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Modelling and analysis of controlled aeroelastic tailoring blade wind turbine

机译:受控气动弹性剪裁叶片风力机的建模与分析

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摘要

Modelling and performance analysis of wind turbine control systems with aeroelastic tailoring blades (ATBs) are investigated. An industrial scale horizontal axis wind turbine (HAWT) model with rigid blades is firstly developed as the baseline model using the blade element momentum (BEM) theory. Designed twist angle variation distributions along blades are then introduced to the baseline model to characterise the ATB nature. The developed ATB wind turbine models are analysed by employing a baseline control system. The performances of the ATB wind turbine systems are compared with that of the baseline turbine using both nonlinear models and linearised models at selected wind speeds. The impacts of ATB design can be clearly observed from the simulation studies. Preliminary results suggest that with ATB design in wind turbines, the blade fatigue loads and the pitching activities can be reduced for large turbines without compromising the energy capture performance.
机译:研究了具有气动弹性剪裁叶片(ATB)的风力涡轮机控制系统的建模和性能分析。首先使用叶片单元动量(BEM)理论将具有刚性叶片的工业规模水平轴风力涡轮机(HAWT)模型作为基线模型。然后将沿叶片设计的扭曲角变化分布引入基线模型,以表征ATB的特性。通过使用基线控制系统来分析已开发的ATB风力涡轮机模型。在选定的风速下,使用非线性模型和线性化模型将ATB风力发电机系统的性能与基线风力发电机的性能进行了比较。从仿真研究中可以清楚地看到ATB设计的影响。初步结果表明,通过在风力涡轮机中使用ATB设计,可以在不影响能量捕获性能的情况下减少大型涡轮机的叶片疲劳载荷和变桨活动。

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