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IEEE Transactions on Electrical Insulation

Issue 6 • Date Dec. 1980

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Displaying Results 1 - 17 of 17
  • 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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  • Water Treeing in Polyethylene - A Review of Mechanisms

    Publication Year: 1980, Page(s):437 - 450
    Cited by:  Papers (41)  |  Patents (1)
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  • Accurate Corona Detector Calibrator

    Publication Year: 1980, Page(s):451 - 454
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (593 KB)

    This paper describes an accurate corona detector calibrator for use with test specimens of more than 150 pF. For a wide range of capacitance, built-in calibrators on conventional single-ended corona detectors show errors of two orders of magnitude or more, due to the inductance of their long leads and the single valued calibration coupling capacitors. This portable calibrator is accurate to 10 per... View full abstract»

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  • A Simple Method of Calculating Corona Loss on Unipolar DC Transmission Lines

    Publication Year: 1980, Page(s):455 - 460
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (573 KB)

    A simple method of calculating corona loss on a unipolar dc transmission line, without a ground wire, is presented in this paper. The simplification occurs due to the avoidance of double integration involved in Sarma and Janischewskyj's [1] method and also due to a justifiable linear approximation of the corona current density on the conductor surface for this simple geometry. The computer program... View full abstract»

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  • An Investigation into the Mechanism of Water Treeing in Polyethylene High-Voltage Cables

    Publication Year: 1980, Page(s):461 - 472
    Cited by:  Papers (38)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1793 KB)

    Water treeing is a well known fracture phenomenon in polyethylene (PE) and crosslinked polyethylene (XLPE) high voltage cable insulation. We studied two phenomena: (1) The insulation material is mechanically fatigued by electrostriction as is shown by measuring the relevant electrostriction constant, which moreover is compared with literature values on other polymers. The observed "electrostrictio... View full abstract»

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  • A Study on Microvoids and Their Filling I Crosslinked Polyethylene Insulated Cables

    Publication Year: 1980, Page(s):473 - 480
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4406 KB)

    Morphological changes of microvoids in steam-cured XLPE cable insulation by heat treatment were investigated using a scanning electron microscope. The observations showed that the voids are filled with low molecular weight material composed of crystalline and amorphous polyethylene which exuded from the surrounding bulk polymer. The filling rate and the properties of the LMWPE are dependent on the... View full abstract»

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  • Capability of Insulation Diagnosis for Mica-Resin Insulated Coils

    Publication Year: 1980, Page(s):481 - 490
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1158 KB)

    A group of bar coils were subjected to accelerated insulation degradation, and the correlations between various nondestructive test results and insulation breakdown voltage were investigated. Nondestructive test values measured for only the flat part of the insulation layer of the coils showed good correlation with breakdown voltage. For the nondestructive test results measured on the entire insul... View full abstract»

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  • Polymeric Insulation Damage Due to AC Surface Flashover

    Publication Year: 1980, Page(s):491 - 497
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4475 KB)

    Damage to various insulators used in telephone equipment, by a 60 Hz flashover between electrodes on the surface in air at atmospheric pressure, has been examined using a scanning electron microscope. Breakdown voltages between electrodes mounted on the insulating material and separated by approximately 1 mm were obtained. Insulation resistance before and after breakdown was measured. Each materia... View full abstract»

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  • The Signifcance of the Density of Transformer Oils

    Publication Year: 1980, Page(s):498 - 499
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    New evidence is presented to affirm the importance of density as a significant property of electrical insulating oils, under certain conditions; and to support the validity of literature references that claim that the density of ice can vary over a relatively wide range. View full abstract»

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  • Initial Results of a Study of Water Trees in XLPE by Infrared Spectroscopy

    Publication Year: 1980, Page(s):500 - 501
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

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  • Effect of Temperature on the Breakdown Probability of Liquid Dielectrics

    Publication Year: 1980, Page(s):502 - 505
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (521 KB)

    The effect of temperature on the probability of breakdown of mineral oil usinig power-frequency voltages has been investigated. Results of the breakdown probability are plotted on a Weibull distribuion and fit well in two straight lines intersecting at a certain transition point. This transition corresponds to a breakdown probability and a breakdown voltage which are temperat ure dependent. Result... View full abstract»

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  • Meetings

    Publication Year: 1980, Page(s): 506
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  • Author index

    Publication Year: 1980, Page(s):507 - 507-b
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  • Subject index

    Publication Year: 1980, Page(s):507b - 507e
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  • IEEE Eelectrical Insulation Society

    Publication Year: 1980, Page(s): 507-f
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  • Information for authors

    Publication Year: 1980, Page(s): 507g
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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