Fatigue damage assessment of wind turbine based on dynamic wake meandering model

MU Yanfei; WANG Qiang; LUO Kun; FAN Jianren; QIU Xu; LIU Xin; YAN Shu

doi:10.19666/j.rlfd.202210232

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Fatigue damage assessment of wind turbine based on dynamic wake meandering model

Thermal Power Generation Vol. 52, Issue 3, Pages: 39-48(2023)

更新时间：2025-09-28

- Fatigue damage assessment of wind turbine based on dynamic wake meandering model
- 作者机构：
  
  1. 浙江大学能源清洁利用国家重点实验室
  2. 浙江省清洁能源与碳中和重点实验室
  3. 中国华能集团清洁能源技术研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202210232
  CLC： TM315
- Published：2023
- 稿件说明：
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MU Yanfei, WANG Qiang, LUO Kun, et al. Fatigue damage assessment of wind turbine based on dynamic wake meandering model[J]. Thermal Power Generation, 2023, 52(3): 39-48.
DOI：

MU Yanfei, WANG Qiang, LUO Kun, et al. Fatigue damage assessment of wind turbine based on dynamic wake meandering model[J]. Thermal Power Generation, 2023, 52(3): 39-48. DOI： 10.19666/j.rlfd.202210232.

摘要

风电场尾流效应是影响下游风力机载荷的主要因素。选用美国可再生能源实验室（NREL）最新开源的多物理场耦合仿真软件工具——FAST.Farm，以某海上风电场为研究对象，量化评估了风电场前排、中间和后排风力机的尾流效应、载荷及疲劳损伤特征。结果表明：沿流动方向，风电场内部呈现出风速依次降低，湍流强度依次增加的流动特征；随着来流风速提高，前排、中间、后排风力机的疲劳损伤增大；在较高来流风速条件下，中间位置风力机叶根处和塔基处的疲劳损伤成倍增加，且增加幅度明显高于前排和后排风力机，即疲劳损伤最严重的风力机位于风电场中间区域。建议风电前期开发及后期运维工作中，需要重点关注场区中间位置风力机的结构强度。

Abstract

The wake effect of wind farm is the main factor affecting the performance of wind turbines in the downstream wind farm. The wake effect

load characteristics and fatigue damage of wind turbines in front

middle and rear of an offshore wind farm were quantitatively assessed by FAST.Farm

which is the latest opensource multiphysical field coupling simulation software tool of National Renewable Energy Laboratory(NREL). The results show that

the wind speed decreases and the turbulence intensity increases in turn in the wind farm along the flow direction. The fatigue damage of front-row

middle-row and back-row wind turbines increases with the inflow wind speed. Especially

under the condition of high inflow wind speed

the fatigue damage of the middle-row wind turbines at the blade root and the tower base increases exponentially

and the increase range is obviously higher than that of the front and back row wind turbine. It suggests that the structural strength of wind turbines in the central area should be improved to some extent in wind power pre-development and post-operation and maintenance work.

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