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IEEE Transactions on Electrical Insulation

Issue 6 • Date Dec. 1979

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Displaying Results 1 - 14 of 14
  • Table of contents

    Publication Year: 1979, Page(s): c1
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  • IEEE Electrical Insulation Society

    Publication Year: 1979, Page(s): c2
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  • Transient Behavior in Transformer Oils: Prebreakdown and Breakdown Phenomena

    Publication Year: 1979, Page(s):289 - 296
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1011 KB)

    A quantitative correlation between streamer velocities and impulse breakdown voltages has been established for point-plane geometries. We have extended these studies to less divergent fields (rod-plane) where we have identified two regions for impulse breakdown in liquids, oneiationinitiation-Inintrolled and a second controlled by streamer propagation rate. Which controls breakdown is determined b... View full abstract»

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  • Particle Contamination of High Voltage DC Insulators below Corona Threshold

    Publication Year: 1979, Page(s):297 - 305
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2654 KB)

    A scaled dc transmission line insulator string has been implemented in sub-corona experiments to identify parameters important to the particle contamination process. Simple trajectory analysis of particle motion yields good agreement between predicted contamination features and observed phenomena, and suggests a model for the quantitative prediction of contamination of dc insulators on actual tran... View full abstract»

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  • Phenomena and Mechanisms of Tree Inception in Epoxy Resins

    Publication Year: 1979, Page(s):306 - 314
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3221 KB)

    The inception of ac treeing has been investigated in various cast epoxy resins, using a needle-plane test configuration. Mechanical stress due to shrinkage in the curing process is present at the needle tip, and in some cases causes micro-cracks. Lower tree inception voltages were observed in mechanically stressed specimens indicating that the micro-cracks act as weak points. In less stressed samp... View full abstract»

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  • The Statistical Analysis of a High Voltage Endurance Test on an Epoxy

    Publication Year: 1979, Page(s):315 - 326
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3599 KB)

    This paper is concerned with the accelerated aging of solid insulating materials, as a means of estimating their service lives and identifying superior dielectrics. The assumed failure mechanism is electric treeing. A constant-stress accelerated aging experiment on a transparent epoxy at three voltage levels is described. All factors thought to be important in the electric treeing mechanism were r... View full abstract»

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  • The Influence of Voltage Polarity and Field Non-Unifornity on the Breakdown Behavior of Rod-Plane Gaps Filled with SF6

    Publication Year: 1979, Page(s):327 - 333
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1770 KB)

    The static field discharge behavior of rod-plane gaps filled with SF6 is discussed in the pressure range of 100-500 kPa for applied voltages of positive and negative polarities. Discharge characteristics were determined using hemispherically capped rod electrodes of various radii up to 6.3 mm. Electrode gap spacings from 10 to 40 mm were studied. It is shown that the corona stabilization processes... View full abstract»

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  • Maxwell-Wagner Dielectric Polarization in Polypropylene Film/Aromatic Dielectric Fluid System for High Voltage Capacitor Use

    Publication Year: 1979, Page(s):334 - 342
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2778 KB)

    The chemical interaction between biaxially-oriented polypropylene film and diarylalkane has been investigated by studying the dielectric properties of the polypropylene film impregnated by the fluid. It was found that the ß dispersion in its dissipation factor-temperature relationship is related to the segmental motion of the amorphous phase existing in the film, and that the a dispersion is conn... View full abstract»

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  • General Properties of Mixtures of Naphtenic Insulating Oil with Alkylbenzenes

    Publication Year: 1979, Page(s):343 - 346
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (533 KB)

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

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  • Editorial

    Publication Year: 1979, Page(s): 347
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  • Author index

    Publication Year: 1979, Page(s):347a - 347c
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  • Subject index

    Publication Year: 1979, Page(s):347c - 347e
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  • Editorial policies and criteria

    Publication Year: 1979, Page(s): 347-f
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  • Information for authors

    Publication Year: 1979, Page(s): 347g
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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