Results 31 to 40 of about 664 (264)
Mechanism Analysis and Multiphysics Validation of Lightning Attenuation in Constrained Space
IEEE 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
Experimental Investigation of Impulse Characteristics of Transmission Line Tower Footings [PDF]
, 2012 Understanding the impulse response of tower grounding systems is a key factor in the determination of the lightning performance of transmission lines and the safety voltages near high voltage towers.
Ullah, Niamat +4 more
core +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 +2 more
doaj +1 more source
A New Flexible Graphite Composite Electrical Grounding Material
Frontiers in Materials, 2022 Corrosion is an inevitable problem of metallic grounding grids. To propose an effective method avoiding the above corrosion, a new type of non-metallic grounding material was made in this paper. It is called flexible graphite composite grounding material,
Tao Huang +7 more
doaj +1 more source
Ground Potential Rise and Transient Response of the Grounding Grid Based on the Triggered Lightning
应用气象学报, 2020 It is extremely dangerous of ground grid potentials which significantly rise when the lightning currents are flowing through the grid. A statistical analysis on 39 return-strokes, 10 M-components and the ground potential rise (GPR) caused by them based ...
Yan Xu +4 more
doaj +1 more source
Laser‐Induced Graphene from Waste Almond Shells
Advanced Functional Materials, EarlyView.Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova +9 more
wiley +1 more source
Impulse Characteristics of Ground Electrodes Over Time (10 Months)
, 2022 One of the parameters to be considered when designing the grounding system is the soil resistivity. The soil resistivity is expectedly to change over time due to changes in water content, soil migration, chemical and fluid composition and temperature in ...
Ahmad, Nurul Nadia +2 more
core +1 more source
Lightning current performance of conventional and enhanced rod ground electrodes [PDF]
, 2021 The correct operation of surge arresters under lightning and switching transient conditions requires that grounding be effective at high frequencies as well as at power system frequency.
Clark, David +4 more
core +1 more source
Advanced Functional Materials, EarlyView.Ferroelectric tunnel junction devices based on epitaxial undoped ferroelectric HfO2 films demonstrate stable switching endurance of over 106 switching cycles, low write voltages of ±3 V, 16 measured resistance states, and neuromorphic capability.
Markus Hellenbrand +13 more
wiley +1 more source
Influence of Pulse Interval on Soil Dispersion Characteristics under Continuous Impulse
Advances in Electrical and Computer EngineeringUnder continuous lightning strikes, the impulse dispersion characteristics of grounding devices more effectively indicate the effectiveness of tower grounding for lightning protection.
CAO, W. +4 more
doaj +1 more source