叶片材料特性对风电机组叶轮输出功率的影响
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摘要
为研究材料的不同对风电机组风轮输出功率的影响,分析了叶片气动力作用下的受力情况,基于1.5MW变桨距风电机组,设计了便于试验的100W叶片模型,利用GH Bladed软件对叶片模型轴向气动力进行数值计算,并通过ANSYS软件对轴向气动力作用下叶片的变形进行仿真,对外形相同材质不同的两套叶片输出功率进行测试。对比分析结果表明,在低风速段叶片的材料密度特性对叶片输出功率影响较为显著,而高风速时叶片的刚度特性是造成两组叶片输出功率不同的主要因素。
In order to study the effect of different materials on the output power of wind turbine,the force acting on the blade under aerodynamic action was analyzed.A 100 W blade model was designed to facilitate the experiment,which is based on1.5 MW variable pitch wind turbine. The axial aerodynamic force of the blade model is numerically calculated by using GH Bladed software,and the blade deformation under axial aerodynamic force is simulated by ANSYS software. The output power of two sets of blades with the same shape and different materials are tested. The results show that the material density characteristics of the blades at low wind speed have a significant effect on the blade output power,and the stiffness characteristics of the blades at high wind speed are the main factors causing the difference of the output power of the two groups of blades.
In order to study the effect of different materials on the output power of wind turbine,the force acting on the blade under aerodynamic action was analyzed.A 100 W blade model was designed to facilitate the experiment,which is based on1.5 MW variable pitch wind turbine. The axial aerodynamic force of the blade model is numerically calculated by using GH Bladed software,and the blade deformation under axial aerodynamic force is simulated by ANSYS software. The output power of two sets of blades with the same shape and different materials are tested. The results show that the material density characteristics of the blades at low wind speed have a significant effect on the blade output power,and the stiffness characteristics of the blades at high wind speed are the main factors causing the difference of the output power of the two groups of blades.
引文
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[2]苑泽南.风力发电机组叶轮的关键技术研究[D].沈阳:东北大学,2013.(Yuan Ze-nan.Research on the key technology of the wind turbine impeller[D].Shenyang:Northeastern Unibersity,2013.)
[3]郑小霞,叶聪杰,符杨.海上风电机组状态监测与故障诊断的发展和展望[J].化工自动化及仪表,2013,40(4):429-434.(Zheng Xiao-xia,Ye Cong-jie,Fu Yang.Development and prospect of offshore wind turbine condition monitoring and fault diagnosis[J].Control and Instruments in Chemical Industry,2013,40(4):429-434.)
[4]刘德顺,戴巨川,胡燕平.现代大型风电机组现状与发展趋势[J].中国机械工程,2013,24(1):125-135.(Liu De-shun,Dai Ju-chuan,Hu Yan-ping.Status and development trends of modern large-scale wind turbines[J].China Mechanical Engineering,2013,24(1):125-135.)
[5]王昊,范海哲,李帅斌.风力发电机叶片建模及有限元分析[J].上海电力学院学报,2016,32(3):257-260.(Wang Hao,Fan Hai-zhe,Li Shuai-bin.Modeling and FEM analysis of the wind turbine blade[J].Journal of Shanghai University of Electric Power,2016,32(3):257-260.)
[6]李志敏,李春,高伟.大型风力机复合材料叶片铺层设计及结构特性研究[J].现代制造工程,2014(3):5-9.(Li Zhi-min,Li Chun,Gao Wei.Research on lay-up design and structural analysis large-scale composite wind turbine blades[J].Modern Manufacturing Engineering,2014(3):5-9.)
[7]牟书香,陈淳,邱桂杰.碳纤维复合材料在风电叶片中的应用[J].新材料产业,2012(2):25-29.(Mou Shu-xiang,Chen Chun,Qiu Gui-jie.Application of carbon fiber composites in wind turbine blades[J].Advanced Materials Industry,2012(2):25-29.)
[8]马祥林,任婷,徐卫平.大型碳纤维复合材料风机叶片成型工艺与发展[J].纤维复合材料,2011(3):26-29.(Ma Xiang-lin,Ren Ting,Xu Wei-ping.The development and molding process of carbon fiber reinforced polymer in large wind turbine blades[J].Fiber Composites,2011,26(3):26-29+39.)
[9]陈恩灵.天然纤维材料在大型风电叶片制造中的应用[J].风能,2011(3):36-40.(Chen En-ling.The application of natural fiber materials in the manufacture of large wind power blades[J].Wind Energy,2011(3):36-40.)
[10]李明,田德,王海宽.变桨距风力发电机组叶片模型的载荷测试实验[J].太阳能学报,2013,34(9):1574-1578.(Li Ming,Tian De,Wang Haikuan.Load test experiment of variable pitch wind turbine rotor blade model[J].ACTA Energiae Solaris Sinica,2013(9):1574-1578.)
[11]Tian De,Wang Haikuan,Chen Songli.The theoretical analysis and the test of the concentrated wind energy turbine[C].Beijing:Proceedings of International Conference on Agricultural Engineering.1999:157-161.
[12]田德,刁明光,王海宽.浓缩风能型风力发电机三与四叶片叶轮的风洞实验研究[J].太阳能学报,2007,28(1):74-80.(Tian De,Diao Ming-guang,Wang Hai-kuan.Three&four blades impeller,s wind tunnel experiment study of concentrated wind energy turbine[J].Acta Energiae Solaris Sinica,2007,28(1):74-80.)