Extending the dynamic wake meandering model in HAWC2Farm: a comparison with field measurements at the Lillgrund wind farm

IF 3.6 Q3 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
J. Liew, T. Göçmen, A. Lio, G. Larsen
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引用次数: 0

Abstract

Abstract. With the increasing growth of wind farm installations, the impact of wake effects caused by wind turbines on power output, structural loads, and revenue has become more relevant than ever. Consequently, there is a need for precise simulation tools to facilitate efficient and cost-effective design and operation of wind farms. To address this need, we present HAWC2Farm, a dynamic and versatile aeroelastic wind farm simulation methodology that combines state-of-the-art engineering models to accurately capture the complex physical phenomena in wind farms. HAWC2Farm employs the aeroelastic wind turbine simulator, HAWC2, to model each individual turbine within the wind farm. It utilises a shared, large-scale turbulence box to represent atmospheric flow field effects at the farm level. The methodology incorporates a modified version of the dynamic wake meandering model to accurately capture wake interactions. This approach not only ensures computational efficiency but also provides valuable insights for wind farm design and operation. To assess its performance, HAWC2Farm is compared using time series extracted from field measurements at the Lillgrund wind farm, encompassing various scenarios involving wake steering via yaw control and a turbine shutdown. The results indicate that HAWC2Farm effectively addresses the challenges associated with modelling the complex dynamics within wind farms, thereby enabling more precise, informed, and cost-effective design and operation strategies.
HAWC2Farm中动态尾流弯曲模型的扩展:与Lillgrund风电场的现场测量结果的比较
摘要随着风电场装机的不断增长,风力涡轮机引起的尾流效应对功率输出、结构负载和收入的影响比以往任何时候都更加重要。因此,需要精确的模拟工具来促进风电场的高效和成本效益的设计和运营。为了满足这一需求,我们提出了HAWC2Farm,这是一种动态且通用的气动弹性风电场模拟方法,它结合了最先进的工程模型,以准确捕捉风电场中的复杂物理现象。HAWC2Farm采用气动弹性风力涡轮机模拟器HAWC2对风电场内的每个单独的涡轮机进行建模。它利用一个共享的大型湍流箱来表示农场层面的大气流场效应。该方法结合了动态尾流弯曲模型的修改版本,以准确捕捉尾流相互作用。这种方法不仅确保了计算效率,而且为风电场的设计和运营提供了有价值的见解。为了评估其性能,使用从Lillgrund风电场的现场测量中提取的时间序列对HAWC2Farm进行了比较,包括通过偏航控制和涡轮机停机进行尾流转向的各种场景。结果表明,HAWC2Farm有效地解决了与风电场内复杂动力学建模相关的挑战,从而实现了更精确、更知情、更具成本效益的设计和运营策略。
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来源期刊
Wind Energy Science
Wind Energy Science GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY-
CiteScore
6.90
自引率
27.50%
发文量
115
审稿时长
28 weeks
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