基于耐热增容导线的输电线路抗风能力对比研究

Research on Wind Resistant Capacity of Transmission Line System with Heat-resistant and Uprating Conductors

开展了基于耐热增容导线的输电线路抗风能力对比研究,采用索单元建立了耐热增容导线的力学模型,进一步地采用非线性有限元方法构建了安装有用耐热增容导线的输电塔线体系有限元模型。以南部沿海某实际输电线路为工程背景,对比研究了采用耐热增容导线的输电塔线体系的抗风性能并与常规线路进行了对比。结果表明:采用耐热导线可以显著减小输电线路的风致响应。

The research on wind-induced responses of transmission line system with HRUCs was actively carried out.The analytical model of HRUC was established using cable elements at first and then analytical model and equilibrium equation of a transmission line system with HRUC were established using the nonlinear finite element method.A real transmission line system in southern coastal areas was selected as an example to examine the wind resistant ability of the tower-line system with HRUCs in comparison with common conductors.The results show that the wind-induced dynamic responses of the transmission line system can be reduced using HRUC.