风、浪对海上风电机组振动特性的影响及控制策略

TM614%P743.2; 建立了波浪模型,分析了风力机气动载荷和气动转矩中与水动频率相关的脉动分量产生的原因,并基于GH Bladed平台仿真验证了这种脉动的存在性.为减小这种脉动以及风切变和塔影效应对风力机产生的影响,将积分后的塔顶振动加速度信号与统一变桨距参考信号叠加,减小统一变桨距信号,结合风力机输出功率的3倍频风轮旋转频率(3P)脉动分量以及每支叶片的方位角将其转换为该叶片的桨距角调节信号,实现变桨距控制.仿真结果表明,所提变桨距控制策略不仅能有效平缓风、浪引起的海上风力机叶根挥舞载荷的脉动,还能明显减小其气动转矩以及输出功率的波动,在减小风轮疲劳载荷的同时提高了海上风力机的输出电能...

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Published in电力自动化设备 Vol. 40; no. 1; pp. 46 - 58
Main Authors 刘皓明, 赵敏, 田炜, 杨苏翔, 许波峰, 袁晓玲
Format Journal Article
LanguageChinese
Published 河海大学能源与电气学院,江苏南京,211100 10.01.2020
Subjects
气动转矩
减振
波浪力
变桨距控制
气动载荷
风力
Online AccessGet full text
ISSN1006-6047
DOI10.16081/j.epae.201912029

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Abstract TM614%P743.2; 建立了波浪模型,分析了风力机气动载荷和气动转矩中与水动频率相关的脉动分量产生的原因,并基于GH Bladed平台仿真验证了这种脉动的存在性.为减小这种脉动以及风切变和塔影效应对风力机产生的影响,将积分后的塔顶振动加速度信号与统一变桨距参考信号叠加,减小统一变桨距信号,结合风力机输出功率的3倍频风轮旋转频率(3P)脉动分量以及每支叶片的方位角将其转换为该叶片的桨距角调节信号,实现变桨距控制.仿真结果表明,所提变桨距控制策略不仅能有效平缓风、浪引起的海上风力机叶根挥舞载荷的脉动,还能明显减小其气动转矩以及输出功率的波动,在减小风轮疲劳载荷的同时提高了海上风力机的输出电能质量.
AbstractList TM614%P743.2; 建立了波浪模型,分析了风力机气动载荷和气动转矩中与水动频率相关的脉动分量产生的原因,并基于GH Bladed平台仿真验证了这种脉动的存在性.为减小这种脉动以及风切变和塔影效应对风力机产生的影响,将积分后的塔顶振动加速度信号与统一变桨距参考信号叠加,减小统一变桨距信号,结合风力机输出功率的3倍频风轮旋转频率(3P)脉动分量以及每支叶片的方位角将其转换为该叶片的桨距角调节信号,实现变桨距控制.仿真结果表明,所提变桨距控制策略不仅能有效平缓风、浪引起的海上风力机叶根挥舞载荷的脉动,还能明显减小其气动转矩以及输出功率的波动,在减小风轮疲劳载荷的同时提高了海上风力机的输出电能质量.
Author 刘皓明
杨苏翔
田炜
赵敏
许波峰
袁晓玲
AuthorAffiliation 河海大学能源与电气学院,江苏南京,211100
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LIU Haoming
TIAN Wei
YANG Suxiang
XU Bofeng
YUAN Xiaoling
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Keywords 气动转矩
减振
波浪力
变桨距控制
气动载荷
风力
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Snippet TM614%P743.2; 建立了波浪模型,分析了风力机气动载荷和气动转矩中与水动频率相关的脉动分量产生的原因,并基于GH...
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StartPage 46
Title 风、浪对海上风电机组振动特性的影响及控制策略
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