Optimal Design Method for Wind Turbine Blades Considering Aerofoil of Cross-section

Yongqian LIU; Fuxing LAI; Jie YAN; Zixin CHEN; Li LI; Shuang HAN; Yong WANG

doi:10.12096/j.2096-4528.pgt.19031

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Optimal Design Method for Wind Turbine Blades Considering Aerofoil of Cross-section

New and Renewable Energy | 更新时间：2025-07-04

- Optimal Design Method for Wind Turbine Blades Considering Aerofoil of Cross-section
- Power Generation Technology Vol. 40, Issue 4, Pages: 382-388(2019)
- 作者机构：
  
  1.新能源电力系统国家重点实验室(华北电力大学), 北京市昌平区 102206
  2.中国大唐集团有限公司赤峰分公司, 内蒙古自治区赤峰市 024000
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(51377011);National Key Research and Development Program of China(2017YFE0109000)
- DOI：10.12096/j.2096-4528.pgt.19031
  CLC：
- Received：12 March 2019，
  
  Published：31 August 2019
- 稿件说明：
移动端阅览
Yongqian LIU, Fuxing LAI, Jie YAN, et al. Optimal Design Method for Wind Turbine Blades Considering Aerofoil of Cross-section[J]. Power Generation Technology, 2019, 40(4): 382-388.
DOI：

Yongqian LIU, Fuxing LAI, Jie YAN, et al. Optimal Design Method for Wind Turbine Blades Considering Aerofoil of Cross-section[J]. Power Generation Technology, 2019, 40(4): 382-388. DOI： 10.12096/j.2096-4528.pgt.19031.

摘要

传统叶片优化设计中缺乏对截面翼型的考虑，导致叶片设计难以达到最优效果。为解决此问题，提出了考虑不同截面翼型的风电机组叶片优化设计方法，以截面翼型、弦长和扭角为设计变量，以年发电量最大化为目标，兼顾考虑相对厚度和相对弯度限制，建立了叶片参数设计遗传算法优化模型。以某1.5 MW风电机组为例，验证所提出优化设计方法的有效性。结果表明：考虑截面翼型等参数优化后的叶片功率系数明显增大；机组特性曲线在较大范围内均能保持在最佳功率系数附近，更易控制在最大风能捕捉效率点运行，从而提升了年发电量；同时，增加考虑相对厚度和相对弯度限制以更贴近实际工程应用。

Abstract

Most traditional methods for optimizing the blade design have no consideration on the aerofoils of cross-section

which makes the blade design difficult to achieve the optimal solution. To solve this problem

this paper proposed an optimal design method for wind turbine blades considering different cross-section aerofoils. The proposed method took cross-section aerofoils

chord length and torsion angle as design variables

takeing relative thickness and relative camber constraints into consideration and aimed at maximizing annual energy production. Genetic algorithm model for optimizing the design parameters of blades was established. Taking a 1.5 MW wind turbine as example

the proposed design method was verified. The results show that the power coefficient of the optimized blade has been significantly improved by considering the cross-section aerofoils; the power coefficient of wind turbine can be maintained around the optimal value

which makes it easier to control the wind turbine to tracking the power curve and capture the maximum wind energy; and also the annual energy production is increased. At the same time

taking relative thickness and relative camber constraints into consideration makes the method closer to the actual engineering application.

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