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A simple method for modelling fatigue spectra of small wind turbine blades
Wind Energy ( IF 4.1 ) Pub Date : 2020-11-05 , DOI: 10.1002/we.2588
Samuel Evans 1 , Scott Dana 2 , Philip Clausen 1 , David Wood 3
Affiliation  

Small‐scale wind turbines have market opportunities in distributed energy generation applications but face future challenges in remaining cost competitive compared with solar photovoltaic systems. High unit costs can be attributed to design conservatism when calculating fatigue loads of key structural components such as the blades. In this study, we use the aeroelastic software FAST to highlight limitations of the International Electrotechnical Commission 61400‐2:2013 small wind turbine design standard for calculating fatigue life using the simplified load model. We present a modified method for calculating the fatigue spectra of small wind turbine blades. An advantage of this method is that it does not require complex aeroelastic simulations or field measurements. This modified method is intended to be implemented early in the blade design stage, such as during rotor optimization simulations, allowing for multiple rotor configurations to be rapidly compared.

中文翻译:

小型风力涡轮机叶片疲劳谱建模的简单方法

小型风力涡轮机在分布式能源发电应用中具有市场机会,但与太阳能光伏系统相比,在保持成本竞争力方面面临着未来的挑战。计算关键结构部件(例如叶片)的疲劳载荷时,较高的单位成本可归因于设计保守性。在这项研究中,我们使用气动弹性软件FAST来强调国际电工委员会61400-2:2013小型风力发电机设计标准的局限性,该标准使用简化的负荷模型来计算疲劳寿命。我们提出了一种用于计算小型风力涡轮机叶片疲劳谱的改进方法。这种方法的优点是它不需要复杂的空气弹性模拟或现场测量。此修改方法旨在在叶片设计阶段的早期实施,
更新日期:2020-11-05
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