结构工程师2017，Vol.33Issue(6)：38-44,7.
铁塔对重冰区双回输电线路脱冰跳跃的影响研究
Research on the Influence of the Tower on Ice Shedding from Double-circuit Transmission Line in Heavy Region
摘要
Abstract
In this paper,to study the influence of the tower on ice shedding from double-circuit transmission line in heavy icing region,the 220 kV double-circuit transmission line in heavy icing area was taken as object to establish conductor-insulator model and tower line system model considered the response of the tower respectively,and comparison analysis of the calculation results about the two kinds of models was done.By comparison,regardless of whether there is wind,the jumping height of conductor with ice shedding in the conductor-insulator model compared to the tower line system model is larger,and jumping height of conductor without ice shedding is less than the tower line system model.The difference mentioned above increases with the increasing ice shedding rate.In addition,it is found that little change in jumping height for different stiffness of the tower.It shows that the tower stiffness has a minor effect on the calculation results of the tower line system model.It is further explained that the difference between the two models results from the coupling effects of the tower and the line.关键词
重冰区/脱冰跳跃/数值模拟/塔线体系/导线-绝缘子模型Key words
heavy icing area/ice shedding/numerical simulation/tower line system/conductor-insulator model引用本文复制引用
安利强,梁成,张志强,江文强,吴炅..铁塔对重冰区双回输电线路脱冰跳跃的影响研究[J].结构工程师,2017,33(6):38-44,7.基金项目
国家自然科学基金(51408221) （51408221）
