莱州湾3MW风力发电塔结构设计及实测研究
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摘要
自振特性对风力发电塔的安全运行和动力分析具有重要意义。本文采用环境脉动实测方法,识别莱州湾3MW风力发电塔自振特性。结果发现,实测值与理论值较为吻合,说明梁板式预应力锚栓基础和反向平衡法兰的使用并不影响整体的刚度和频率。
The natural vibration characteristics has an important influence on the safety operation and dynamic anlysis of wind power tower.In this paper,the ambient vibration testing method is used to indentify the dynamic character of a 3MW wind power tower in Lai-Zhou bay.It is conclued that the testing result is very close to the theoretical value.The prestressed-anchor beam-slab foundation and the balance flange has no influence on the stiffness and the frenquency of the structure.
The natural vibration characteristics has an important influence on the safety operation and dynamic anlysis of wind power tower.In this paper,the ambient vibration testing method is used to indentify the dynamic character of a 3MW wind power tower in Lai-Zhou bay.It is conclued that the testing result is very close to the theoretical value.The prestressed-anchor beam-slab foundation and the balance flange has no influence on the stiffness and the frenquency of the structure.
引文
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[15]风电场工程技术标准.FD003-2007风电机组地基基础设计规定[S].北京,2007 Wind farm engineering and technical standards.FD003-2007 Design regulations on subgrade and foundation for wind turbine generator system[S].Beijing,2007
[2]Bazeos N,Hatzigeorgiou G D,Hondros I D.Static,seismic and stability analyses of a prototype wind turbine steel tower[J]. Engineering Structures,2002,24(8):1015-1025
[3]张艳娟,楼梦麟.风力发电塔的自振特性分析.应用力学学报. 2010,27(3):626-629 Zhang Yanjuan,Lou Menglin.The modal characteri stics analysis of wind turbine.Chinese Journal of Applied Mechanics. 2010,27(3):626-629
[4]单光坤,姚兴佳.兆瓦级风力发电机组的模态分析.沈阳工业大学学报.2008,30(3):276-279 Shan Guangkun,Yao Xingjia.Mode analysis on MW grade wind turbine.Journal of Shenyang University of Technology. 2008,30(3):276-279
[5]李长凤.风力发电结构动力反应的一体化有限元模型分析.特种结构.2008,25(2):65-67 Li Changfeng.Researching on a integrated finite element model for dynamic response analysis of wind turbine structure.Special Structure.2008,25(2):65-67
[6]Thomas G C,Arlo.N.Model testing of a rotating wind turbine[R]. SAND82-0631,Sandia:Sandia National Laboratories,1983
[7]贺广零.考虑土-结构相互作用的风力发电高塔系统地震动力响应分析.机械工程学报.2009,45(7):87-94 He Guangling.Seismic response analysis of wind turbine tower systems considering soil-structure interaction.Journal of Mechanical Engineering.2009,45(7):87-94
[8]贺广零,周勇,李杰.风力发电高塔系统地震动力响应分析.工程力学,2009,26(7):72-77 He Guanglin,Zhou Yong,Li Jie.Seismic analysis of wind turbine system.Engineering Mechanics.2009,26(7):72-77
[9]马跃强.风力发电塔系统整体建模与模态分析研究.石家庄铁道大学学报(自然科学版).2010,23(4):21-25 Ma Yueqiang.Research on inherent characteristics of wind turbine tower.Journal of Shi Jiazhuang Tiedao University(Natural Science). 2010,23(4):21-25
[10]马人乐,马跃强,刘慧群,陈俊岭.风电机组塔筒模态的环境脉动实测与数值模拟研究.振动与冲击.2010,23(4):21-25 Ma renle,Ma Yueqiang,Liu Huiqun,Chen Junlin.Ambient vibration test and numerical simulation for modes of wind turbine towers.Journal of vibration and shock.2010,23(4):21-25
[11]马人乐,刘恺,黄冬平.反向平衡法兰试验研究[J].同济大学学报,2009,37(10):1333-1339 Ma Renle,Liu Kai,Huang Dongping.Experimental Research of Reverse Balance Flange[J].Journal of Tongji University(Natural Science),2009,37(10):1333-1339
[12]马人乐,黄冬平,吕兆华.反向平衡法兰有限元分析[J].特种结构,2009,26(1):21-25 Ma Renle,Huang Dongping,Lu Zhaohua.Finite Element Analysis of Reverse the balance Flange[J].Special Structures,2009,26(1):21-25
[13]谢恩,童乐为,黄冬平.马人乐.基于热点应力法的反向平衡法兰的疲劳性能评估研究[J].钢结构,2010,25(141):542-548
[14]马人乐,黄冬平.风力发电结构事故分析及规避[J].结构工程师,2010,27(3):1-3 Ma Renle,Huang Dongping.Failure Analysis and Avoidance of Wind Power Structure[J].Special Structures,2010,27(3):1-3
[15]风电场工程技术标准.FD003-2007风电机组地基基础设计规定[S].北京,2007 Wind farm engineering and technical standards.FD003-2007 Design regulations on subgrade and foundation for wind turbine generator system[S].Beijing,2007
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