
Lateral loads
Mechanics
Offshore energy sources
Offshore operations
Offshore wind turbine (OWT)
Research method
Research methods
Reviews
Simulation
Substructures
Suction
Suction bucket foundation
Sustainable development
Technological change
Theoretical analysis
Thermodynamics
Transportation
Turbines
Vertical loads
Wind energy
Wind power
Wind turbines
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Summary:•This paper reviews the substructures for offshore wind turbines.•The latest development of wind energy is introduced.•Different types of substructures for offshore wind turbines are demonstrated.•The recent technologies for the suction bucket foundation are summarized.•Challenges and future trends of the suction bucket foundation are discussed. The sustainable development of offshore wind energy requires thorough investigations on technological issues. The substructure, which acts as the natural link between technologies and environments, is a critical topic for the offshore wind industry. This paper presents a comprehensive review of variable types of offshore wind substructures associate with their corresponding example projects. The study is complemented with a special attention to a novel foundation, namely suction bucket foundation. Main technological issues related to this concept are integrated. In the paper, bearing behaviors of offshore wind turbines (OWTs) with the suction bucket foundation under lateral loads, vertical loads, combined loads, and extreme loading conditions are discussed. Two installation methods are introduced. The geometric and improved design is illustrated by considering capabilities in transportation and installation. Research methods, including field tests, laboratory tests, centrifuge tests, theoretical analysis and numerical simulations, are listed; these methods are employed in previous studies to investigate behaviors of the OWT. This review integrates most relevant aspects and recent advancements together, which aims to provide a reference frame for future studies and projects.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2017.12.061