Results 251 to 260 of about 418,742 (295)

A method for analyzing stability of tower-line system under strong winds

Advances in Engineering Software, 2019
Abstract Typhoon is a kind of bad weather affecting the safety of overhead transmission lines seriously. In recent years, mechanical failures, such as tower collapse and strand breakage from strong winds, have frequently occurred in coastal typhoon-prone areas in China.
Bo He, Mingxi Zhao, Wentao Feng, Yaping Xiu, Yu Wang, Lijun Feng, Yongjian Qin, Chukun Wang   +7 more
openaire   +3 more sources

Wind fragility assessment and sensitivity analysis for a transmission tower-line system

Journal of Wind Engineering and Industrial Aerodynamics, 2022
Jia Wang, Hong-Nan Li, Xing Fu, Zhi-Qian Dong, Zhi-Guo Sun   +4 more
openaire   +3 more sources

Typhoon-induced failure analysis of electricity transmission tower-line system incorporating microtopography

Engineering Failure Analysis
Xiangrui Meng, Li Tian, Ruisheng Ma, Laiyi Zhang, Juncai Liu, Xu Dong   +5 more
openaire   +3 more sources

Effects of Tower-Line Coupling on Seismic Vibration Control of Large Crossing Transmission Tower-Line System with TMD

Advanced Materials Research, 2011
At present, the effect of tower-line coupling is neglected in seismic vibration control with TMD for transmission tower-line system. However, for large crossing transmission tower-line system(LCTL), the neglect can affect the performance of TMD. In this study, a typical FEM model of LCTL is established.
Gang Wu, Chang Hai Zhai, Shuang Li
openaire   +1 more source

Analysis on Galloping Responses of Transmission Tower-Line System

Applied Mechanics and Materials, 2014
Nonlinear finite element model of a transmission tower-line system was set up and galloping of iced bundle conductors in the system was numerically simulated by means of ANSYS software. Based on galloping trajectories, vibration frequency, galloping order, conductor tension; unbalanced tension characteristics of iced conductors, it was shown that ...
Yu Xian Di, Kuan Jun Zhu, Bin Liu, Long Liu, Cao Lan Liu   +4 more
openaire   +1 more source

Seismic Responses of Multiple-Circuit Transmission Tower-Line System

Applied Mechanics and Materials, 2014
Compared with normal transmission towers, the multiple-circuit tower was higher and heavier,it also had a longer crossarm. Response spectral method was taken to analysis the transmission tower-line’s response under earthquake.The results obtained from single tower and tower-line system under the earthquake were compared with each other，such as the ...
Wei Kong, Shi Guang Men, Yun Fei Tao
openaire   +1 more source

Galloping of Transmission Tower-Line System and Anti-Galloping Research

Applied Mechanics and Materials, 2010
A nonlinear finite element model of transmission tower-line coupling system including transmissions, towers and insulators is established based on ANSYS in this paper. The restarting technology is proposed to solve the vertical, horizontal and torsional galloping of the transmission conductors.
Li Li, Wei Jiang, Hua Jin Cao
openaire   +1 more source

Strain Rate Effect on Transmission Tower-Line System under Earthquake

Advanced Materials Research, 2011
Using ABAQUS software, three dimensional finite element model of a transmission tower-line system is created. Nonlinear seismic responses under three seismic records with and without strain rate effect are studied. The results show that the strain rate effect on the transmission tower-line system is more obvious with an increase in intensity of the ...
Wen Ming Wang, Hong Nan Li, Guo Huan Liu, Li Tian   +3 more
openaire   +1 more source

DYNAMIC RESPONSES OF TRANSMISSION TOWER-LINE SYSTEM UNDER ICE SHEDDING

International Journal of Structural Stability and Dynamics, 2010
Ice shedding from conductors may easily induce electrical and mechanical accidents, which cause a serious threat to the safe operation of transmission lines. In this paper, a 3D finite element model of tower-conductor-ground wire-insulator system was established in ANSYS, and the dynamic responses of ice shedding under different cases were analyzed ...
FENGLI YANG, JINGBO YANG, JUNKE HAN, DONGJIE FU   +3 more
openaire   +1 more source

Rain load for transmission tower-line system

2017
This paper was reviewed and accepted by the APCWE-IX Programme Committee for Presentation at the 9th Asia-Pacific Conference on Wind Engineering, University of Auckland, Auckland, New Zealand, held from 3-7 December 2017.
Fu, Xing, Hong-Nan Li
openaire   +1 more source