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IEEE Transactions on Electrical Insulation

Issue 3 • June 1977

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Displaying Results 1 - 15 of 15
  • Table of contents

    Publication Year: 1977, Page(s): c1
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    Freely Available from IEEE
  • IEEE Electrical Insulation Group

    Publication Year: 1977, Page(s): c2
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  • Creepage and Clearance Distances in Electrical Equipment for Shipboard Use

    Publication Year: 1977, Page(s):191 - 199
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3004 KB)

    The influence of a number of ionic liquid contaminants and of some oils upon the tracking behavior of three typical insulants, (phenolic-bonded paper board, cellulose-filled alkyd molding and glass-filled polyester dough molding compound), is measured in terms of electrode separation (creepage) and resistance to tracking as determined by the wet contamination test of IEC 112. For any one contamina... View full abstract»

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  • Prebreakdown Processes Associated with Surface Flashover of Solid Insulators in Vacuum

    Publication Year: 1977, Page(s):200 - 208
    Cited by:  Papers (56)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2543 KB)

    A computer simulation of the insulator surface charging in vacuum under the application of a high voltage, is presented for alumina (A1203) insulator and for alumina insulators coated with cuprous oxide (Cu2O) and chromium oxide (Cr2O3). It is shown that the mode of surface charge distribution is dependent on the secondary emission yield of the insulator surface. Mleasurements of insulator- electr... View full abstract»

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  • Surface Flashover of Water Repellant Insulators under Moist Conditions

    Publication Year: 1977, Page(s):208 - 213
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (797 KB)

    A study was conducted to determine how surface moisture can lower the flashover strength of insulation, with particular reference to out-door high voltage insulation. Since water repellant greases are used to prevent flashover under moist, contaminated conditions, and since new insulator materials will have improved water repellancy, the study concentrated on surface wetting effects. Studies were ... View full abstract»

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  • Electrical Breakdown at Solid-Liquid Interfaces

    Publication Year: 1977, Page(s):214 - 218
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (761 KB)

    Observations of the electrohydrodynamic (EHD) motion of insulating oils in a static electric field, between plane parallel electrodes separated by an insulating support, are reported. A transition from laminar to turbulent flow in the bridged gap is observed near breakdown voltages. Velocity measurements support the observations of the onset of turbulent flow prior to flashoever while photographic... View full abstract»

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  • Water Tree Growth in Polyethylene under DC Voltage Stress

    Publication Year: 1977, Page(s):218 - 223
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3708 KB)

    Water trees have been experimentally grown in high molecular weight, low density polyethylene when subjected to a constant dc stress. Two major types of trees have been observed; bushy trees (one-half of a bow tie) emanating outward from microvoids and larger water channels penciling inward from the perimeter or outward from the center conductor. The coaxial dielectric was subjected to an average ... View full abstract»

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  • Partial Discharge Measurements over the Frequency Range 0.1 Hz to 50 Hz

    Publication Year: 1977, Page(s):224 - 233
    Cited by:  Papers (16)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1278 KB)

    The need for partial discharge (corona) measurements at very low frequencies is explained, and the results of tests on epoxy resin and polyethylene samples are given for the frequency range 0.1 Hz to 50 Hz. As no suitable commercial generator was available, a new type of low-frequency low-noise generator has been developed. The discharge detection system includes a pulse discrimination system for ... View full abstract»

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  • Breakdown Streamers in Coronas with Heated Discharge Electrode

    Publication Year: 1977, Page(s):234 - 236
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (506 KB)

    Experiments have been carried out on a wire-tube corona apparatus to measure the breakdown voltage and the maximum prebreakdown corona current with and without heating the discharge electrode. Positive and negative polarities were employed on discharge electrodes of different diameters in clean air at room temperature. The results showed that the triggering of the break- down streamers, and hence ... View full abstract»

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  • Statistical Analysis on the Electrical Failure Properties of the Form-Wound Epoxy Micaceous Insulation Systems for Rotating Machines

    Publication Year: 1977, Page(s):237 - 248
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2547 KB)

    FROM the test results obtained with various epoxy micaceous insulation systems used for form-wound coils of high voltage rotating machines, electrical failure properties such as breakdown voltage and voltage endurance time were analyzed statistically using a Weibull distribution. It has been determined both theoretically and experimentally, that these properties are governed by the size of a cable... View full abstract»

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  • Polarity Effect on Breakdown Voltage in Organic Liquids

    Publication Year: 1977, Page(s):249 - 250
    Cited by:  Papers (1)
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  • Erratum

    Publication Year: 1977, Page(s): 250
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  • Conference on Electrical Insulation and Dielectric Phenomena

    Publication Year: 1977, Page(s): 250
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  • Editorial

    Publication Year: 1977, Page(s): 251
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  • A Cordial Invitation to Apply for IEEE Membership ...

    Publication Year: 1977, Page(s): 251-a
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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