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Decomposition Gases of Insulating Oil in Oil-impregnated Paper Insulation System with an Oil Gap
IEEJ Transactions on Fundamentals and Materials, 2021Yuta Makino +4 more
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Journal of the Institution of Electrical Engineers - Part I: General, 1942
In this paper, an endeavour has been made to indicate the present position in this country of the insulating oils and compounds which are available for cables, and to describe their behaviour in impregnating plants.The oils are of the paraffinic and naphthenic types and either class may be used in oil-rosin compounds.
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In this paper, an endeavour has been made to indicate the present position in this country of the insulating oils and compounds which are available for cables, and to describe their behaviour in impregnating plants.The oils are of the paraffinic and naphthenic types and either class may be used in oil-rosin compounds.
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1988
Description This symposium was organized to update information on the important role of petroleum-based oil as an insulating and heat transfer agent in electrical apparatus.
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Description This symposium was organized to update information on the important role of petroleum-based oil as an insulating and heat transfer agent in electrical apparatus.
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D-C cleanup in insulating oils
Electrical Engineering, 1935Three unusual types of behavior of insulating oils have been subjected to a series of experiments which indicate that all 3 are closely related. These types of behavior are the reduction of conductivity and a-c dielectric loss following a sustained application of continuous potential (called ``d-c cleanup''), the current-time relation under continuous ...
J. B. Whitehead, S. H. Shevki
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The Reclamation of Insulating Oils
1953The reclamation of insulating oils, including reconditioning, re-refining, and inhibiting, is of growing importance to power system operators. Recent developments in a long-studied power system maintenance program have furnished the basis for a new concept of the operating characteristics of insulating oils.
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Reconditioning of Insulating Oils by Activated Alumina
Transactions of the American Institute of Electrical Engineers, 1939THE use of insulating oil in electrical equipment carries with it the problem of prevention of deterioration when the oil is subjected to elevated temperatures in the presence of air. Deterioration may be accelerated by the presence of moisture and organic acid. This condition is found in certain types of transformers and oil-filled bushings.
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Oil stresses in impregnated-paper insulation
Electrical Engineering, 1945RECENT EXPERIMENT on fully impregnated cable-type paper insulation, has shown that under certain conditions use of a paper of low density results in a higher dielectric strength than does the use of a paper of higher density.1 It has also been shown that failure of such insulation usually begins in the oil channels between successive turns of paper ...
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Effect of Oil Pressure on Insulation Strength
Transactions of the American Institute of Electrical Engineers, 1934The effect of high oil pressure upon the electrical strength of cable insulation has been subjected to a series of tests which are reported in this paper. These tests show that an increase in pressure will result in an increase in the breakdown voltage, the magnitude depending upon the time duration of the test.
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