Results 1 to 10 of about 20,285 (246)

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

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   +2 more sources

A Cost-Effective Lightning Current Measuring Instrument with Wide Current Range Detection Using Dual Signal Conditioning Circuits [PDF]

open access: yesSensors, 2023
Lightning strikes can cause significant damage to critical infrastructure and pose a serious threat to public safety. To ensure the safety of facilities and investigate the causes of lightning accidents, we propose a cost-effective design method for a ...
Youngjun Lee, Young Sam Lee
doaj   +2 more sources

Study on the Application of Optical Current Sensor for Lightning Current Measurement of Transmission Line [PDF]

open access: yesSensors, 2019
Accurate and reliable lightning current data are the basis of lightning protection design. To measure lightning current data at different measurement locations in a transmission system, the limitations of traditional lightning current sensors are ...
Jin-ming Ge   +4 more
doaj   +2 more sources

Mechanism Analysis and Multiphysics Validation of Lightning Attenuation in Constrained Space

open access: yesIEEE Access, 2022
The problem of resistance reduction has always been the key and difficult point of lightning protection. However, the problem of reducing the grounding resistance efficiently has not been solved. A method is introduced in this paper to solve this problem
Yang Lu   +3 more
doaj   +1 more source

Research on Lightning Overvoltage of Oil-Gas Pipeline Caused by Lightning Strikes on Adjacent Electrical Transmission Line

open access: yesFrontiers in Energy Research, 2022
As natural lightning strikes on a transmission tower, lightning current will flow along grounding lines into the adjacent tower grounding grid. As lightning current is dispersed from the tower grounding grid into the soil, a lightning overvoltage may be ...
Shangmao Hu   +6 more
doaj   +1 more source

Research on lightning transient distribution characteristics of cable-stayed bridges

open access: yes暴雨灾害, 2023
Bridges are usually located at the junction of land and water, where the surrounding area is open terrain, making them to be easily damaged by lightning strikes.
Yajing SHI   +4 more
doaj   +1 more source

A parameterization of long-continuing-current (LCC) lightning in the lightning submodel LNOX (version 3.0) of the Modular Earth Submodel System (MESSy, version 2.54) [PDF]

open access: yesGeoscientific Model Development, 2022
Lightning flashes can produce a discharge in which a continuing electrical current flows for more than 40 ms. Such flashes are proposed to be the main precursors of lightning-ignited wildfires and also to trigger sprite discharges in the mesosphere ...
F. J. Pérez-Invernón   +3 more
doaj   +1 more source

Evaluation Method of Aircraft Lightning Current Conduction Path Based on Numerical Simulation

open access: yesHangkong gongcheng jinzhan, 2021
The lightning protection design and verification of aircraft are necessary measures to ensure the safety of pilots and aircraft, especially with the poor lightning protection ability of composite materials.
ZHEN Guoshuai, ZANG Jiazuo, QI Xuefeng
doaj   +1 more source

Estimation Method for Metal Damage Struck by Lightning Considering Probability Distribution of Lightning Current Parameters

open access: yesShanghai Jiaotong Daxue xuebao, 2020
Taking the commonly used metal material aluminum 3003 as an example, and based on the simulated lightning current metal damage test results in the four typical compositions of actual lightning current, the damage characterization parameters such as ...
LI Tianwei, LIU Lei, CHEN Jian
doaj   +1 more source

Determination of the probability of a lightning strike in the elements of the object taking into account the statistical distribution of the current value

open access: yesElectrical engineering & Electromechanics, 2023
Problem. Modern international standards in the field of lightning protection, when assessing the probability of a lightning strike into an object, do not take into account the statistical distribution of the lightning current. Goal.
V. V. Kniaziev
doaj   +1 more source

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