Influence of Mountain Slope Wind on Wind-Induced Swing Response of Transmission Conductors
In order to analyze the influence of mountainous terrain on the swing angle characteristics of conductor insulator strings,taking a 750 kV-transmission line as an example,this paper establishes a finite element model which is suitable for calculating the swing angle of insulator strings by using Ansys Workbech simulation software.The time-course analysis and relevant theoretical calculations of the swing angle of the insulators strings in the mountainous terrain are carried out.The research results show that the uplift of mountain windward slope has an accelerating effect on the wind speed,and vertical wind speed generates,which cannot be ignored.The slope wind has a significant impact on the swing angle of insulator strings.Therefore,in order to ensure that the electrical clearance meets the requirements of the design code,the ratio of vertical span to horizontal span of tangent tower should be properly reserved with margin when positioning the tower.
万方数据
维普
