Results 11 to 20 of about 22,959,059 (269)

Seismic Fragility Analysis of the Transmission Tower-Line System Considering Bolt Slippage

open access: yesApplied Sciences
Seismic fragility analysis can directly reflect the damage probability of the transmission tower-line system and effectively evaluate the seismic performance.
Jia-Xiang Li, Chao Zhang, Jin-Peng Cheng
doaj   +4 more sources

Damage Probability Assessment of Transmission Line-Tower System Under Typhoon Disaster, Based on Model-Driven and Data-Driven Views

open access: yesEnergies, 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

Study on Wind-Induced Response of Transmission Tower-Line System under Downburst Wind

open access: yesBuildings, 2022
Downburst is the main source of extreme wind speed in non-typhoon areas, which has caused a large amount of transmission line damage all over the world.
Zhiyuan Fang   +3 more
doaj   +2 more sources

Performance Evaluation on Transmission Tower-Line System with Passive Friction Dampers Subjected to Wind Excitations [PDF]

open access: yesShock 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
doaj   +2 more sources

Dynamic Response Modeling of Mountain Transmission Tower-Line Coupling System under Wind–Ice Load

open access: yesBuildings, 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
doaj   +2 more sources

Dynamic response analysis of transmission tower line system under random fluctuating wind field

open access: yes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
doaj   +2 more sources

Shaking Table Array Tests of an Ultra-High-Voltage Cup-Type Transmission Tower-Line System

open access: yesShock and Vibration, 2019
Ultra-high-voltage (UHV) cup-type transmission towers supported with long-span transmission lines are unavoidably subjected to the coupling action between the towers and the transmission lines. Therefore, investigating how tower-line coupling affects UHV
Fei Wang   +4 more
doaj   +2 more sources

Optimization of VEDs for Vibration Control of Transmission Line Tower

open access: yesAdvances in Civil Engineering, 2021
This paper investigates the optimization of viscoelastic dampers (VEDs) for vibration control of a transmission line tower. Considering the stiffness of the steel brace connected to a VED, the mechanical model of the VED-brace system was established ...
Guoping Huang   +4 more
doaj   +2 more sources

Numerical analysis on wind-induced vibration response of long-span transmission tower-line system [PDF]

open access: yesGrađevinar
Based 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
doaj   +2 more sources

Dynamic Failure Mode Analysis for a Transmission Tower-Line System Induced by Strong Winds

open access: yesEnergies
The prevailing approach to the wind resistance design of transmission towers is rooted in the quasi-static method. However, this methodology faces criticism for neglecting tower-line coupling dynamics. Despite efforts to boost structural wind resilience,
Shizeng Liu   +6 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy