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IEEE Transactions on Electrical Insulation

Issue 5 • Oct. 1980

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Displaying Results 1 - 16 of 16
  • Table of contents

    Publication Year: 1980, Page(s): c1
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  • IEEE Electrical Insulation Society

    Publication Year: 1980, Page(s): c2
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  • The Effects of Heat Treatment on Dissipation Factors of Silicone Rubber

    Publication Year: 1980, Page(s):373 - 381
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1015 KB)

    Silicone rubber specimens have been prepared by the reaction of a, w-dihydroxypoly(dimethylsiloxane) with tetraethoxysilane using dibutyltin dilaurate as a catalyst at a relative humidity of 100% at 25°C. The vulcanized rubber specimens were subsequently heattreated at 200°C in N2 and O2 atmospheres and their dissipation factors measured at 50 Hz between 20 to 200°C in air. It was found that th... View full abstract»

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  • The Influence of Morphology on the Electric Strength of Polymer Insulation

    Publication Year: 1980, Page(s):382 - 388
    Cited by:  Papers (67)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4370 KB)

    This paper describes the effect of morphological structure on the electric strength and some physico-chemical properties of polymers with flexible chains (HDPE, LDPE, PP) and polymers with rigid chains (CA). It is shown that a polymer body has a discrete structure consisting of elements of different densities. The most regular structure with high density is characteristic of spherulites. Their siz... View full abstract»

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  • Water and Ion Absorption by Polyethylene in Relation to Water Treeing

    Publication Year: 1980, Page(s):389 - 393
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (735 KB)

    Water absorption by polyethylene (PE) is discussed in relation to water treeing. Two steps have been considered: the first is water diffusion into undamaged PE, the second is water migration into growing water-tree channels. A critical discussion of published data is presented. Diffusion of water and Na+ ions into a low density PE film is studied by a radiotracer method in the absence of water-tre... View full abstract»

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  • Initial Tree Growth in PMMA

    Publication Year: 1980, Page(s):394 - 397
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (441 KB)

    This paper describes a study of tree growth in polymethylmethacrylate (PMMA) at the inception voltage under surge and dc conditions. Inception voltage and initial tree penetration are sensitive to polarity, a consequence of space charge injection. All trees are composed of similar branch segments. Results are discussed in terms of the PMMA structure. View full abstract»

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  • Lief Characteristics of Insulated Wire Subjected to Short Time, High Current Faults

    Publication Year: 1980, Page(s):398 - 403
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (907 KB)

    This paper reports a study of the damage done to insulated wire by high currents which act during the brief time necessary for protective devices to clear a bolted short circuit. The damage was measured by the decrease in dielectric strength related to various values of the time integral of the square of the current. This is called I2t. One major advantage of this approach is the definiteness with... View full abstract»

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  • Influence of Dielectric Liquid on Arc Extinction in Reed Switches

    Publication Year: 1980, Page(s):404 - 412
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6812 KB)

    The aim of this paper was to investigate the influence of the dielectric liquid on reed capability and reed life. Experiments have been carried out for inductive currents in such dielectric liquids as liquid nitrogen and mineral oil. The reed resistance, electric strength of the gap, transient voltage across the gap during discharges have been measured, and the contact topography also was investig... View full abstract»

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  • Breakdown Gradients in SF6-N2, SF6-Air and SF6-CO2 Mixtures

    Publication Year: 1980, Page(s):413 - 418
    Cited by:  Papers (51)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (638 KB)

    A method to calculate the uniform field breakdown gradients for SF6-N2, SF6-air and SF6-CO2 mixtures is discussed. Calculated values of the breakdown gradients in these mixtures are compared with experimentally measured values using plane-plane electrode configuration and direct applied voltages. The results show a reasonably good degree of agreement between the calculated and the measured values. View full abstract»

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  • Improving the Voltage Holdoff Performance of Alumina Insulators in Vacuum Through Quasimetallizing

    Publication Year: 1980, Page(s):419 - 428
    Cited by:  Papers (40)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1554 KB)

    Treatment of the surface of an alumina insulator with coatings incorporating varying amounts of Cr, Mn, and Ti can increase the vacuum voltage holdoff capability of the insulator significantly (up to 25%). During processing (quasimetallizing) the coating penetrates into the alumina, making it insensitive to mechanical damage. This quasimetallizing treatment is also compatible with subsequent metal... View full abstract»

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  • General Properties of Mixtures of Paraffinic Insulating Oil with Alkylbenzenes

    Publication Year: 1980, Page(s):429 - 433
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (749 KB)

    Mixtures of a paraffinic-base electrical insulating oil for oil-filled transformer use with a branchedchain type alkylbenzene with high viscosity, a branchedchain type dodecylbenzene and a straight-chain type dodecylbenzene were evaluated for improving the characteristics of a paraffinic mineral oil for transformer use. It has been demonstrated that blending the alkylbenzenes in the paraffinic oil... View full abstract»

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  • Meetings

    Publication Year: 1980, Page(s): 434
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  • How 600 Libraries in 38 Countries Help Keep Their Readers Abreast of Electrotechnology.

    Publication Year: 1980, Page(s): 434-a
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  • We Invite You to become a Member of the IEEE Electrical Insulation Society

    Publication Year: 1980, Page(s): 434-b
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  • IEEE Electrical Insulation Society

    Publication Year: 1980, Page(s): 434-c
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  • Information for authors

    Publication Year: 1980, Page(s): 434d
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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