电气化高速铁路接触网微风振动特性

刘志刚; 宋洋; 刘煜铖

doi:10.3969/j.issn.0258-2724.2015.01.001

电气化高速铁路接触网微风振动特性

doi: 10.3969/j.issn.0258-2724.2015.01.001

基金项目:

国家自然科学基金资助项目(U1134205,51007074)

铁道部科技研究开发计划资助项目(2011J016-B)

铁道部科技研究开发计划资助项目(2013J010-B)

详细信息

作者简介:
刘志刚(1975-), 男, 教授, 博士, 博士生导师, 研究方向为现代信号处理技术及其在轨道交通电气化中的应用, E-mail: liuzg@swjtu.cn

计量
- 文章访问数: 1076
- HTML全文浏览量: 87
- PDF下载量: 732
- 被引次数: 0
出版历程
- 收稿日期: 2013-04-02
- 刊出日期: 2015-02-25

Aeolian Vibration Characteristics of Electrified High-Speed Railway Catenary

摘要

摘要: 为评估接触线微风振动现象对接触网运营的的影响,计算不同风速下的接触线风振幅值,基于模态分解法推导了电气化高速铁路接触网垂直方向上的微风振动方程.首先求解出接触网的固有频率与振型,然后推导作用在接触线上的微风激振力,最后计算接触网在发生微风振动时,不同风速作用下各频率对应的振幅.分析风速、频率与振幅的对应关系.结果表明,接触线微风振动的最大幅值一般在1 mm以内,不会产生输电线微风振动时类似的振动幅值;文中算例接触线微风振动最大幅值出现在风速为1.44 m/s时,仅有0.96 mm,不会对电气化铁路的实际运营造成显著影响.
- 电气化铁路 /
- 接触网 /
- 微风振动 /
- 固有频率
Abstract: In order to evaluate the influence of the aeolian vibration on catenaries in operation and calculate their amplitudes under different wind speeds, a formula of catenary aeolian vibration in the vertical direction was deduced based on the modal analysis method. By solving the vibration dynamic equations, the natural frequencies and vibration modes of the catenary were obtained first. Then the exciting force acting on the catenary was deduced. Finally, the aeolian vibration amplitudes of catenary with respect to each frequency under different wind speeds were calculated, and the relationship among the wind speed, frequency, and amplitude was analyzed. The results show that the maximum aeolian vibration amplitude of the catenary was less than 1 mm in general, and the aeolian vibration similar to that of transmission lines would not occur. In a numerical example, the maximal amplitude of the catenary occurs at the wind speed of 1.44 m/s, and only reaches 0.96 mm. Therefore, the aeolian vibration would not influence the operation of the electrified railway significantly.
- electrified railways /
- catenary /
- aeolian vibration /
- natural frequencies

HTML全文

参考文献(36)

郭应龙,李国兴,尤传永. 输电线路舞动

[M]. 北京: 中国电力出版社,2003: 3-24.

SIMMONS J M, CLEARY P M. Measurement of aerodynamic power associated with vortex induced vibration of electrical transmission lines

[J]. IEEE Transactions on Power Apparatus and Systems, 1980, 99(l): 158-164.

GODARD B, GURARD S, LILIEN J L. Original real-time observations of aeolian vibrations on power-line conductors

[J]. IEEE Transactions on Power Delivery, 2011, 26(4): 2111-2117.

LU M L, CHAN J K. An efficient algorithm for aeolian vibration of single conductor with multiple dampers

[J]. IEEE Transactions on Power Delivery, 2007, 22(3):1822-1829.

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. KONG Deyi, LI Li, LONG Xiaohong, et al. Analysis of aeolian vibration of UHV transmission conductor by finite element method

[J]. Journal of Vibration and Shock, 2007, 26(8): 64-67.

班瑞平. 接触网线索舞动现象的研究

[J]. 铁道机车车辆,2004,24(1): 64-66. BAN Ruiping. Research on phenomena of the contact line brandishing

[J]. Railway Locomotive Car, 2004, 24(1): 64-66.

姚康佛. 接触网导线发生自由振动的原因及预防措施

[J]. 电气化铁道,1999(4): 31-33. YAO Kangfo. Catenary wire free vibration occurs causes and preventive measures

[J]. Electrified Railway, 1999(4): 31-33.

孟祥奎. 接触网振动分析及防振措施

[J]. 电气化铁道,2003(4): 16-18. MENG Xiangkui. Catenary vibration analysis and anti-vibration measures

[J]. Electrified Railway, 2003(4): 16-18.

BOCCIOLONE M, RESTA F, ROCCHI D, et al. Pantograph aerodynamic effects on the pantograph catenary interaction

[J]. Vehicle System Dynamics, 2006, 44(Sup.1): 560-570.

STICKLAND M T, SCANLON T J. An investigation into the aerodynamic characteristics of catenary contact wires in a cross-wind

[J]. Proceedings of the Institution of Mechanical Engineers Part F: Journal of Rail and Rapid Transit, 2001, 215(4): 311-318.

STICKLAND M T, SCANLON T J, CRAIGHEAD I A, et al. An investigation into the mechanical damping characteristics of catenary contact wires and their effect on aerodynamic galloping instability

[J]. Journal of Rail and Rapid Transit, 2003, 217(2): 63-71.

SCANLON T J, STICKLAND M T, OLDROYD A B. Investigation into the attenuation of wind speed by the use of windbreaks in the vicinity of overhead wires

[J]. Journal of Rail and Rapid Transit, 2000, 214(4):173-182.

李黎,叶志雄,孔德怡. 输电线微风振动分析方法能量平衡法的改进研究

[J]. 工程力学,2009, 26(增刊1): 176-180,197. LI Li, YE Zhixiong, KONG Deyi. Improvement of energy balance method and analysis of Aeolian vibration on UHV transmission lines

[J]. Engineering Mechanics, 2009, 26(Sup.1): 176-180,197.

李丰良,李敏,唐建湘. 重力影响下的接触网运动微分方程

[J]. 中南大学学报:自然科学版,2005,36(4): 673-677. LI Fengliang, LI Min, TANG Jianxiang. Differential equations of catenary motion influenced by gravity

[J]. Journal of Central South University: Natural Science, 2005, 36(4): 673-677.

谢官模. 振动力学

[M]. 北京:国防工业出版社,2011: 32-47.

施引文献

附加材料(0)

访问统计

点击查看大图

计量

文章访问数: 1076
HTML全文浏览量: 87
PDF下载量: 732
被引次数: 0

电气化高速铁路接触网微风振动特性

doi: 10.3969/j.issn.0258-2724.2015.01.001

作者简介: 刘志刚(1975-), 男, 教授, 博士, 博士生导师, 研究方向为现代信号处理技术及其在轨道交通电气化中的应用, E-mail: liuzg@swjtu.cn

计量

出版历程

Aeolian Vibration Characteristics of Electrified High-Speed Railway Catenary

计量

出版历程

目录

作者简介:
刘志刚(1975-), 男, 教授, 博士, 博士生导师, 研究方向为现代信号处理技术及其在轨道交通电气化中的应用, E-mail: liuzg@swjtu.cn