[1]李万润,栾雪涛,王雪平,等.基于实测数据的西北地区风电场风场及尾流特性分析[J].东南大学学报(自然科学版),2018,48(4):699-705.[doi:10.3969/j.issn.1001-0505.2018.04.016]
 Li Wanrun,Luan Xuetao,Wang Xueping,et al.Analysis of wind field and wake characteristics of wind farm in Northwest China based on measured data[J].Journal of Southeast University (Natural Science Edition),2018,48(4):699-705.[doi:10.3969/j.issn.1001-0505.2018.04.016]
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基于实测数据的西北地区风电场风场及尾流特性分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
48
期数:
2018年第4期
页码:
699-705
栏目:
土木工程
出版日期:
2018-07-20

文章信息/Info

Title:
Analysis of wind field and wake characteristics of wind farm in Northwest China based on measured data
作者:
李万润123栾雪涛1王雪平1杜永峰13李爱群2
1兰州理工大学防震减灾研究所, 兰州 730050; 2东南大学土木工程学院, 南京210096; 3兰州理工大学西部土木工程防灾减灾教育部工程研究中心, 兰州 730050
Author(s):
Li Wanrun123 Luan Xuetao1 Wang Xueping1 Du Yongfeng13 Li Aiqun2
1Institute of Earthquake Protection and Disaster Mitigation, Lanzhou University of Technology, Lanzhou 730050, China
2School of Civil Engineering, Southeast University, Nanjing 210096, China
3Western Center of Disaster Mitigation in Civil Engineering of Ministry of Education, Lanzhou University of Technology, Lanzhou 730050, China
关键词:
实测数据 风场特性 尾流特性 风塔 湍流强度
Keywords:
measured data wind field characteristics wake characteristics wind tower turbulence intensity
分类号:
TU352.2
DOI:
10.3969/j.issn.1001-0505.2018.04.016
摘要:
基于西北地区某风电场2015—2016年的风速风向实测数据,分析了风电场风塔的尾流特性,并与现有风力机尾流模型进行了对比分析.在此基础上,对在远尾流场作用下的风速风向、湍流强度、湍流积分尺度、概率密度分布等风场特性进行了详细分析.研究结果表明:现有的Jensen模型、Park-Gauss模型与实际工程中多个尾流作用下的风电场尾流特性存在差异.在多风向多尾流叠加作用下,当风速大于10 m/s时,各风塔湍流强度随着平均风速的增长呈增大趋势,风电场内部风塔湍流强度在低湍流段更加集中,外围风塔湍流强度随平均风速的增大速率略快于内部风塔,而湍流积分尺度随平均风速的增大程度总体慢于内部风塔,且外围风塔实测风速更加接近高斯分布.
Abstract:
The wake characteristics of wind tower and the existing wind turbine wake model were analyzed based on the wind speed and wind direction measurement data of a wind farm in northwest China during 2015—2016. The wind field characteristics under the effect of far wake flow field, such as wind speed, turbulence intensity, turbulence integral scale, and probability density distributions, were studied in detail. The results show that the existing Jensen model and Park-Gauss model are different from the wake characteristics of the wind farm under the action of multiple wakes in practical engineering. Under the action of multi-wake superposition, when the wind speed is greater than 10 m/s,the turbulence intensity of each wind tower increases with the increase of the mean wind speed, and the turbulence intensity of the internal wind tower is more concentrated in the lower turbulence section. With the increase of the mean wind speed, the turbulence intensity of the external wind tower increases faster than that of the internal wind tower; the turbulence integral scale of the external wind tower increases slower than that of the internal wind tower, and the measured wind speed of the peripheral wind tower is more in line with the Gaussian distribution.

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备注/Memo

备注/Memo:
收稿日期: 2017-12-11.
作者简介: 李万润(1985—), 男, 博士, 副教授, ce_wrli@lut.cn.
基金项目: 国家自然科学基金资助项目(51568041)、教育部长江学者创新团队资助项目(IRT13068)、甘肃省住建厅科技攻关资助项目(JK2016-12).
引用本文: 李万润,栾雪涛,王雪平,等.基于实测数据的西北地区风电场风场及尾流特性分析[J].东南大学学报(自然科学版),2018,48(4):699-705. DOI:10.3969/j.issn.1001-0505.2018.04.016.
更新日期/Last Update: 2018-07-20