Results 21 to 30 of about 1,422 (223)

Coupling characteristics of lightning impulsive current on the underground coaxial cables

IOP Conference Series: Earth and Environmental Science, 2020
Abstract In this work, we analyzed the influence of lightning electromagnetic impulses on the underground coaxial cables through environmental simulation and got such conclusions. 1) The coupling voltage is proportional to the length of the underground coaxial cable.
Xue Jiao, Qilin Zhang, Hongyan Xing, Junchi Zhou   +3 more
openaire   +1 more source

CALCULATION AND EXPERIMENTAL ESTIMATION OF RESULTS OF ELECTRO-THERMAL ACTION OF RATIONED BY THE INTERNATIONAL STANDARD IEC 62305-1-2010 IMPULSE CURRENT OF SHORT BLOW OF ARTIFICIAL LIGHTNING ON THE THIN-WALLED COVERAGE FROM STAINLESS STEEL

Electrical engineering & Electromechanics, 2017
Purpose. Calculation and experimental researches of electro-thermal resistibility of the pre-production thin-walled sheet models of outward roof of height technical buildings from stainless steel are easily soiled 12Х18Н10Т to direct action on them ...
M. I. Baranov, V. V. Kniaziev, S. V. Rudakov   +2 more
doaj   +1 more source

Computation of Lightning Current from Electric Field Based on Laplace Transform and Deconvolution Method

Energies, 2021
A method for computation of the lightning channel base current from the corresponding vertical component of lightning electric field was presented. The algorithm was developed by applying Laplace transform.
Grzegorz Karnas
doaj   +1 more source

Study on the reliability of new kind of ±1 100 Kv DC voltage divider under the action of impulse voltage

The Journal of Engineering, 2019
To meet the special insulation demand of the DC transmission system with the highest voltage in the world, a new kind of ±1 100 kV DC voltage divider is designed.
Wu Shipu, Pang Wenlong, Yang Zhining, Zhang Kejie, Wu Xixiu   +4 more
doaj   +1 more source

Impacts of Lightning-Induced Overvoltage on a Hybrid Solar PV–Battery Energy Storage System

Applied Sciences, 2021
With increased electrical energy demands projected in the future, the development of a hybrid solar photovoltaic (PV)–battery energy storage system is considered a good option. However, since such systems are normally installed outdoors and in open areas,
Nor Izzati Ahmad, Zaipatimah Ali, Mohd Zainal Abidin Ab. Kadir, Miszaina Osman, Nur Hazirah Zaini, Muhammad Hakirin Roslan   +5 more
doaj   +1 more source

SPD in illumination system of HV air insulated substation [PDF]

E3S Web of Conferences, 2020
The article discusses the distribution of the lightning current between communications of the object as the main aspect determining surge protective devices (SPDs) parameters for applying in substation’s low voltage networks. Wireframe model was designed
Kosorukov Anton, Karpov Pavel, Kutuzova Nataliya, Pashicheva Svetlana, Titkov Vasiliy   +4 more
doaj   +1 more source

Investigation on the Physical Properties of Varistors According to Temperature

IEEE Access, 2022
This study aims to determine the basic physical properties of varistor, which is a protective element in a surge protection device (SPD) used to prevent damage to electric and electronic equipment due to lightning.
Ahran Min, Sin-Dong Kang, Jae-Ho Kim
doaj   +1 more source

Analysis of Lightning Transient Characteristics of Short-Length Mixed MMC-MVDC Transmission System

IEEE Access, 2023
Medium voltage direct current (MVDC) transmission system are growing due to their assistive quality in conventional grid and compatibility with renewable power network. MVDC distribution links with “Mixed” overhead (OH) & underground
Muhammad Usman, Kyu-Hoon Park, Bang-Wook Lee   +2 more
doaj   +1 more source

Arc-extinguishing characteristics of semi-enclosed structures based on theory of positive shock wave reflection

AIP Advances, 2022
Lightning current in the process of discharge can cause the potential differences between insulators to rise, hindering the normal operation of the equipment.
Yuning Chen, Jufeng Wang, Ping Huang, Yanlei Wang, Yiyi Zhang   +4 more
doaj   +1 more source

The Physical Experimental Modelling of the Formation Processes of Upward Discharges from Grounded Objects in the Artificial Thunderstorm Cell’s Electric Field

Atmosphere, 2022
The results of the physical modelling of the formation processes of upward discharges from grounded objects in the artificial thunderstorm cell’s electric field are presented. We established the considerable influence of the electrode tip’s radius on the
Nikolay Lysov, Alexander Temnikov, Leonid Chernensky, Alexander Orlov, Olga Belova, Tatiana Kivshar, Dmitry Kovalev, Garry Mirzabekyan, Natalia Lebedeva, Vadim Voevodin   +9 more
doaj   +1 more source