Promising functional graded materials for compact gaseous insulated switchgears/pipelines

J Li, H Liang, Y Chen, B Du - High Voltage, 2020 - Wiley Online Library
The electric field distributions along gas‐solid interfaces determine the reliability, lifetimes
and sizes of gaseous insulated switchgears/pipelines (GIS/GIL), which also affect the …

Photon counting technique as a potential tool in micro‐defect detection of epoxy insulation pull rod in gas‐insulated switchgears

X Fan, S Niu, H Luo, J Liang, F Liu, W Li, W Liu… - High …, 2024 - Wiley Online Library
The micro‐defects in epoxy‐based insulation materials generate a local high electric field
which results in continuous degradation, seriously endangering the insulation system of gas …

Advanced automation system for charging electric vehicles based on machine vision and finite element method

M Talaat, I Arafa, HMB Metwally - IET Electric Power …, 2020 - Wiley Online Library
Electric vehicle (EV) technology proposed itself as a great solution for the predictable
shortage in traditional energy sources. Using wireless power transfer (WPT) technology for …

Optimum design of spacer material of gas-insulated switchgear by utilizing the technology of functionally graded material using different artificial optimization …

M Tayseer, M Talaat, MA Farahat - Surface and Coatings Technology, 2024 - Elsevier
Considering the reliable operation of Gas–Insulated Switchgear (GIS) system within higher
voltages, the optimal performance of solid spacer is one of the most effective topologies in …

[HTML][HTML] Impact of Air Gap Defects on the Electrical and Mechanical Properties of a 320 kV Direct Current Gas Insulated Transmission Line Spacer

Y Deng, X Fan, H Luo, Y Wang, K Wu, F Liang, C Li - Energies, 2023 - mdpi.com
Air gap defects inside a spacer reduce its insulation performance, resulting in stress
concentration, partial discharge, and even flashover. If such gap defects are located at the …

Comparison of permittivity gradient in resin injected and simulated cone-shaped spacers

T Imai, M Takeuchi, Y Hoshina… - … on Dielectrics and …, 2019 - ieeexplore.ieee.org
Functionally graded materials are at the cutting edge of material technology. They will
enable high efficiency and downsizing of apparatus leading to energy conservation in the …

FEM analysis of elliptical void in insulator of GIS compartment based on electric field distribution

MR Ghasemzadeh, F Faghihi, SB Mozafari - Electric Power Systems …, 2023 - Elsevier
The growing population and the need to use clean and safe energy for public and industrial
use, has led engineers to look for safe ways to supply energy. Meanwhile, the use of GIS …

Effect of profiled surface on streamer propagation and the corner effect

F Wang, L Wang, S Chen, Q Sun… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Streamer behavior near dielectric surfaces is an important characteristic of gas-solid
electrical insulation systems. This paper presents the numerical study on the propagation of …

Novel spacer coated with functionally graded ZnO film for HVDC gas insulated line

BX Du, HC Liang, J Li - IEEE Transactions on Dielectrics and …, 2020 - ieeexplore.ieee.org
To achieve a more uniform electric field (E-field) distribution on a spacer surface in HVDC
gas insulated lines (GILs), novel spacers were fabricated by depositing ZnO films onto …

Dielectrically graded spacer for 126-kV GIS: Design and construction strategy

C Wang, WD Li, P Sun, YC Zhang… - … on Dielectrics and …, 2022 - ieeexplore.ieee.org
Dielectrically graded insulation (DGI) serving as an embodiment of functionally graded
materials in electrical insulation field displays extraordinary insulation strength compared …