Impact of Waves and Wind Speed Non-uniformities on the Operation Characteristics of Offshore Wind Turbines

SHENG Xiaoling; WANG Tianxiang; CHENG Ziyao; WAN Shuting

doi:10.19805/j.cnki.jcspe.2025.240420

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Impact of Waves and Wind Speed Non-uniformities on the Operation Characteristics of Offshore Wind Turbines

更新时间：2026-10-10

- Impact of Waves and Wind Speed Non-uniformities on the Operation Characteristics of Offshore Wind Turbines
- Chinese Journal of Power Engineering Vol. 45, Issue 9, Pages: 1403-1411(2025)
- 作者机构：
  
  华北电力大学电力机械装备健康维护与失效预防河北省重点实验室,河北,保定,071003
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240420
  CLC：
- Online First：16 September 2025，
  
  Published：2025
- 稿件说明：
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绳晓玲,王天翔,程紫瑶,万书亭. 风速分布差异及波浪因素对海上风电机组运行特性的影响研究动力工程学报, 2025, 45(9): 1403-1411 https://doi.

org/10.19805/j.cnki.jcspe.2025.240420
绳晓玲,王天翔,程紫瑶,万书亭. 风速分布差异及波浪因素对海上风电机组运行特性的影响研究动力工程学报, 2025, 45(9): 1403-1411 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240420.

org/10.19805/j.cnki.jcspe.2025.240420 DOI：

摘要

为研究风剪切和塔影效应引起的风速分布差异及波浪因素对海上风力发电机组的影响

以Openfast软件中提供的5 MW单桩式海上风机模型作为研究对象

建立了海上风电系统的动态模型

进而输出了在风速分布差异及波浪因素影响下的机械转矩

并进一步结合Matlab/Simulink平台中构建的双馈风力发电机(DFIG)仿真模块进行耦合仿真。结果表明:考虑风速分布差异及波浪因素后

在发电机转速、功率、定子电流以及转子电流的频谱图中均出现了受风速分布差异影响的频率以及波浪频率;不同风况下风速分布差异与波浪因素对转速、功率、定子电流以及转子电流的影响程度不同

并且风剪切、塔影效应和波浪因素之间也互相有耦合影响。

Abstract

To investigate the impact on offshore wind turbines by waves and wind speed non-uniformities caused by wind shear and tower shadow effect

based on a 5 MW monopile offshore wind turbine provided in Openfast

a dynamic model of offshore wind power systems was established to output the mechanical torque under combined impact of wind non-uniformities and waves. The mechanical torque was further fed into a doubly fed induction generator (DIFG) modelled in Matlab/Simulink for co-simulation. Results show that the frequencies from the impact of the wind non-uniformities and waves appear in all spectra of generator speed

power

stator current and rotor current when considering the two factors. The relative influence of wind-speed non-uniformities and waves on generator speed

power

stator and rotor currents varies with wind conditions

and mutual coupling exists among wind shear

tower shadow and wave effects.

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references

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