Results 21 to 30 of about 1,774,984 (312)

Numerical Study of Ultra-High Voltage Transmission Tower Wind Loads Characteristics Against Tornado

Zhongguo dianli, 2023
In this paper, the wind load characteristics of the Ultra-High Voltage transmission tower under tornado are studied based on the CFD (computational fluid dynamics) numerical simulation method.
Shun ZHANG, Zhenguo WANG, Wendong JIANG, Feng XU, Zhongdong DUAN   +4 more
doaj   +1 more source

Collapse Mechanism of Transmission Tower Subjected to Strong Wind Load and Dynamic Response of Tower-Line System

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, Fan Gao, Lihuan Wang, Yaning Ren, Chuncheng Liu, Aiquan Yang, Zhao Yan, Tao Jiang, Chengbo Li   +8 more
doaj   +1 more source

A Transmission Tower Tilt State Assessment Approach Based on Dense Point Cloud from UAV-Based LiDAR

Remote Sensing, 2022
Transmission towers are easily affected by various meteorological and geological disasters. In this paper, a transmission tower tilt state assessment approach—based on high precision and dense point cloud from UAV LiDAR—was proposed.
Zhumao Lu, Hao Gong, Qiuheng Jin, Qingwu Hu, Shaohua Wang   +4 more
doaj   +1 more source

Optimal Energy Consumption Path Planning for Quadrotor UAV Transmission Tower Inspection Based on Simulated Annealing Algorithm

Energies, 2022
In order to improve the efficiency of UAVs in transmission tower inspections, the UAV transmission tower inspection energy consumption model is proposed for the existing research in which there is no accurate energy consumption calculation method in ...
Min Wu, Wuhua Chen, Xiaohong Tian
doaj   +1 more source

Failure Analysis of Transmission Tower in Full-Scale Tests

Buildings, 2022
With the rapid development of Ultra-High Voltage (UHV) transmission lines, it is necessary to study the performance of UHV transmission towers. First, we performed full-scale tests on a transmission tower under seven loading patterns.
Xiuyun Gao, Rong Yi, Lingquan Zhang, Xiao Jiang, Jiaxiang Li   +4 more
doaj   +1 more source

3D HIGH-EFFICIENCY AND HIGH-PRECISION MODEL-DRIVEN MODELLING FOR POWER TRANSMISSION TOWER [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Constructing the transmission tower from LiDAR point clouds is a fundamental step for smart grid. However, currently the transmission tower construction method relies heavily on manual editing, which is far from the practical industrial application. This
Z. Wu, H. Wang, W. Yu, J. Xi, W. Lei, T. Tang   +5 more
doaj   +1 more source

Time-Varying Wind-Resistance Global Reliability Analysis of In-Service Transmission Tower Using High-Order Moments-Based Improved Maximum Entropy Method

Applied Sciences, 2023
The transmission tower is an important infrastructure for transmission lines. To secure the operation of the power grid, it is particularly important to evaluate the safety of the in-service transmission tower under the action of random wind loads ...
Cheng Liu, Tao Wang, Zhengqi Tang, Zhengliang Li   +3 more
doaj   +1 more source

Active Vibration-Based Condition Monitoring of a Transmission Line

Actuators, 2021
In the power system, the transmission tower is located in a variety of terrains. Sometimes there will be displacement, inclination, settlement and other phenomena, which eventually lead to the collapse of the tower. In this paper, a method for monitoring
Liuhuo Wang, Chengfeng Liu, Xiaowei Zhu, Zhixian Xu, Wenwei Zhu, Long Zhao   +5 more
doaj   +1 more source

Fragility Analysis of Wind-Induced Collapse of a Transmission Tower Considering Corrosion

Buildings, 2022
To investigate the variation law of the wind-resistant performance of transmission towers during their operation, this paper proposes an evaluation method for the wind resistance of the transmission tower considering corrosion, and a 220-kV transmission ...
Chuncheng Liu, Zhao Yan
doaj   +1 more source

Study on Wind Loads of Different Height Transmission Towers under Downbursts with Different Parameters

Buildings, 2022
Disaster investigation results have shown that most wind-induced damage to transmission towers is related to downbursts. To clarify the effects of downbursts’ parameters on transmission towers with different heights, studies were conducted on five ...
Zhisong Wang, Fei Yang, Yujie Wang, Zhiyuan Fang   +3 more
doaj   +1 more source