考虑台风时空变异性的15 MW海上风电机组来流风速场研究  

Wind speed field of 15 MW offshore wind turbines considering typhoon spatiotemporal variability

作　　者：王浩[1,2] 吕志童 信志强 柯世堂[3] 王同光 许波峰[4] WANG Hao;L Zhitong;XIN Zhiqiang;KE Shitang;WANG Tongguang;XU Bofeng(Department of Engineering Mechanics,Hohai University,Nanjing 211100,China;Key Laboratory of Ministry of Education for Coastal Disaster and Protection,Hohai University,Nanjing 210098,China;Jiangsu Key Laboratory of Hi-Tech Research for Wind Turbine Design,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;Jiangsu Province Wind Power Structural Engineering Research Center,Hohai University,Nanjing 211100,China)

机构地区：[1]河海大学工程力学系,南京211100 [2]河海大学海岸灾害及防护教育部重点实验室,南京210098 [3]南京航空航天大学江苏省风力机设计高技术研究重点实验室,南京210016 [4]河海大学江苏省风电机组结构工程研究中心,南京211100

出　　处：《振动与冲击》2024年第22期253-260,共8页Journal of Vibration and Shock

基　　金：国家自然科学基金(52308498);江苏省自然科学基金(BK20220976);中国博士后科学基金(2022M721002);河海大学海岸灾害及防护教育部重点实验室开放基金(202207);江苏风力发电工程技术中心开放基金(ZK22-03-05)。

摘　　要：已有针对大型海上风电机组的抗台风安全研究较少考虑对同一机组台风过境全过程的影响和同一时刻海上风电场不同机组的影响。然而,实际上台风具有显著的时空变异特征,随着海上风电机组日益朝着高大化趋势发展,有必要重新审视台风时空变异性对大型海上风电机组结构安全性的影响。以未来主流大型海上风电机组(15 MW海上风电机组)和主流海上风电场规模为研究对象,基于气象实测数据和台风多阶段风速场数据驱动模型获取了台风“威马逊”(1409)的台风致风速场时空变异特征,并反演了台风“威马逊”影响下同一时刻不同机组和同一机组不同时刻的15 MW海上风电机组的来流风速场,并开展了相应的极值对比分析。研究结果表明,台风时空变异性对海上风电机组的来流风速场影响显著,将导致同一风电场内的不同机组来流风速可能存在量级差异,也意味着相同设计标准下的风电机组在同一台风影响下会存在截然不同的结构安全表现。通过对台风时空变异特征及其引起的来流风速场进行研究,阐明了这些因素对大型海上风电机组结构抗台风安全性影响的重要性,可为面向我国海域的大型海上风电机组安全设计提供参考依据。Existing research on the anti-typhoon safety of large offshore wind turbines rarely considers the impact of the entire typhoon transit process on a single wind turbine and the impact of that on different wind turbines in the offshore wind farm at the same time.However,typhoons have significant spatiotemporal variability.As offshore wind turbines develop increasingly towards taller structures,it is necessary to re-examine the impact of typhoon spatiotemporal variability on the structural safety of large offshore wind turbines.The future mainstream large-scale offshore wind turbines,i.e.15 MW offshore wind turbines,and the scale of mainstream offshore wind farms were taken as the research objects,and the spatial and temporal variation characteristics of the inflow wind speed fields of the 15 MW offshore wind turbines during typhoon“Rammason”(1409)attack were obtained based on the meteorological measured data and typhoon multi-stage wind speed field data-driven model in this paper.On this basis,the inflow wind speed fields of the 15 MW offshore wind turbines at different conditions under the influence of typhoon“Rammason”were inversely derived,and the comparative analyses on the extreme values were carried out.The research results show that the spatiotemporal variability of typhoons has a significant impact on the inflow wind speed field of offshore wind turbines,which will lead to the inflow wind speed of different wind turbines in the same wind farm being different in magnitude by orders.As a result,the wind turbines under the same design standard will have completely different structural safety performance under the influence of the same typhoon.By studying the spatiotemporal variation characteristics of the typhoon and the corresponding induced wind speed fields,the paper illustrates the importance of these factors on the safety of large offshore wind turbines,which provides a reference for the safety design of large offshore wind turbines in China waters.

关 键 词：海上风电 台风时空变异性 风电机组 风速场 极值风速 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]