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IEEE Transactions on Electrical Insulation

Issue 4 • Dec. 1970

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Displaying Results 1 - 11 of 11
  • Table of contents

    Publication Year: 1970, Page(s): c1
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  • IEEE Electrical Insulation Group

    Publication Year: 1970, Page(s): c2
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  • Editorial

    Publication Year: 1970, Page(s): 95
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  • Partial Discharges in Electrical Insulation under Combined Alternating and Impulse Stresses

    Publication Year: 1970, Page(s):96 - 103
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1239 KB)

    A study has been made of the partial discharge characteristics of artificial cavities in polyethylene under combined 60-Hz and negative 1.2/50-μs impulse stresses, the amplitude of the altemating stress being below discharge inception value. Samples of cross-linked and low-density polyethylenes were tested. The discharge sequence was derived from the results of previous tests, which used o... View full abstract»

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  • Some Factors Preventing the Attainment of Intrinsic Electric Strength in Polymeric Insulations

    Publication Year: 1970, Page(s):104 - 112
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1775 KB)

    While the intrinsic electric strength of polymeric insulating materials is of the order of hundreds of kilovolts per millimeter, the service stress in actual insulations is lower by approximately two orders of magnitude. The objective of the work described in this paper is to establish how much the electric strength of polymers is affected by the following factors, in which there is a difference b... View full abstract»

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  • Dielectric Losses in Solid-Liquid Insulating Systems - Part I

    Publication Year: 1970, Page(s):113 - 121
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1771 KB)

    A comparative study has been carried out on the dielectric-loss behavior of kraft-paper cable models impregnated with standard insulating oils and silicone liquids of the same viscosity range. It has been found that the ionic conduction losses in the solid-liquid systems are more affected by the viscosity than the chemical structure of the impregnant. Cable models impregnated with the low-viscosit... View full abstract»

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  • Large Scale Dielectric Test of Transformer Oil with Uniform Field Electrodes

    Publication Year: 1970, Page(s):121 - 126
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1882 KB)

    Results of 60-Hz breakdown tests of transformer oil obtained with 3-, 15-, and 30-cm-diameter brass, copper, and aluminum electrodes are analyzed. The influence of the electrode area as well as the influence of different electrode materials is shown. It is suggested that for evaluation purposes of transformer oil, the statistical occurrence of the minimum, mean, and maximum values should be applie... View full abstract»

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  • Contributors

    Publication Year: 1970, Page(s):126 - 127
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  • Author index

    Publication Year: 1970, Page(s): 128
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  • Subject index

    Publication Year: 1970, Page(s): 129
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  • IEEE Guide for the Preparation of Test Procedures for the Thermal Evaluation of Insulation Systems for Electric Equipment

    Publication Year: 1970, Page(s):130 - 133
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Aims & Scope

This Transactions ceased production in 1993. The current retitled publication is  IEEE Transactions on Dielectrics and Electrical Insulation.

Full Aims & Scope