[1]席仁强,蒋学东,何云松,等.风力发电机的一致概率风-地震作用组合方法[J].常州大学学报(自然科学版),2020,32(06):83-90.[doi:10.3969/j.issn.2095-0411.2020.06.013]
　XI Renqiang,JIANG Xuedong,HE Yunsong,et al.Uniform-Probability Wind-Seismic Load Combination Method of Wind Turbines[J].Journal of Changzhou University(Natural Science Edition),2020,32(06):83-90.[doi:10.3969/j.issn.2095-0411.2020.06.013]
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风力发电机的一致概率风-地震作用组合方法()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第32卷
期数:
2020年06期
页码:
83-90
栏目:
机械制造及其自动化
出版日期:
2020-11-28

文章信息/Info

Title:
Uniform-Probability Wind-Seismic Load Combination Method of Wind Turbines
文章编号:
2095-0411(2020)06-0083-08
作者:
席仁强; 蒋学东; 何云松; 班书昊
常州大学 机械工程学院,江苏 常州 210416
Author(s):
XI Renqiang; JIANG Xuedong; HE Yunsong; BAN Shuhao
School of Mechanical Engineering, Changzhou University, Changzhou 213164, China
关键词:
风力发电机;  地震危险性分析;  一致概率风-地震组合;  结构动力响应;  输入地震动方向
Keywords:
wind turbine;  seismic hazard analysis;  uniform-probability wind-seismic combination;  dynamic response of structure;  incident angles of earthquake waves
分类号:
TK 89
DOI:
10.3969/j.issn.2095-0411.2020.06.013
文献标志码:
A
摘要:
针对高地震危险性区域的风电场,提出一致概率风-地震作用组合方法。采用Weibull分布描述轮毂高度处平均风速随机特征; 通过地震危险性分析,确定地震动参数; 假定风、地震为独立事件,建立二者联合概率模型。随后,以NREL 5 MW风力发电机为例,基于一致概率风-地震作用组合,分析结构动力响应。结果表明:风-强震激励下,地震动控制结构响应; 风-弱震作用下,风-地震共同控制结构响应; 一致概率风-地震作用下,结构动力响应特征与地震动特性有关。
Abstract:
A uniform-probability wind-seismic combination method is established for the wind farms in the high seismic-hazard region. Weibull distribution is selected to describe the stochastic behavior of the mean wind speed at hub-height in this study. Based on the seismic hazard analysis, probabilistic model of ground motion is established. Assuming that winds and seismic,are independent events,a joint probabilistic model of wind and seismic is set up. Taking the NREL 5 MW wind turbine for example, dynamic response is analyzed based on this wind-seismic combination model. The result shows that under the excitation of wind and strong seismic combination, dynamic response of wind turbines is dominated by seismic wave while it is regulated by wind and seismic jointly under excitation of wind and weak earthquake. The dynamic behavior of wind turbine is connected with the characteristics of seismic wave under the excitation of uniform-probability wind seismic combination.

参考文献/References:


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备注/Memo

备注/Memo:
收稿日期:2020-08-01。
基金项目:国家自然科学基金资助项目(51808061)。
作者简介:席仁强(1984—),男,河南三门峡人,硕士,讲师。E-mail: xirenqiang@cczu.edu.cn
更新日期/Last Update: 1900-01-01