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IEEE Transactions on Electrical Insulation

Issue 1 • Date March 1976

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Displaying Results 1 - 11 of 11
  • Table of contents

    Publication Year: 1976, Page(s): c1
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  • IEEE Electrical Insulation Group

    Publication Year: 1976, Page(s): c2
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  • Prebreakdown Current and Sparking Potential in a Nonuniform Electric Field with a Crossed Magnetic Field

    Publication Year: 1976, Page(s):1 - 8
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1437 KB)

    Prebreakdown currents in a coaxial cylindrical geometry in nitrogen have been measured with and without a crossed magnetic field. The range of parameters used in the investigation are 2.6 ¿ p ¿ 14.5 torr, 50 ¿ (E/p) ¿ 420 V cm-1 torr-1, and 43.0 ¿ H/p ¿ 1185 Oe torr-1 (p is the pressure, E is the electric field, and H is the magnetic field). The initial photoelectric current is obtained by a... View full abstract»

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  • The Relationship Between Ultrasonic and Electrical Measurements of Under-Oil Corona Sources

    Publication Year: 1976, Page(s):8 - 11
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1579 KB)

    In order to predict the usefulness of ultrasonic techniques for detecting and locating transformer coronas or partial discharges, it is necessary to determine the relationship between electrical and ultrasonic values of different coronas within an unobstructed oil environment. Experiments are reported in which typical corona sources, ranging in value from ~5-~105 pC, were energized within an oil-f... View full abstract»

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  • Microdischarges and Microdischarge Simulation in Uniform-Field High-Voltage Vacuum Gaps

    Publication Year: 1976, Page(s):12 - 20
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1997 KB)

    It is shown that microdischarges can be caused to occur between vacuum insulated electrodes by exposing the electrode surfaces to oil contamination or to the condensation of electronegative gases (H2O, CO2). The presence of the condensed H2O layers at low electrode temperatures lowers the microdischarge onset by a factor of 3 and the implication of this for microdischarge theory and vacuum cable d... View full abstract»

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  • Electrical Conduction in 3-Percent Carbon-Filled Polyethylene Part I: Low-Field Results

    Publication Year: 1976, Page(s):20 - 27
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1383 KB)

    The electrical conduction properties of polyethylene filled with 3-percent carbon have been investigated. Detailed step response measurements have been performed as a function of temperature in a range of electric fields below 104 V/cm where conduction is essentially ohmic. Using a Fourier transform technique a frequency-dependent loss factor was calculated from the resorption current data. Therma... View full abstract»

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  • Characteristic Time of Oxygen: Calculations and Theoretical Study

    Publication Year: 1976, Page(s):28 - 32
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (799 KB)

    We present an equation for the characteristic time ¿, through which we can calculate the formative time lag of breakdown tf more accurately than previously obtained. This equation takes into consideration both the effect of the first Townsend ionization coefficient ¿ and the second Townsend ionization coefficient due to positiveion bombardment ¿i. Calculations of the characteristic time ¿were ... View full abstract»

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  • The Effect of Chromium Oxide Coatings on Surface Flashover of Alumina Spacers in Vacuum

    Publication Year: 1976, Page(s):32 - 35
    Cited by:  Papers (55)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1517 KB)

    An experimental investigation of the effect of chromium oxide coatings upon the surface flashover of high-density alumina in vacuum is reported. It is shown that such coatings improve the withstand voltage for dc, 60-Hz, and impulse voltages by significant amounts. The coatings are simply applied, effective, and durable. It is postulated that the improvement in insulation is due to the elimination... View full abstract»

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  • Contributors

    Publication Year: 1976, Page(s):35 - 36
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  • Editorial policies and criteria

    Publication Year: 1976, Page(s): 36-a
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  • Information for authors

    Publication Year: 1976, Page(s): 36b
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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