考虑RNA运行作用的近海风电结构主动质量阻尼器振动控制研究

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振动与冲击 ›› 2023, Vol. 42 ›› Issue (23) : 183-191.

论文

白久林1, 2，李晨辉3，王宇航1, 2

作者信息 +

Active mass damper vibration control of offshore wind turbine structure considering RNA operation

BAI Jiulin1,2,LI Chenhui3,WANG Yuhang1,2

Author information +

文章历史 +

摘要

由于风电塔上部的风轮-机舱组件(Rotor-Nacelle Assembly, RNA)在运行状态中的非线性控制策略，风电塔顶加速度频响特征复杂，其中风轮3倍转频激励(3P)响应最为突出。本文考虑一种单自由度等效风电塔模型，通过OpenFAST软件确定RNA运行作用下的结构动力参数与气动荷载，开展了基于线性二次型调节(Linear Quadratic Regulator, LQR)算法的主动质量阻尼器(Active Mass Damper, AMD)对风电塔顶前后向加速度响应的控制研究，以被动调谐质量阻尼器(Tuned Mass Damper, TMD)为对照考察了AMD的减振性能与控制特点。结果表明：在RNA运行作用下，AMD具有比TMD更好的控制表现，其控制作用可一定程度抑制3P频段的响应。

Abstract

Due to the nonlinear control strategy of the wind turbine-nacelle assembly (RNA) in the upper part of the wind turbine, the acceleration response characteristics of the wind turbine tower top are complex, among which the 3-fold rotational excitation (3P) response of the wind turbine is the most prominent. This paper considered a single-degree-of-freedom equivalent wind turbine tower model, determined the structural dynamic parameters and input aerodynamic loads under RNA operation by OpenFAST, and carried out the control of wind turbine top for-aft acceleration response by Active Mass Damper (AMD) based on Linear Quadratic Regulator (LQR) algorithm. The damping performance and control characteristics of AMD were investigated in comparison with the passive tuned mass damper (TMD). The results show that AMD has better control performance than TMD under the action of RNA operation, and its control action can suppress the response of 3P band to some extent.

导出引用

白久林1, 2，李晨辉3，王宇航1, 2. 考虑RNA运行作用的近海风电结构主动质量阻尼器振动控制研究[J]. 振动与冲击, 2023, 42(23): 183-191

BAI Jiulin1,2,LI Chenhui3,WANG Yuhang1,2. Active mass damper vibration control of offshore wind turbine structure considering RNA operation[J]. Journal of Vibration and Shock, 2023, 42(23): 183-191

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