Development of an observational checklist for falling risk assessment of high-voltage transmission tower construction workers

2018 ◽  
Vol 68 ◽  
pp. 73-81
Author(s):  
Wen-Tarn Chang ◽  
Chiuhsiang Joe Lin ◽  
Yung-Hui Lee ◽  
Hung-Jen Chen
Keyword(s):  
Risk Assessment ◽  
High Voltage ◽  
Construction Workers ◽  
Transmission Tower ◽  
Falling Risk ◽  
High Voltage Transmission

Composite-Insulated Boom FEM Analysis for the Application of Aerial Work Platform

2012 ◽  
Vol 538-541 ◽  
pp. 886-889
Author(s):  
Dong Pyo Hong ◽  
Byoungkuk Lee ◽  
Chan Gon Park ◽  
Seung Ho Hwang ◽  
Seok Jun You ◽  
...  
Keyword(s):  
High Altitude ◽  
High Voltage ◽  
Fem Analysis ◽  
Load Reduction ◽  
Transmission Tower ◽  
Insulating Material ◽  
High Voltage Transmission

Telescopic aerial boom system is used transport the object or can be used to ease working high altitude. Installation of high voltage transmission tower due to urbanization is increasing. Because working on high places such as wiring Operations and electrical maintenance has increased the demand. Boom of aerial work platform are made of steel. So, necessity for safe isolation aerial work platform used for electrical work is increasing. This paper is proposed about applied to the material used in the aerial work platform boom. Insulating material was applied to the aerial work platform the last end boom in boom system. In this paper aerial work platform boom is characterized by apply insulating material and lightweight through self-load reduction and isolation. In this paper analyzes the design of the telescopic aerial boom system of applying the insulating material using the ansys. Then design was verified through comparison of the insulation telescopic aerial lift system and Mass-produced existing telescopic aerial boom system.

scholarly journals Design and Implementation of a New Climbing Robot for High Voltage Transmission Tower

2018 ◽  
Vol 428 ◽  
pp. 012071
Author(s):  
Wentao Jiang ◽  
Ronghai Liu ◽  
Yingchun Yang ◽  
Shuting Wan ◽  
Xinliang Guo ◽  
...  
Keyword(s):  
High Voltage ◽  
Climbing Robot ◽  
Transmission Tower ◽  
Design And Implementation ◽  
High Voltage Transmission

scholarly journals Characteristics of Rainfall in Wind Field of a Downburst and Its Effects on Motion of High-Voltage Transmission Line

2017 ◽  
Vol 2017 ◽  
pp. 1-11
Author(s):  
Chao Zhou ◽  
Li Li ◽  
Yibing Liu
Keyword(s):  
High Voltage ◽  
Transmission Lines ◽  
Unit Length ◽  
Transmission Tower ◽  
High Voltage Transmission Line ◽  
Vibration Model ◽  
Wind Velocities ◽  
Aerodynamic Property ◽  
High Voltage Transmission ◽  
Observation Results

Despite most weather-related failures of high-voltage transmission lines (HVTLs) being attributed to the downbursts accompanied by heavy rainfall, research works mainly focused on the behaviors of the high-voltage transmission tower-line structures under dry downburst winds. This paper thus presents a preliminary study to discuss the characteristics of rainfall in the downbursts and their effects on responses of HVTLs. Based on Vicroy model, the velocities of raindrops and their loads and pressure ratios of downburst wind-driven rain and only downburst wind on the surface of HVTLs per unit length are obtained. A downburst wind-rain induced vibration model is established to calculate the effects of the rainfall intensity and wind velocities on the motions of HVTLs. To verify the feasibility and accuracy of the model, the model is applied to evaluate responses of HVTLs with measured aerodynamic coefficients. The responses of HVTLs from the evaluated (the model) and the field observation results are compared. The results indicated that the model is feasible and can capture main features of the rainfall acting on HVTLs in the downbursts. Furthermore, the effects of rainfall cannot be neglected, and more attention should be paid to the wet downbursts and their effects on aerodynamic property of HVTLs.

scholarly journals Monitoring and Risk Assessment of Wildfires in the Corridors of High-Voltage Transmission Lines

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 170057-170069
Author(s):  
Yu Liang ◽  
Lawu Zhou ◽  
Jie Chen ◽  
Yong Huang ◽  
Ruizeng Wei ◽  
...  
Keyword(s):  
Risk Assessment ◽  
High Voltage ◽  
Transmission Lines ◽  
High Voltage Transmission

Abnormal Image Monitoring for Transmission Line Based on Digital Image Processing

2013 ◽  
Vol 710 ◽  
pp. 613-616
Author(s):  
Chun Jie Wang ◽  
Bo Xiang Xin
Keyword(s):  
Image Processing ◽  
Transmission Line ◽  
Digital Image Processing ◽  
High Voltage ◽  
Transmission Tower ◽  
Line System ◽  
High Voltage Transmission Line ◽  
Transmission Line Method ◽  
Image Monitoring ◽  
High Voltage Transmission

In the high-voltage transmission line system, the accidents have often occurred, and as a result of power line icing accidents are particularly prominent. In this paper, the author presents a DSP-based image monitoring of high voltage transmission line method. This method is use of high-voltage transmission tower-lines camera to collect the high voltage transmission line image in real time, and directly processing the image in DSP. If wires normal, it will not send pictures to the center and if the abnormal occurred, it will calculate the thickness of ice covering wires, converting the image to JPEG. This article designed and implemented the DSP-based image monitoring of high voltage transmission line algorithm exception, run successfully in the simulation and emulation system which can be used for monitoring of high voltage transmission line icing conditions online.

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