摘要
输电线路导线在工作阶段的初始状态是很难确定的,需要通过找形来确定,这样才能为塔线体系结构进行准确分析。本文给出了理论分析时导线的悬挂曲线方程,导线弧垂和应力公式。在ANSYS中建立导线的有限元模型,并在重力作用下进行非线性静力分析,最后收敛为精确的导线形状,并与理论值进行对比,证明导线找形的正确性。
Transmission Line geometry in the working stage is difficult to establish, need to determine by form- finding, so can accurately analyze for transmission tower-lines structures. This paper gives hanging curve equa- tion of transmission Line in theory, and the formula of wires sag and stress. Established the finite element model of wires in ANSYS, make nonlinear static analysis under gravity, finally, the convergence for the exact shape of the wires, and compared with the theoretical value, prove the correctness of the wires form - finding.
出处
《东北电力大学学报》
2011年第5期64-67,共4页
Journal of Northeast Electric Power University
关键词
输电线路
找形
悬链线方程
Transmission line
Form-finding
Catenary equation
