Results 11 to 20 of about 119,144 (295)
IEEE AccessDownburst is a type of near-surface short-term destructive strong wind that significantly affects wind-sensitive flexible structures like transmission tower-line systems.
Yongli Zhong +4 more
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Random Wind-induced Response Analysis of Transmission Tower-line System
Energy Procedia, 2012 AbstractIn order to research the the effects of conductor wires on transmission tower under wind load, considering the theory of flat cable assumptions, the vibration equation of transmission tower-line system under wind load was deduced. Using software ANSYS, The 3-D finite element models of single tower, one tower and two spans of conductor wires ...
Li, Qin, Junjian, Yuan, Wei, Li
exaly +4 more sources
Numerical analysis on wind-induced vibration response of long-span transmission tower-line system
GrađevinarBased on the engineering background related to ±800 kV ultra-high voltage (UHV) transmission lines spanning the Yellow River, finite element models were developed for single-tower and transmission tower-line systems, with their wind-induced responses ...
Xianxin Li +4 more
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Dynamic Response Modeling of Mountain Transmission Tower-Line Coupling System under Wind–Ice Load
Buildings, 2023 Transmission lines have the characteristics of being tall tower structures with a large span distribution of transmission lines that are sensitive to external loads such as wind and ice, and belong to strong, nonlinear, complex, rigid-flexible coupling ...
Haoran Song, Yingna Li
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DYNAMIC RESEARCH OF TRANSMISSION LINES TOWER-LINE SYSTEM
Jixie qiangdu, 2015 In the transmission lines,the safety operation of the tower-line system is very important,Therefore,the ANSYS analysis software can be used to establish and analysis the tower-line system of the transmission lines. In the process of analysis,the model of
HUANG XinBo +4 more
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Energies, 2019 Under the typhoon disaster, the power grid often has serious accidents caused by falling power towers and breaking lines. It is of great significance to analyze and predict the damage probability of a transmission line-tower system for disaster ...
Hui Hou +5 more
doaj +4 more sources
Energies, 2022 Transmission towers are prone to collapse under strong wind load, resulting in significant economic losses. In order to investigate the collapse mechanism and failure modes of the transmission tower under strong wind load and whether the wind vibration ...
Junkuo Li +8 more
semanticscholar +4 more sources
Dynamic response analysis of transmission tower line system under random fluctuating wind field
电力工程技术The transmission tower and tower line coupling system is an important carrier of the power system transmission process. Strong winds in coastal areas have a significant impact on the transmission tower and tower line system. To study the dynamic response
YAN Chengyang +4 more
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Performance Evaluation on Transmission Tower-Line System with Passive Friction Dampers Subjected to Wind Excitations [PDF]
Shock and Vibration, 2015 The vibration control and performance evaluation on a transmission-tower line system by using friction dampers subjected to wind excitations are carried out in this study. The three-dimensional finite element (FE) model of a transmission tower is firstly
Bo Chen +3 more
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Buildings, 2023 With the continuous expansion of the scale of power grid and transportation infrastructure construction, the number of crossovers between transmission lines and high-speed railways continues to increase. At present, there is a lack of systematic research
Guifeng Zhao +3 more
doaj +2 more sources