摘要
利用WindSim软件结合湖南某风电场一年实地测风数据,对风电场开展风资源研究。分析山区地形地势对风电场整体风资源利用的影响;再根据风电机组运行数据,分析风电机组排布对发电量的影响。结果表明:主体山脉垂直于主导风向,月平均风速均在7m/s以上,山脊90m高度处风功率密度在200W/m^(2)以上,是风电机组的最佳排布位置,间距大于500m时,能较好地降低尾流效应的影响。Ishihara尾流模型下计算发电量与实际发电量相对偏差的均方差为0.0049,绝对偏差平均值为9.06%,可靠性高,能更加准确地进行发电量评估。同时为降低尾流效应对风电机组的影响,需在风电场设计阶段适当调整主导风向上风电机组的排布位置。
Using WindSim software combined with measured one year wind data in Hunan wind farm,the wind resource research of wind farm was carried out.The influence of mountainous terrain on the overall wind resource utilization of the wind farm is analyzed.According to the operation data of wind turbines,the influence of wind turbine arrangement on power generation is analyzed.The results show that the main mountain is perpendicular to the dominant wind direction,the monthly average wind speed is more than 7m/s,and the wind power density at the height of 90m ridge is more than 200w/m^(2),which is the best arrangment of wind turbines,and the spacing of more than 500m can better reduce the influence of the wake flow effect.Under the Ishihara wake model,the mean square error of the relative deviation between the calculated power generation and the actual power generation is 0.0049,and the average value of the absolute deviation is 9.06%,which has high reliability and can more accurately evaluate the power generation.At the same time,in order to reduce the impact of the wake flow effect on WTGs,it is necessary to appropriately adjust the location of WTGs in the dominant wind direction during the design of the wind farm.
作者
刘诗琴
赵斌
马海鹏
梁会森
张立栋
Shi-qin Liu;Bin Zhao;Hai-peng Ma;Hui-sen Liang;Li-dong Zhang(College of Energy and Power Engineering,Changsha University of Science&Technology;Concorde New Energy Group Co.Ltd.;School of Energy and Power Engineering,Northeast Electric Power University)
出处
《风机技术》
2025年第1期67-75,共9页
Chinese Journal of Turbomachinery
基金
湖南省自然科学基金(2023JJ30048)
湖南省教育厅重点项目(22A0217)。
关键词
风资源特性
山地风电场
WindSim模拟
风电机组排布
Wind Resource Characteristics
Mountain Wind Farm
WindSim Simulation
Wind Turbine Arrangement
