Results 31 to 40 of about 314,581 (221)

The effect of lightning impulse characteristics and line arrester to the lightning protection performance on 150 kV overhead lines: ATP-EMTP computational approach

Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2019
This simulation study presents the effect of lightning strikes on the performance of arresters at 150 kV overhead lines. Lightning strikes have several parameters that affect the performance of line arresters (LA), namely lightning charge, and impulse ...
Fri Murdiya, Febrizal Febrizal, Cecilia Stevany, Havel Alindo Sano, Firdaus Firdaus   +4 more
doaj   +1 more source

Study on Spatial-Temporal Distribution Characteristics of the Discharge Process in a 1 m Rod-Plate Gap Under Different Polarity Lightning Impulses

IEEE Access, 2019
The observation of the air gap discharge process is the basis of revealing the physical mechanism of gas discharge and establishing the accurate numerical simulation model.
Yaqi Zhang, Yongxia Han, Wenbo Zheng, Jie Yang, Lu Qu, Gang Liu, Xiangen Zhao, Licheng Li   +7 more
doaj   +1 more source

10/350 µs Lightning Impulse Current Behavior of a Conductive Fabric

, 2021
Lightweight Portable Lightning Protection Shelters require the use of new materials capable of supporting the high current densities associated with lightning currents.
Acosta, Cristian,, Lobato, André,, Daniel Rodriguez, Cristancho, Jorge,, Andre Lobato, Mahbubur Rahman, Roman, Francisco,, Rodriguez, Daniel,, Francisco Roman, Jorge Rodriguez, Jorge Cristancho, Cristian Acosta, Rahman, Mahbubur,, Rodriguez, Jorge,   +13 more
core   +1 more source

Research on the Lightning Intruding Overvoltage and Protection Measures of 500 kV AC Fault Current Limiter

Energies, 2019
As one of the key technologies to solve the problem of high short-circuit current, the fault current limiter (FCL) has become a research hotspot in China and abroad.
Changfu Chen, Yongxia Han, Junxiang Liu, Wenxiong Mo, Zhao Yuan, Jianning Huang, Haibo Su, Xiancong Zhang, Kaijian Wu   +8 more
doaj   +1 more source

Gaseous by-products of a CF3I-CO2 gas mixture under lightning impulse and AC breakdowns

, 2017
This paper examines the use of a CF3I-CO2 gas mixture as an environmentally friendly insulation medium in high voltage gas insulated equipment. The gaseous by-products of a 30:70% CF3I:CO2 (Trifluoroiodomethane – Carbon dioxide) gas mixture are examined ...
Haddad, A, Widger, Phillip
core   +5 more sources

Long-Range Lightning Interferometry Using Coherency

Remote Sensing, 2023
Traditional lightning detection and location networks use the time of arrival (TOA) technique to locate lightning events with a single time stamp. This contribution introduces a simulation study to lay the foundation for new lightning location concepts ...
Xue Bai, Martin Füllekrug
doaj   +1 more source

Lightning Impulse Current Tests on some Electroconductive Fabrics [PDF]

, 2023
On the search of lightweight lightning protection materials that can be used as part of lightning protection systems, we investigate some types of electroconductive fabrics by applying several lightning impulse currents in laboratory.
Q., Liz K. Herrera, Jorge Alejandro Cristancho, C., Jorge A. Cristancho, Carlos Andrés Rivera, A., John J. Pantoja, G., Carlos A. Rivera, Roman, Francisco, Liz Karen Herrera, Francisco Román, M., Jorge E. Rodriguez, Jorge Enrique Rodriguez, John Jairo Pantoja   +11 more
core   +1 more source

Observations of X-ray in 4-meters long laboratory sparks under positive lightning impulse

, 2021
In this paper, the observation of X-rays in 4-meters long laboratory sparks is presented for the first time. In this study, a total of 20 standard positive lightning impulse voltages (1.2/50 mu s) with measured peak voltages between 3.0 to 3.2 MV were ...
Andre Lobato, Cooray, Vernon,, Vernon Cooray, Wooi, Chin-Leong,, Lobato, André,, Mahbubur Rahman, Hettiarachchi, Pasan,, Pasan Hettiarachchi, Rahman, Mahbubur,, Chin-Leong Wooi   +9 more
core   +1 more source

Investigation of lightning ignition characteristics based on an impulse current generator

Ecology and Evolution, 2019
Lightning strike is an important ignition source of forest fires. Artificial lightning discharge is a method for studying lightning fires. However, there is not enough data on the ignition of combustible materials caused by artificial lightning discharge.
Junwei Feng, Hao Shen, Dong Liang
doaj   +1 more source

Study on Influencing Factors of Insulators Flashover Characteristics on the 110 kV True Tower Under the Lightning Impulse

IEEE Access, 2018
Lightning strike is the main reason for the transmission line tripping. Studies on the insulator flashover characteristics and the accurate flashover criteria under the lightning impulse are the basis for correctly evaluating the lightning resistance ...
Yongxia Han, Yaqi Zhang, Yaoxuan Ruan, Jie Yang, Wenbo Zheng, Gang Liu, Hansheng Cai, Licheng Li   +7 more
doaj   +1 more source