架空覆冰输电线路舞动研究进展  

Research Progress of Galloping of Overhead Iced Transmission Lines

作　　者：闵光云 赵鑫 刘小会[3] MIN Guangyun;ZHAO Xin;LIU Xiaohui(Sino-French Institute of Nuclear Engineering and Technology,Sun Yat-sen University,Zhuhai 519082,Guangdong,China;College of Architecture and Civil Engineering,Chengdu University,Chengdu 610106,Sichuan,China;College of Civil Engineering,Chongqing Jiaotong University,Chongqing 400074,China)

机构地区：[1]中山大学中法核技术与工程学院,广东珠海519082 [2]成都大学建筑与土木工程学院,四川成都610106 [3]重庆交通大学土木工程学院,重庆400074

出　　处：《南方能源建设》2023年第5期116-128,共13页Southern Energy Construction

基　　金：国家自然科学基金资助项目“连续档覆冰导线非线性舞动特征研究”(51308570)。

摘　　要：[目的]输电线路的舞动会引发线路跳闸、金具磨损、绝缘子串破碎、塔臂损坏等事故,严重时可能出现倒塔事故,因此建立输电线的舞动模型并对其进行舞动分析是一项十分有意义的课题。[方法]系统地研究了国内外经典、前沿的文献,全面地总结了输电线路弯曲刚度、气动力系数、数值仿真、舞动方程的解析法等方面的研究现状,分析了现有研究的优点、缺点,并总结了有关输电线路舞动课题的发展趋势。[结果]文章的相关成果将对我国的覆冰输电线路舞动发展具有较高借鉴价值。[结论]现阶段对架空覆冰输电线路舞动的研究取得了一定的进展和结论,但仍有许多挑战和问题需要解决。[Introduction]The galloping of transmission lines will lead to trip,worn hardware,broken insulator string,damaged towerarm and other accidents.In serious cases,collapsed tower accidents may occur.Therefore,it is very meaningful to establish the galloping model of transmission lines and analyze its galloping.[Method]Classic and cutting-edge literature at home and abroad was systematically studied,and the research status about bending stiffness,aerodynamic coefficient,numerical simulation,and the analytic method of galloping equations was comprehensively summarized.The advantages and disadvantages of existing research was analyzed,and the development trend of transmission lines galloping topics was summarized here.[Result]The relevant results will have high reference value for the development of iced transmission lines galloping in China.[Conclusion]At this stage,the research of iced transmission lines galloping has made certain progress and conclusions,but there are still many challenges and problems to be solved.

关 键 词：输电线舞动 舞动方程 弯曲刚度 气动力系数 数值仿真 

分 类 号：TM7[电气工程—电力系统及自动化] TM726.3