尾流干扰抑制策略对双风力发电机气动性能影响  

Impact of Wake Interference Suppression Strategies on the Aerodynamic Performance of Twin Wind Turbines

作　　者：石柳提 陈云辉 涂佳黄[1,2] SHI Liuti;CHEN Yunhui;TU Jiahuang(School of Civil Engineering,Xiangtan University,Xiangtan 411105,Hunan,China;School of Transportation and Civil Engineering,Foshan University,Foshan 528225,Guangdong,China)

机构地区：[1]湘潭大学土木工程学院,湖南湘潭411105 [2]佛山大学交通与土木建筑学院,广东佛山528225

出　　处：《南方能源建设》2025年第2期79-96,共18页Southern Energy Construction

基　　金：广东省基础与应用基础研究基金“新型浮式多水平轴风力机平台耦合运动效应预测研究”(2022A1515240077)。

摘　　要：[目的]以NREL-5MW风力发电机为研究对象,采用基于对上游风力发电机偏航角(θ)与下游风力发电机塔架高差(ΔH)以及横向间距(Δy)的单一及组合的控制策略,研究两风机之间的复杂尾流干扰效应。[方法]通过数值模拟两风机的部分尾流相互干扰现象分析两风机的气动功率、尾流平均速度以及尾流干扰效应提高整个风电场发电效率。[结果]研究结果表明:实施组合策略时,尤其是在θ=20°的基础上,调整横向间距Δy=4D和Δy=8D时,风力发电机的整体功率及其提升比实现了最大化。[结论]通过改变上游风力发电机的偏航角或者上下游风机错列布置等尾流效应抑制策略,降低上游风力发电机的功率输出,改善上游风力发电机尾流的效应,可以提高下游风力发电机的气动功率输出,提高风力发电机整体发电功率,较大幅度地提高风力发电机的发电效率,为大规模风电场的布置优化提供了一定的数值模拟支撑。[Objective]The paper takes the NREL-5MW wind turbine as the research object,adopts the control strategy based on the single and combination of the yaw angle(θ)of the upstream wind turbine and the tower height(ΔH)difference of the downstream wind turbine as well as the lateral spacing(Δy),researches the complex wake interference effect between the two wind turbines.[Method]Numerically simulated the part of the wake interfering phenomenon between the two wind turbines,analyzed the aerodynamic power of the two wind turbines,the average speed of the wake flow,and the effect of the wake interference to improve the power generation of the whole wind power field efficiency of the whole wind farm.[Result]The results show that the overall power of the wind turbine and its enhancement ratio are maximized when the combined strategy is implemented,especially when adjusting the lateral spacingΔy=4D orΔy=8D on the basis ofθ=20°.[Conclusion]By changing the yaw angle of the upstream wind turbine or the upstream and downstream wind turbines staggered arrangement and other wake effect inhibition strategies,the power output of the upstream wind turbine is reduced and the effect of the wake of the upstream wind turbine is improved,which can improve the aerodynamic power output of the downstream wind turbine and the overall power generation of the wind turbine,and improve the power generation efficiency of the wind turbine in a relatively large scale,and provide a certain degree of numerical simulation for the optimization of the arrangement of large-scale wind farms support.

关 键 词：串列双风力发电机 尾流干扰作用 发电功率 气动性能 优化分析 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程] TM614[电气工程—电力系统及自动化]