构建基于NREL 5 MW 风电机组的海上固定式风电场和不同类型的漂浮式风电场,考虑不同类型风电机组尾流特性、平台漂浮特性的差异,在不同工况下对风电场内机组动力学响应进行仿真计算。通过时域分析与箱线图分析,对风电场内各位置处机组在风、浪、尾流联合作用下的塔基载荷进行对比研究。结果表明：在相同工况下,Spar式风电场内机组风轮与平台位移值、塔基载荷在来流方向上最大;在中低风速下,风电场内机组塔基载荷相差较大;高风速时,塔基载荷相近;随着风速的增大,漂浮式机组塔基载荷呈先增大后减小的规律。
Abstract
Constructing bottom-fixed wind farms and different types of floating wind farms based on NREL 5 MW wind turbines, considering the differences in wake characteristics and platform characteristics of different types of wind turbines, the dynamic response of the wind turbines in the wind farm is simulated under different working conditions. Through time domain analysis and box plot analysis, a comparative study of the tower base load of the upstream and downstream wind turbines in the wind farm under the combined action of wind, waves and wakes is carried out. The results show that under the same working conditions, the displacement value of the rotor and the platform of the type of Spar wind turbines in wind farm and the tower base load are the largest in the incoming flow direction; at low to moderate wind speeds, the tower base load of the wind turbines at different positions vary greatly; at high wind speeds, the tower base load is similar at different positions; as the wind speed increases, the tower base load of the floating unit increases first and then decreases.
关键词
海上风电机组 /
动力学响应 /
时域分析 /
漂浮式风电场 /
载荷特性
Key words
offshore wind turbines /
dynamic response /
time domain analysis /
floating wind power plant /
load characteristics
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基金
辽宁省“兴辽英才计划”（XLYC1802041）; 辽宁省中央引导地方科技发展资金计划（2021JH6/10500166）
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