Results 151 to 160 of about 827 (204)

Temperature Researches of Porcelain Insulator

Advanced Materials Research, 2013
When porcelain insulator operates in a harsh environment for a long time, it will cause leakage current increase, and lead to heating phenomenon. As a result, the temperature of porcelain insulator can be changed, which probably due to crack, breakdown or other factors.
Zhen Gang Zhao, Ying Na Li, Tao Xie
exaly   +2 more sources

Effect of cullet on firing temperature and dielectric properties of porcelain insulator [PDF]

Heliyon, 2022
Adane Muche Abebe, Eaba Geleta
exaly   +2 more sources

Effects of Alumina on Porcelain Insulators

, 2016
WOS ...
Aydin, Tuna, Kara, Alpagut
core   +4 more sources

Low-Carbon Composite Based on MOC, Silica Sand and Ground Porcelain Insulator Waste

Processes, 2020
Magnesium oxychloride cement-based composites (MOC) with silica sand/porcelain waste blended fillers were designed and tested. The objective of the presented research was to design and test low carbon, eco-friendly and viable alternatives to Portland ...
Adam Pivak, Milena Pavlikova, Martina Zaleska   +2 more
exaly   +2 more sources

A solution of the porcelain insulator problem

Journal of the American Institute of Electrical Engineers, 1921
MANY YEARS ago porcelain insulators on transmission lines began to crack in great numbers. In the earlier cases a few disks in many strings had cracked before the transmission engineers had discovered the condition. Indeed, there was at that time no reason to believe that insulators would deteriorate in any way.
E. E. F. Creighton, F. L. Hunt
openaire   +1 more source

The impulse characteristics of porcelain insulators

Journal of the Institution of Electrical Engineers - Part I: General, 1941
This report deals with the flashover voltage of insulators and gaps subjected to impulse voltages of different wave-shapes, with the relation between crest voltage and time to flashover at voltages above the minimum required for flashover, with breakdown while the voltage is rising rapidly, with the simultaneous application of impulse and alternating ...
G.W. Bowdler, W.G. Standring
openaire   +1 more source

Vacuum Evaporation of Porcelain Mixture in Production of Porcelain Insulators

Glass and Ceramics, 2005
The process of vacuum evaporation of porcelain mixtures on vacuum presses and the ways for improving the production of porcelain insulators are considered. A calculation of unit molding pressure is proposed; the pressure distribution along the press and depending on the moisture of the mixture is indicated.
V. F. Gaivoronskii, A. I. Postoronko
openaire   +1 more source

Investigation of Porcelain Insulators at High Altitudes

Transactions of the American Institute of Electrical Engineers, 1946
The use of high voltage apparatus in military aircraft made it necessary to obtain flashover data on capacitor bushings at altitudes up to 50,000 feet. Some of the more pertinent data are presented in this paper which gives a-c and d-c flashover voltages for porcelain bushings having spacings of 5/8 inch to 2 7/8 inches from cap to ring. The tests were
C. V. Fields, C. L. Cadwell
openaire   +1 more source

The production of porcelain for electrical insulation — IV

Journal of the American Institute of Electrical Engineers, 1923
This article contains several excerpts taken from papers presented at recent meetings of the San Francisco and Los Angeles Sections by Dr. Joseph A. Jeffery on “Modern Methods of Firing High-Voltage Porcelain.” The pyrochemical reactions which take place during firing have been described1.
openaire   +1 more source

The application of porcelain to strain insulators

Proceedings of the American Institute of Electrical Engineers, 1910
Porcelain possesses some qualities which make it a very good material for line insulators and especially strain insulators. It can be moulded and worked into almost any desired form or size; when made of proper materials and properly burned it has practically no depreciation when exposed to the weather, acid fumes or gases, which sometimes create so ...
openaire   +1 more source