摘要
采用数值模拟方法研究三相双分裂导线三角形排布线路相间间隔棒防舞方案设计。针对300 m档距双分裂线路,数值模拟分析在风荷载作用下导线的舞动特征,设计4种相间间隔棒安装方案,并对各种方案的防舞效果进行模拟研究,得到设计三相导线三角形排布线路相间间隔棒防舞方案时需同时考虑导线垂直和水平振动模式的原则。基于此原则,设计400 m和500 m档距线路相间间隔棒布置方案,数值模拟进一步验证了其防舞效果。
Anti-galloping design of interphase spacers in three-phase conductor lines with triangle arrangement was numerically studied. Based on the galloping characteristics of transmission lines with 300 m-span under wind load, four installation schemes of interphase spacers were presented and their anti-galloping efficiencies were numerically investigated. It was suggested that both vertical and horizontal vibration modes during galloping have to be taken into account in the installation design of interphase spacers. Based on this principle anti-galloping schemes of interphase spacers for the transmission lines with 400 m-span and 500 m-span were designed and their anti-galloping efficiencies were further numerically verified.
出处
《振动与冲击》
EI
CSCD
北大核心
2016年第1期106-111,共6页
Journal of Vibration and Shock
基金
国家自然科学基金(51277186)
国家电网公司科技项目(521702140013)
关键词
双分裂导线
相间间隔棒
防舞
数值模拟
double-bundle conductor
interphase spacer
anti-galloping
numerical simulation
