Results 31 to 40 of about 865,254 (305)

Review of the Performance of High-Voltage Composite Insulators

open access: yes, 2022
In the present literature survey, we focused on the performance of polymeric materials encompassing silicone rubber (SiR), ethylene propylene diene monomer (EPDM) and epoxy resins loaded with micro, nano, and micro/nano hybrid fillers.
Mohammad Akbar, Muhammad Zaheer Saleem
core   +1 more source

Performance Analysis of Medium Voltage Porcelain and Polymer Cut-out Fuse Insulators under Lightning Impulse Wave Forms

open access: yesMehran University Research Journal of Engineering and Technology
Insulation is critical to reliable power system performance, including medium voltage cut-out fuse insulators that are crucial to protecting outdoor distribution lines, transformers, and equipment. In case of medium-voltage networks, these insulators are
Noor Nabi   +3 more
doaj   +1 more source

Numerical Simulation of Corona Discharge Plasma Affecting the Surface Behavior of Polymer Insulators

open access: yesEnergies
Corona discharge is a significant problem in the operation of high-voltage transmission and distribution systems, particularly for polymer insulators. Numerical simulation has become an effective tool for investigating the underlying physical mechanisms ...
Calvin Zogning   +2 more
doaj   +1 more source

Effects of RTV coating on the electrical performance of polymer insulator under lightning impulse voltage condition.

open access: yesPLoS ONE, 2017
Located near the equator, Malaysia is a country with one of the highest lightning densities in the world. Lightning contributes to 70% of the power outages in Malaysia and affects power equipment, automated network systems, causes data losses and ...
Farah Adilah Jamaludin   +5 more
doaj   +1 more source

New experimental study on the DC flashover voltage of polymer insulators: combined effect of surface charges and air humidity

open access: yesHigh Voltage, 2019
This research provides conclusions that can partially cover the lack of knowledge related to the effects of ambient atmospheric conditions on DC electric power transportation.
Mohammed Amer   +6 more
doaj   +1 more source

Influence of corona discharge on the hydrophobic behaviour of nano/micro filler based silicone rubber insulators

open access: yesMaterials Research Express, 2022
Silicone rubber is one of the most used outdoor insulation materials in the last few decades due to its improved performance in contaminated and humid conditions.
M Hijaaj Tahir   +2 more
doaj   +1 more source

Comparative study of AC and DC inclined plane tests on silicone rubber (SiR) insulation

open access: yesHigh Voltage, 2017
Currently there are no international standards for evaluating the tracking and erosion resistance of DC polymeric insulation under contaminated conditions.
Sharif F. Kaaiye   +1 more
doaj   +1 more source

Laboratory investigation of insulator contamination problems [PDF]

open access: yes, 1975
Includes bibliographical references.This thesis deals with the practical aspect of the laboratory examination of contaminated insulators. A technique which gives a pollution curve for cylindrical insulator models is described.
Travaglini, Mario
core   +1 more source

Vertically grown ultrathin Bi2SiO5 as high-κ single-crystalline gate dielectric

open access: yesNature Communications, 2023
Single-crystalline high-κ dielectric materials are desired for the development of future two-dimensional (2D) electronic devices. However, curent 2D gate insulators still face challenges, such as insufficient dielectric constant and difficult to obtain ...
Jiabiao Chen   +11 more
doaj   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy