Research on Tower Shadow Effect Observation and Correction Algorithm of Offshore Wind Measuring Masts

WANG Kunning; LI Li; LI Mingshuo; JING Qiuxia; LIU Yongqian

doi:10.19805/j.cnki.jcspe.2025.250305

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Research on Tower Shadow Effect Observation and Correction Algorithm of Offshore Wind Measuring Masts

更新时间：2026-10-10

- Research on Tower Shadow Effect Observation and Correction Algorithm of Offshore Wind Measuring Masts
- Chinese Journal of Power Engineering Vol. 45, Issue 10, Pages: 1704-1713(2025)
- 作者机构：
  
  1. 华北电力大学新能源电力系统全国重点实验室,北京,102206
  2. 华北电力大学新能源学院,北京,102206
  3. 中国石化集团新星石油有限责任公司,北京,100089
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.250305
  CLC：
- Online First：30 June 2025，
  
  Published：2025
- 稿件说明：
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王坤宁,李莉,李明朔,经秋霞,刘永前. 海上测风塔塔影效应观测及校正算法研究动力工程学报, 2025, 45(10): 1704-1713 https://doi.

org/10.19805/j.cnki.jcspe.2025.250305
王坤宁,李莉,李明朔,经秋霞,刘永前. 海上测风塔塔影效应观测及校正算法研究动力工程学报, 2025, 45(10): 1704-1713 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.250305.

org/10.19805/j.cnki.jcspe.2025.250305 DOI：

摘要

提出了测风塔塔影效应观测方案

并在中国某海域设立测风塔

获得了为期一年的测风数据;分析了测风塔塔影效应对关键参数的影响规律

构造了塔影效应影响因子(

SIF

)来量化不同风向扇区塔影效应的影响程度;基于时间卷积网络(TCN)提取风速时序信息以及多头自注意力机制(MHSA)捕捉塔影区域的关键影响特征

建立了测风塔塔影效应校正算法。以设立的测风塔为例进行验证。结果表明:

SIF

可作为重要辅助特征

提高塔影效应校正精度;风速计的安装方位对风资源测量精度和塔影效应校正效果影响显著。所提出的校正算法适用于工程上绝大多数测风塔

它仅利用某一测风高度处的两套测风数据

实现安装单个风速计的任意高度处风速的塔影效应校正

显著提高了风资源评估精度。

Abstract

An observation scheme for quantifying tower-shadow effects on offshore wind measurement masts was proposed

and a one-year wind dataset was acquired from a mast deployment in Chinese sea area. The influence pattern of the mast tower shadow on critical parameters was analyzed

and a tower-shadow influence factor (

SIF

) was introduced to characterize the severity of shadowing within each wind-direction sector. A mast tower shadow effect correction algorithm was then developed combining a temporal convolutional network (TCN) for extracting wind-speed time-series patterns with a multi-head self-attention mechanism (MHSA) for capturing key shadow-region features. Validation at the installed mast shows that the

SIF

serves as an essential auxiliary feature that significantly improves correction accuracy. The mounting azimuth

of anemometers strongly affects both wind-resource measurement precision and the efficacy of tower-shadow correction. The proposed algorithm is applicable to most masts used in engineering and requires only two anemometer data series at one measurement height to correct tower-shadow-induced errors at any single-anemometer height

thereby substantially enhancing the wind-resource assessment accuracy.

关键词

Keywords

references

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