Results 21 to 30 of about 5,742 (252)

Seismic responses of a long-span transmission tower and tower-line system

open access: yesJournal of Physics: Conference Series, 2022
The seismic responses of a long-span transmission tower (LTT) and tower-line system (TL) are presented in the paper. The mode decomposition response spectrum method (MDR) and time domain analysis method (TD) are both employed to obtain the seismic responses.
Guohui Shen   +4 more
openaire   +1 more source

Icing risk assessment and reinforcement measures of 500 kV transmission tower

open access: yes电力工程技术, 2023
The existing of transmission line icing may lead to the collapse of the transmission tower and disconnection of the transmission line, which seriously threatens the safe and stable operation of power grid. In this paper, aiming at the typical icing lines
WEN Yi   +5 more
doaj   +1 more source

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

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   +1 more source

The Research of real-time identification system of types of lightning failures of UHV transmission lines based on UV detection technique [PDF]

open access: yesE3S Web of Conferences, 2020
Egineering running experience shows that with the increase of the operating voltage of the transmission line, the lightning trip rate is increasing. According to theoretical calculation , UHV transmission lines should be provided with full lightning ...
Wang Yunlong   +3 more
doaj   +1 more source

Lightning Current Measurement Form and Arrangement Scheme of Transmission Line Based on Point-Type Optical Current Transducer

open access: yesSensors, 2023
Lightning strikes are the main cause of transmission line faults, and the accurate lightning current number is an important basis to guide scientific lightning protection.
Jinming Ge, Yibo Yin, Wei Wang
doaj   +1 more source

Wind induced coupling effects of transmission tower-line system at microtopography

open access: yesJournal of Physics: Conference Series, 2023
Abstract The coupled and uncoupled Dynamic Finite Element Models (DFEMs) of the transmission tower-line system consisting of two towers and three spans of conductors and ground wires were built at the windward and crosswind slope of a cosinoidal hill.
Weijun Zhong   +3 more
openaire   +1 more source

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   +1 more source

Research on the Wind-induced Vibration Coefficient of Transmission Tower-line System

open access: yesPhysics Procedia, 2012
AbstractThe six different non-linear finite element model of the transmission tower-line system which have different spans and different height difference was established by the finite element analysis software, and wind velocity time series with resorting to weighted amplitude wave superposition (WAWS) was simulated.
Chunming, Wei, Bin, Ma, Tingting, Su
openaire   +1 more source

Statistical Analysis of Wind-Induced Dynamic Response of Power Towers and Four-Circuit Transmission Tower-Line System

open access: yesShock and Vibration, 2018
Only one wind field model loading the transmission tower or the tower-line system was investigated in the previous studies, while the influence of two different wind field models was not considered.
Xiaolei Zhang, Yanzhong Ju, Fuwang Wang
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye   +33 more
wiley   +1 more source

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