风电叶片载荷稳定性优化设计方法研究

游慧鹏; 李国华; 张一楠; 高猛; 孙安康; 郑冰

doi:10.19912/j.0254-0096.tynxb.2025-0097

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (6) : 327-333. DOI: 10.19912/j.0254-0096.tynxb.2025-0097

风电叶片载荷稳定性优化设计方法研究

游慧鹏¹, 李国华^1,2, 张一楠^1,2, 高猛¹, 孙安康¹, 郑冰¹

作者信息 +

RESEARCH ON OPTIMIZATION METHOD FOR LOAD STABILITY OF WIND TURBINE BLADES

You Huipeng¹, Li Guohua^1,2, Zhang Yi'nan^1,2, Gao Meng¹, Sun Ankang¹, Zheng Bing¹

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文章历史 +

摘要

通过优化叶片的气动外形和结构设计提供一种降载方法。采用GH-Bladed计算平台验证6.25 MW风电叶片性能和机组载荷。研究发现,减小叶片迎风面积可有效降低叶片的载荷水平;减小叶片弦长对降低叶片根部载荷的影响最为显著,而减小叶片相对厚度对降低载荷的效果并不显著,减小叶片相对厚度是一种提高气动性能降低载荷的有效手段。此外,主梁厚度可改变叶片刚度进而影响叶片挥舞方向的变形,通过调整叶片主梁的厚度来释放集中应力进而扩大叶片挥舞变形可实现叶片的降载。

Abstract

A load reduction method was provided by optimizing the aerodynamic configuration and structural design of the blades in this paper. The GH-Bladed computing platform was used to verify the blade performance and turbine load based on 6.25 MW wind turbine. The study finds that reducing the blade chord length has the most significant effect on reducing the blade root load, while the effect of reducing thickness on load reduction is not prominent. However, reducing blade thickness is a convenient method to improve aerodynamic performance while also weakening load. In addition, the laying thickness of the spar cap structure can change the blade flapwise stiffness to affect flapwise deformation. Expanding the blade flapwise deformation by adjusting the thickness of the blade spar cap to release concentrated stress is a novel method to promote the reduction of blade load generation.

导出引用

游慧鹏, 李国华, 张一楠, 高猛, 孙安康, 郑冰. 风电叶片载荷稳定性优化设计方法研究[J]. 太阳能学报. 2026, 47(6): 327-333 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0097

You Huipeng, Li Guohua, Zhang Yi'nan, Gao Meng, Sun Ankang, Zheng Bing. RESEARCH ON OPTIMIZATION METHOD FOR LOAD STABILITY OF WIND TURBINE BLADES[J]. Acta Energiae Solaris Sinica. 2026, 47(6): 327-333 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0097

中图分类号： TK83

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