连续档覆冰导线舞动模态分析

doi:10.16182/j.issn1004731x.joss.201611001

系统仿真学报 ›› 2016, Vol. 28 ›› Issue (11): 2647-2654.doi: 10.16182/j.issn1004731x.joss.201611001

• 仿真建模理论与方法 • 下一篇

连续档覆冰导线舞动模态分析

刘小会¹, 张路飞¹, 严波², 张晓艳¹

1.重庆交通大学,重庆 400074;
2.重庆大学,重庆 400044

收稿日期:2015-02-12 修回日期:2015-05-18 出版日期:2016-11-08 发布日期:2020-08-13
作者简介:刘小会(1981-),男,内蒙古包头,博士,副教授,研究方向为高压输电线舞动。
基金资助:
国家自然科学基金(51308570,51277186,11302271); 重庆市教委科学技术研究项目(KJ1400302); 博士点联合基金(20125522120003)

Modal Analysis of Iced Conductor Galloping for Continuous Spans

Liu Xiaohui¹, Zhang Lufei¹, Yan Bo², Zhang Xiaoyan¹

1. Chongqing Jiaotong University, Chongqing 400074, China;
2. Chongqing University, Chongqing 400044, China

Received:2015-02-12 Revised:2015-05-18 Online:2016-11-08 Published:2020-08-13

摘要/Abstract

摘要： 对单档舞动引起的连续档输电线大幅振动进行了参数分析。利用ABAQUS软件建立考虑绝缘子串的连续档覆冰输电线的精细有限元模型,通过用户自定义单元子程序UEL定义空气动力载荷单元,实现单档舞动引起整个连续档大幅振动的数值模拟。数值模拟结果表明档距、张力等结构参数对连续档输电线位移及应力振幅有较大的影响,低阶模态对位移振动幅值影响较大,而高阶模态对应力振动幅影响明显。通过参数分析可找到线路结构参数对位移及应力振动幅值的影响规律,应用于线路设计降低舞动的破坏。所得结果对连续档覆冰导线防舞技术的研究具有一定参考价值。

关键词: 舞动, 有限元, 连续档, 输电导线

Abstract: The parameter analysis was presented for continuous spans vibration induced by single-span conductor galloping. The fine finite element model of continous spans and insulator strings was set up by ABAQUS softwart, the aerodynamic load was defined by UEL. So the dynamic response of continuous spans induced by single-span conductor galloping were numerically simulated in ABAQUS. The numerical simulation results show that the structure parameters have obvious effect on the vibration amplitude of the displacements and tention, low order modes have great influence on the vibration amplitede of the displacements, high order modes have great influence on the vibration amplitude of the tention. The galloping damage can be reduced in transmission line design using the conclusions of parameter analysis. The conclusion is a useful reference for anti-galloping of continuous spans.

Key words: galloping, finite element, continuous spans, transmission line conducto

中图分类号:

TM753
TM039

刘小会, 张路飞, 严波, 张晓艳. 连续档覆冰导线舞动模态分析[J]. 系统仿真学报, 2016, 28(11): 2647-2654.

Liu Xiaohui, Zhang Lufei, Yan Bo, Zhang Xiaoyan. Modal Analysis of Iced Conductor Galloping for Continuous Spans[J]. Journal of System Simulation, 2016, 28(11): 2647-2654.

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连续档覆冰导线舞动模态分析

Modal Analysis of Iced Conductor Galloping for Continuous Spans

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