Wake Effects on A Hybrid Semi-Submersible Floating Wind Farm with Multiple Hub Heights

XU Xiao-sen; GU Jia-yang; LING Hong-jie; YANG Pu-yi; WANG Shuai-shuai; XING Yi-han; Oleg GAIDAI; ZHANG Zhong-yu

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Wake Effects on A Hybrid Semi-Submersible Floating Wind Farm with Multiple Hub Heights

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Wind farms generally consist of a single turbine installed with the same hub height. As the scale of turbines increases,wake interference between turbines becomes increasingly significant, especially for floating wind turbines(FWT).Some researchers find that wind farms with multiple hub heights could increase the annual energy production(AEP),while previous studies also indicate that wake meandering could increase fatigue loading. This study investigates the wake interaction within a hybrid floating wind farm with multiple hub heights. In this study, FAST.Farm is employed to simulate a hybrid wind farm which consists of four semi-submersible FWTs(5MW and 15MW) with two different hub heights. Three typical wind speeds(below-rated, rated, and over-rated) are considered in this paper to investigate the wake meandering effects on the dynamics of two FWTs. Damage equivalent loads(DEL) of the turbine critical components are computed and analyzed for several arrangements determined by the different spacing of the four turbines. The result shows that the dynamic wake meandering significantly affects downstream turbines’ global loadings and load effects. Differences in DEL show that blade-root flapwise bending moments and mooring fairlead tensions are sensitive to the spacing of the turbines.

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《中国海洋工程：英文版》 |2023年第1期|101-114|共14页
作者
XU Xiao-sen; GU Jia-yang; LING Hong-jie; YANG Pu-yi; WANG Shuai-shuai; XING Yi-han; Oleg GAIDAI; ZHANG Zhong-yu;
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作者单位

Marine Equipment and Technology Institute University of Science and Technology 212100;

Department of Mechanical and Civil Engineering Institute of Technology 32901 States;

Department of Marine Technology University of Science and Technology 7491;

Department of Mechanical and Structural Engineering and Materials Science of Stavanger 4021;

College of Engineering Science and Technology Ocean Engineering 201306;

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原文格式 PDF
正文语种 chi
中图分类水利工程基础科学;
关键词
hybrid floating wind farm; wake meandering; multiple hub heights; floating wind turbine; FAST.Farm; fatigue;

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1. Exergy Analysis of Single Array Wind Farm Using Wake Effects [J] . A. Jeya Saravanan ,C. P. Karthikeyan ,Anand A. Samuel . 工程（英文）（1947-3931） . 2011,第9期

Wake Effects on A Hybrid Semi-Submersible Floating Wind Farm with Multiple Hub Heights

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