Results 21 to 30 of about 114,124 (166)

The application of terahertz technology in ultra high voltage large tonnage insulator detection

open access: yesEnergy Reports, 2023
Among major nondestructive testing technologies (NDT), such as X-ray and ultra-sound, Terahertz (THz) waves present significant transmission rate through most of nonconductive materials without the need of applying couplant while posing zero ionized ...
Shengzhe Yang   +4 more
doaj   +1 more source

Comprehensive simulation of snow crystal deposition and electric field characteristics of composite sheath improved porcelain cantilever insulator in a wind and snow environment

open access: yesJournal of Measurement Science and Instrumentation, 2022
The installed porcelain insulators on existing railway lines in China are prone to "snow flash" in winter. In order to prevent the occurrence of "snow flash" and improve the reliability of the insulators, a composite-porcelain insulator is designed.
SHENG Wangqun   +4 more
doaj  

Analysis of Thermal Sensitivity by High Voltage Insulator Materials

open access: yesIEEE Access, 2020
Insulators serve bi-fold objectives of holding the conductor and electrical segregation from the grounded structure. For reliable operation of utility, electrical and mechanical strength of insulators are equally significant.
Taeyong Kim   +5 more
doaj   +1 more source

High-Tension Insulator Porcelain [PDF]

open access: yesTransactions of the American Institute of Electrical Engineers, 1920
Porcelain used in the manufacture of high-tensioin insulators must meet certain requirements as to mechanical strength, ability to resist, sudden changes of temperature, porosity, homogeneitv and temperature, coefficient of resistivity. A further suggestion as to the influences of the Piezo electric effect and the deterioration of seemingly perfect ...
openaire   +1 more source

Fabrication of electrical porcelain insulator from ceramic raw materials of Oromia region, Ethiopia

open access: yesHeliyon, 2019
Electrical porcelain insulator was fabricated from local ceramic raw materials, Bombowha kaolin/clay, Arero feldspar and Arero quartz available in Ethiopia.
Andualem Merga   +4 more
doaj   +1 more source

Potential and Electric Field Characteristics of Broken Porcelain Insulator [PDF]

open access: yes, 2017
Overhead line insulators can be damaged for various reasons during their service life. Porcelain or glass insulators once damaged can affect the reliability of power system networks.
Jamail, N. A. M.   +7 more
core   +1 more source

Electric field distribution on porcelain-type insulator under corona discharge [PDF]

open access: yes, 2018
Porcelain insulator is widely used in high voltage transmission due to its high stability and long service track record. However, despite the advantage, outdoor service insulator string is exposed to service conditions that lead to electrical discharge ...
Ho, Kian Tsong
core   +1 more source

Detection of Missing Insulator Caps Based on Machine Learning and Morphological Detection

open access: yesSensors, 2023
Missing insulator caps are the key focus of transmission line inspection work. Insulators with a missing cap will experience decreased insulation and mechanical strength and cause transmission line safety accidents.
Zhaoyun Zhang, Hefan Chen, Shihong Huang
doaj   +1 more source

Effect of binary raw materials replacement (quartz and feldspar) for porcelain chamotte on the electro-technical siliceous porcelain properties

open access: yesFrontiers in Materials, 2023
The hurry for ecological practices and waste control has emerged as an obligation in modern times, demanding precise strategies to restrain waste accumulation and to stimulate recycling and reuse actions to lower the climate effect.
Edén A. Rodríguez   +3 more
doaj   +1 more source

Mechanical property evaluation according to alumina content of aged porcelain insulator

open access: yesJournal of Materials Research and Technology, 2020
High-efficiency power transmission of is gaining importance in modern society. Studies based on the improvement of quality and performance of materials that are used for fabricating high-voltage insulators are being actively conducted.
Keekeun Kim   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy