双向TMD在输电线路风振控制研究中的应用
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摘要
为控制输电导线的风致振动,提出了一种同时实现输电导线平面内、外振动控制的双向TMD,采用多质点模型建立了输电导线在TMD控制下的动力分析方程,并以220kV吉林—通辽输电线路400m档距输电导线为例,设计出TMD的参数,通过SAP2000对安装与未安装双向TMD系统的输电导线施加实际风荷载进行空间非线性时程响应分析。结果表明,该双向TMD对输电导线的风振响应控制效果较好。
In order to control the wind-induced vibration of transmission lines,a two-dimensional TMD is proposed to realize the in-plane and out-plane vibration control of the transmission lines.The multi-degree of freedom model is adopted to establish dynamic analysis equation of transmission lines.Taking the 220 kV Jilin-Tongliao transmission lines of 400 m span for an example,the TMD parameters are designed.Under the conditions of actual wind loads,spatial nonlinear time-history response analysis is implemented for the transmission line installed two-dimensional TMD or not by using SAP2000.The results show that the designed TMD is effective for controlling wind-induced vibration response of the transmission line.
In order to control the wind-induced vibration of transmission lines,a two-dimensional TMD is proposed to realize the in-plane and out-plane vibration control of the transmission lines.The multi-degree of freedom model is adopted to establish dynamic analysis equation of transmission lines.Taking the 220 kV Jilin-Tongliao transmission lines of 400 m span for an example,the TMD parameters are designed.Under the conditions of actual wind loads,spatial nonlinear time-history response analysis is implemented for the transmission line installed two-dimensional TMD or not by using SAP2000.The results show that the designed TMD is effective for controlling wind-induced vibration response of the transmission line.
引文
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[2]Battista R C,Rodrigues R S,Pfeil M S.Experimen-tal Investigation on Hysteretic Characteristics of aTransmission Tower with Friction-Type ReinforcingMembers[J].Journal of Wind Engineering and In-dustrial Aerodynamics,2003(91):1 051-1 067.
[3]Schmidt J T,Biedenbach G,Krispin H J.LaboratoryMeasurement of the Power Dissipation Characteris-tics of Aeolian Vibration Dampers[J].IEEE Trans-actions on Power Delivery,1997,12(4):1 614-1 621.
[4]Sauter D,Hagedorn P.Modeling the Dynamic Char-acteristics of Slack Wire Cables in StockbridgeDampers[J].International Journal of Non-LinearMechanics,2002,37:1 453-1 459.
[5]苏速,邓洪洲.江阴500kV大跨越输电塔线体系模型风振控制试验研究[J].山东建筑工程学院学报,2002,17(3):7-12.
[6]黄斌,唐家祥.大跨越输电塔结构风振控制[J].噪声与振动控制,1997,23(5):2-5.
[7]孔德怡,李黎,龙晓鸿,等.特高压架空输电线微风振动有限元分析[J].振动与冲击,2007,26(8):64-67,170.
[8]王景朝.大跨越导线防振方案探讨[A].中国电机工程学会输电电气四届二次学术年会论文集[C].上海:中国电机工程学会输电专委会电气学组,2004:411-416.
[9]黄维平,强士中.大跨度悬索桥环境振动的双向TMD控制[J].地震工程与工程振动,1999,19(1):100-103.
[10]林均岐,王云剑.调谐质量阻尼器的优化分析[J].地震工程与工程振动,1996,16(1):116-121.
[11]王前信,陆鸣,李宏男.输电塔—电缆体系的合理抗震计算简图[J].地震工程与工程振动,1989,9(3):81-90.
[12]上海电缆研究所,武汉电缆集团有限公司,杭州电缆有限公司,等.圆线同心绞架空导线(GB/T1179-2008)[S].北京:中国标准出版社,2009.
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