Results 1 to 10 of about 519,505 (133)

Investigation of lightning ignition characteristics based on an impulse current generator [PDF]

open access: yesEcology 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   +2 more sources

Harnessing Thor's Hammer: Experimentally induced lightning trauma to human bone by high impulse current [PDF]

open access: yesForensic Science International: Synergy, 2021
Lightning fatality identification relies primarily on soft tissue traumatic pattern recognition, prohibiting cause of death identification in cases of full skeletonisation.
Nicholas Bacci   +7 more
doaj   +2 more sources

Current Sensor with Optimized Linearity for Lightning Impulse Current Measurement [PDF]

open access: yesSensors
Impulse current measurement technology is widely used in various applications, including lightning protection monitoring in power systems, welding current measurement in aircraft and shipbuilding industries, as well as high-current measurement in pulsed ...
Wenting Li   +7 more
doaj   +2 more sources

About the stabilization of the dendritic structure of GG brand copper powder [PDF]

open access: yesChimica Techno Acta, 2015
In industry copper powder is recieved under constant DC. Surface roughening occurs during evolution of the dendritic particles. It is suggested to create a new impulse of current equal to the initial current density of 3200 A/m2 in order to obtain ...
O. G. Reznikova   +2 more
doaj   +3 more sources

A new backup automatic switch scheme for large-scale photovoltaic power stations

open access: yes电力工程技术, 2023
With the integration of large-scale photovoltaic power stations into power grids, the traditional strategy of the backup automatic switch is affected. When a grid fault occurs, due to the existence of photovoltaic power sources, the busbar voltage at the
CAI Qian   +5 more
doaj   +1 more source

ЗАЛЕЖНІСТЬ ДИНАМІЧНИХ ХАРАКТЕРИСТИК ІМПУЛЬСНИХ СТРУМІВ ЕЛЕКТРОРОЗРЯДНИХ УСТАНОВОК ВІД ВІДДАЛЕНОСТІ ЇХНЬОГО ТЕХНОЛОГІЧНОГО НАВАНТАЖЕННЯ

open access: yesПраці Інституту електродинаміки Національної академії наук України, 2022
The paper investigates the influence of the distant technological load from electric discharge installations (EDIs) with capacitive storage of electricity on the dynamic characteristics of impulse currents in the load.
А.А. Щерба   +4 more
doaj   +1 more source

Micro-Degradation Characteristics and Mechanism of ZnO Varistors under Multi-Pulse Lightning Strike

open access: yesEnergies, 2020
In view of the problem that ZnO varistors are often subjected to thermal breakdown and deterioration due to lightning strikes in low-voltage power distribution systems, this article used a 8/20 µs multi-pulse surge current with a pulse time interval of ...
Chunlong Zhang   +4 more
doaj   +1 more source

On the Characterisations of the Impulse Breakdown in High Resistivity Soils by Field Testing

open access: yesEnergies, 2021
This paper presents experimental results of high-current impulse tests on six ground electrode configurations. A high impulse current generator is employed to inject different magnitudes of current into these rod electrodes, under both positive and ...
Abdul Wali Abdul Ali   +1 more
doaj   +1 more source

Study on Evaluation Method of Impulse Dispersion Performance of Grounding Device Using X-ray Imagining System

open access: yesEnergies, 2021
When the lightning current enters the ground through the grounding system, the impulse dispersion performance can be observed by the phenomenon of soil spark discharge, which is fundamentally determined by the nearby soil.
Xiaoyan Han   +5 more
doaj   +1 more source

Equivalent circuit model of tower based on full-wave analysis

open access: yesEnergy Reports, 2022
The tower model is very important for the assessment of lightning protection for transmission line. The parameters of tower model mainly rely on the impulse experiments of tower.
Chun Li   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy