风力发电机组塔架减振控制策略设计

兰杰; 林淑; 付斌; 岳伟

doi:10.16513/j.2096-2185.DE.2106522

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分布式能源 ›› 2021, Vol. 6 ›› Issue (3) : 55-62. DOI: 10.16513/j.2096-2185.DE.2106522

应用技术

风力发电机组塔架减振控制策略设计

作者信息 +

Wind Turbine Tower Vibration Reduction Control Strategy Design

Author information +

文章历史 +

摘要

大型变速变桨风力发电机组塔架减振控制对延长风电机组整机运行寿命和保障机组安全稳定运行具有十分重要意义，为此提出一种塔架阻尼器反馈控制减振方法。在对塔架受力分析及建模的基础上，建立了塔架系统的运动方程，并对塔架振动原因进行分析，得到引起振动的重要因素，通过设计塔架阻尼器反馈控制来抑制塔架振动。以某国产2 MW机组为例，通过仿真验证可知，此方法能够增加塔架一阶振动模态的阻尼，保障机组获得足够的稳定裕量，变桨距执行机构所受疲劳载荷减小，有效保障机组在额定风速以上发电时，塔架顶部的振动位移减小、塔底载荷降低，在一定程度上提高了机组寿命。

Abstract

For a large variable speed variable pitch (VSVP) wind turbine, tower damping control is of great significance for extending the operating life and ensuring stable operation of the wind turbine. For this purpose, a feedback control method for damping of tower damper was designed. Based on the analysis and modeling of the tower's forces, the motion equation of the tower system was established, and the reason for the tower vibration was analyzed to obtain the important factors that cause the vibration. The feedback control of the tower damper was designed to suppress the tower vibration. Taking 2 MW wind turbine as an example, the simulation results show that this method can increase the damping of the tower's first-order vibration mode, ensure that the wind turbine has enough stability margin, and reduce the fatigue load of the variable pitch actuator. When the wind turbine is operating above the rated wind speed, the vibration displacement of the tower top and the tower bottom load is effectively reduced, then the life of wind turbine is increased.

导出引用

兰杰, 林淑, 付斌, 等. 风力发电机组塔架减振控制策略设计[J]. 分布式能源. 2021, 6(3): 55-62 https://doi.org/10.16513/j.2096-2185.DE.2106522

Jie LAN, Shu LIN, Bin FU, et al. Wind Turbine Tower Vibration Reduction Control Strategy Design[J]. Distributed Energy Resources. 2021, 6(3): 55-62 https://doi.org/10.16513/j.2096-2185.DE.2106522

中图分类号： TK83

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