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Electrical Insulation, IEEE Transactions on

Issue 6 • Date Dec. 1984

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Displaying Results 1 - 21 of 21
  • IEEE Transactions on Electrical Insulation

    Publication Year: 1984 , Page(s): c1
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  • IEEE Electrical Insulation Society

    Publication Year: 1984 , Page(s): c2
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    Freely Available from IEEE
  • 1983 Conference on Interfacial Phenomena in Practical Insulation Systems

    Publication Year: 1984 , Page(s): 501
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  • Electric Field Distribution at Solid Insulator-Vacuum Interface of Different Electrode-Insulator Geometries

    Publication Year: 1984 , Page(s): 502 - 511
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1342 KB)  

    The distribution of the electric field at the interface of eight different electrode-insulator geometries used in the design of high voltage systems is calculated using the charge simulation technique. The insulators investigated have (1) a metal insert, (2) a recessed electrode, (3) a concave edge, and (4) a convex edge. These four shapes are chosen to occur at (a) both the anode and the cathode ... View full abstract»

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  • Pre-Breakdown and Breakdown Phenomena along Pmma Surfaces in Vacuum and Nitrogen Gas Stressed by 60 Hz Voltages

    Publication Year: 1984 , Page(s): 512 - 518
    Cited by:  Papers (6)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2146 KB)  

    Predischarge current and breakdown measurements of solid Plexiglas® (PMMA) insulators in vacuum and nitrogen gas gaps, excited by 60 Hz ac voltages, are reported. Results show that for bridged vacuum gaps, the predischarge current is in the form of pulses. In addition to electron emission from the cathode, secondary emission from the insulator surface is postulated to play a significant role in d... View full abstract»

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  • Measurement of the Electric Field in the Vicinity of an Oil-Pressboard Interface Parallel to the FIELD

    Publication Year: 1984 , Page(s): 519 - 523
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (790 KB)  

    Electro-optical Kerr-effect measurements are performed to measure the spatial variations of the electric field in transformer oil in a parallel-plate electrode system with and without a pressboard interface bridging the gap between the electrodes. No space-charge field enhancements are observed at room temperature (25 °C) even with the interface present. At 125°C space-charge field enhancements ... View full abstract»

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  • The Metal/Liquid Interface: the Charge Injection Process

    Publication Year: 1984 , Page(s): 524 - 528
    Cited by:  Papers (12)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (3041 KB)  

    An attempt has been made to analyze the experimental observations published over the past years on charge injection into liquids, and to examine the criteria developed for charge injection into vacuum or gases as to their applicability to liquids. It was concluded that the emission sites on metal cathodes are smaller than originally assumed. The Fowler-Nordheim or modified Schottky emission laws d... View full abstract»

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  • Discharge Inception by Particles near Insulator Surfaces: the Proximity Effect

    Publication Year: 1984 , Page(s): 529 - 535
    Cited by:  Papers (7)
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    The influence of isolated conducting particulates which are in proximity to dielectric interfaces was investigated theoretically and experimentally. Localized enhancement of applied electric fields were calculated including effects of particle shape, distance to dielectric interface, and permittivity. The results showed significantly greater field enhancement can occur when particles are within a ... View full abstract»

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  • Dc Interfacial Breakdown on Contaminated Electrolytic Surfaces

    Publication Year: 1984 , Page(s): 536 - 542
    Cited by:  Papers (15)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1374 KB)  

    This paper covers the results of investigations of interfacial breakdown on electrolytic surfaces. A water-channel model is used to simulate an insulator surface with different conductivity levels. Effects of the chemical nature of the contaminants and contamination levels on the critical flashover voltage are studied. A multiple-arc model is introduced where the phenomenon of multiple discharges ... View full abstract»

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  • Optoelectronic Measurement of Partial Arcs on a Contaminated Surface

    Publication Year: 1984 , Page(s): 543 - 549
    Cited by:  Papers (11)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2279 KB)  

    In this paper, characteristics of a partial arc on a contaminated surface containing NaCl, measured by optoelectronic techniques, are described. Streak photographs using a solid state image sensing device clarified propagation characteristics and temporal variations of the diameter of a partial arc. A spectroscopic measurement revealed that most of the light emitted from the arc consists of the Na... View full abstract»

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  • Recent Advances in Gaseous Dielectrics at Oak Ridge National Laboratory

    Publication Year: 1984 , Page(s): 550 - 566
    Cited by:  Papers (19)
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  • On a Cumulative Model of Dielectric Breakdown in Solids

    Publication Year: 1984 , Page(s): 567 - 577
    Cited by:  Papers (28)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1920 KB)  

    Dielectric breakdown in solids defies simple classification, and no existing theory is capable of accounting for the totality of the observed phenomena. However, the physical nature of the processes involved may be inferred from the statistical nature of breakdown, from the essential role of charge carriers and defects, and from the discreteness of the resulting breakdown channel. Analysis shows t... View full abstract»

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  • Electrical Breakdown Induced by Fracto-Emission

    Publication Year: 1984 , Page(s): 578 - 585
    Cited by:  Papers (1)
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    Fracto-emission is the emission of particles (e.g. electrons, ions, neutral species and photons) during and following fracture. In this study, we investigate the possibility that fracture can induce electrical breakdown in air at atmospheric pressure. Fracture of a number of materials were found to induce electrical breakdown including quartz, sapphire, alumina, boron nitride, PZT, glass-filled po... View full abstract»

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  • Electric Strength of Small Creepage Distances under Natural Environmental Conditions

    Publication Year: 1984 , Page(s): 586 - 593
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1300 KB)  

    The electric strength of insulating configurations of solid insulating materials mainly depends on the contamination of the creepage distance, the formation of creepage paths on the insulating material by creepage currents, and the micro-climate on the insulator surface. For the intended smaller and more precise dimensioning of insulation configurations for low voltage equipment, exact knowledge a... View full abstract»

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  • A Study of the Positive Streamer Growth under Surface Discharge Configuration in Liquid Paraffin

    Publication Year: 1984 , Page(s): 594 - 601
    Cited by:  Papers (11)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (4809 KB)  

    The growth characteristics of positive impulse surface discharges using a point-plane electrode geometry in oil have been studied using schlieren optics and a special probe was used for the measurement of the voltage drop across the streamer. The experiments are made in growth lengths up to, approximately 4 cm. The growth characteristics are discussed in conjunction with the probe measurements. We... View full abstract»

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  • Effect of Electrode Geometry on the Positive Impulse Breakdown in Carbon Dioxide

    Publication Year: 1984 , Page(s): 602
    Cited by:  Papers (1)
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  • Meetings

    Publication Year: 1984 , Page(s): 603 - 606
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  • Author index

    Publication Year: 1984 , Page(s): 606a - 606c
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  • Subject index

    Publication Year: 1984 , Page(s): 606c - 606f
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  • IEEE Electrical Insulation Society

    Publication Year: 1984 , Page(s): 606-g
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  • Information for authors

    Publication Year: 1984 , Page(s): 606h
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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