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IEEE Transactions on Electrical Insulation

Issue 1 • Date Feb. 1985

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Displaying Results 1 - 22 of 22
  • IEEE Electrical Insulation Society

    Publication Year: 1985, Page(s): c1
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  • IEEE Electrical Insulation Society

    Publication Year: 1985, Page(s): c2
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  • Table of contents

    Publication Year: 1985, Page(s): 1
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  • Applications of Electrical Insulation and Dielectric Materials

    Publication Year: 1985, Page(s): 2
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  • Acoustical Technology Applications in Electrical Insulation and Dielectrics

    Publication Year: 1985, Page(s):3 - 19
    Cited by:  Papers (27)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9686 KB)

    Acoustical waves travel by molecular interaction, and as a consequence, wave attenuation and transit time can be extremely sensitive to changes in the media in which they propagate. With careful acoustic measurements, a wide variety of media properties can be monitored. These range from variations in gas mixtures and pressure, to changes in material density, porosity, and crystal size and orientat... View full abstract»

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  • Electro-Active Polymers in Non-Destructive Dielectric Evaluation

    Publication Year: 1985, Page(s):20 - 28
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1324 KB)

    The piezoelectric nature and acoustic coupling constant K33 of corona-poled polyvinylidenefluoride (PVF2) have been investigated as a function of freqency extending in the MHz region, using different techniques. The frequency response of an electrostatic transducer using corona-poled polypropylene film (PP), as the sensing element, has also been studied and compared with that of corona-poled piezo... View full abstract»

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  • Application of Non-Linear Resistors to Inductive Switching

    Publication Year: 1985, Page(s):29 - 37
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2331 KB)

    Many materials possess potentially important properties for application in high power electrical apparatus. These properties ban be controlled to behave either as dielectrics rics or as conductors. Such materials have been used for switching applications, often for protection against - abnormal operation. The need for reliable and reusable opening switches in very high power pulse generation has l... View full abstract»

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  • Ramp Technique for DC Partial Discharge Testing

    Publication Year: 1985, Page(s):38 - 46
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2060 KB)

    A stepwise ramp technique has been used successfully in direct current (dc) partial discharge (PD) testing on high voltage components and on resin-packaged HV devices such as the Faint Object Camera for the Space Telescope. PD data is acquired separately on part-way ramps to rated voltage and on the intermediate voltage plateaus. For test specimen intended for dc service, this ramp method gives mo... View full abstract»

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  • Review of the NASA Voyager Spacecraft Polycarbonate Capacitor Failure Incident

    Publication Year: 1985, Page(s):47 - 54
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1582 KB)

    About six months before the second Voyager spacecraft was launched, a 75 ¿F polycarbonate capacitor used in its receiver tracking loop filter was found to be defective. This failure led to an investigation into the use of polycarbonate onate capacitors in high-impedance circuits. During the investigation, polycarbonate capacitor failures were induced by thermal cycling and extended periods at hig... View full abstract»

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  • Capacitor Film Surface Assessment Studies

    Publication Year: 1985, Page(s):55 - 59
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2233 KB)

    Three prominent biaxially oriented capacitor films were investigated for surface defect occurrence and thickness variation. The three films, polypropylene, polyester, and polyvinylidene fluoride, were chosen because of their widely different permittivities and loss behavior. polypropylene has a very low dissipation factor because of the propylene repeating group which results in a stereoregular po... View full abstract»

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  • The Perfluorocarbon Liquid/Plastic Film Capacitor Technology and High Voltage Dielectric System

    Publication Year: 1985, Page(s):60 - 65
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1354 KB)

    Sandia National Laboratories has developed a capacitor technology based upon impregnation of plastic film capacitor rolls with perfluorocarbon insulating liquids. Perfluorocarbon liquids are made from various hydrocarbon liquids through a complete exchange of the hydrogen atoms with fluorine atoms. The plastic films evaluated to date include polyester, polysulfone, polypropylene, polycarbonate, an... View full abstract»

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  • Material Considerations for High Frequency, High Power Capacitors

    Publication Year: 1985, Page(s):66 - 69
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (488 KB)

    The objectives of this program were to develop a capacitor for high frequency, high power operation in the 10 to 40 kHz range at the 75 kVAR power level. The material selection required careful consideration with regard to heat dissipation and thermal stability for reliable service in space at continuous ac voltage. The primary consideration in the selection ion of a capacitor dielectric system no... View full abstract»

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  • On the Estimation of Life of Power Apparatus Insulation Under Combined Electrical and Thermal Stress

    Publication Year: 1985, Page(s):70 - 78
    Cited by:  Papers (32)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1075 KB)

    Results of combined electrical and thermal stress aging studies conducted on scaled-down models of rotating machine insulation are presented. In order to save time and cost, accelerated stress testing procedure with type II censoring is adopted. The service life of insulation is estimated by extrapolation. The model for aging used here is essentially a power law, the parameters of which are treate... View full abstract»

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  • Life Prediction for Cable Insulation Material Based on Weibull Accelerated Testing Without Failures

    Publication Year: 1985, Page(s):79 - 82
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (763 KB)

    Under strong assumptions associated with Weibull distributions for normal and accelerated test conditions, a statistical hypothesis-testing procedure is developed that permits the life of cable insulation material under normal stress conditions to be inferred from accelerated life-test data in which few, if any, breakdown owns occur. The procedure also yields an approximate relation between the nu... View full abstract»

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  • Spacer Flashover in Compressed Gases

    Publication Year: 1985, Page(s):83 - 92
    Cited by:  Papers (15)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1515 KB)

    Surface flashover studies of cylindrical spacers are carried out in SF6-N2 and other SF6-gas mixtures in a uniform field. In the presence of the spacer, the value of the surface flashover voltage is typically found to be lower than the corresponding breakdown own voltage of the gas gap without the spacer. It is experimentally found that this reduction in the breakdown voltage depends to a large ex... View full abstract»

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  • Effect of Trigger Electrode on the Channel Behavior of Surface Discharge Switch

    Publication Year: 1985, Page(s):93 - 103
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3699 KB)

    The effects of trigger electrodes on the behavior of multichannel gas breakdown in a gas-filled surface discharge switch was investigated experimentally. A straight wire or a metal plate was placed under dielectric surfaces at various distances from the main electrodes. These served as the trigger electrode. Various geometric configurations and polarities of the trigger electrode were studied. The... View full abstract»

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  • Behavior of High Voltage Miachine Insulation System in the Presence of Thermal and Electrical Stresses

    Publication Year: 1985, Page(s):104 - 110
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (850 KB)

    This paper presents the results on a resin-rich machine insulation system subjected to varying stresses such as electrical (2.6 to 13.3 MV/m) and thermal (40 to 155° C) acting together. Accelerated electro-thermal aging experiments subsequently have been performed to understand the insulation degradation The interpretations are based on several measured properties like capacitance, loss tangent, ... View full abstract»

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  • Temperature Dependence of Hydrolysis of Polyimide Wire Insulation

    Publication Year: 1985, Page(s):111 - 116
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2376 KB)

    Degradation of polymeric materials as a chemical reaction rate, related to exposure temperature, has been confirmed by many laboratory studies, and the rate equation, enhanced by other stresses and environmental conditions, has been utilized to compare the service life expectancy of various electrical insulation materials and systems for many years. In recent Naval aircraft wiring applications it ... View full abstract»

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  • Meetings

    Publication Year: 1985, Page(s): 117
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  • IEEE copyright form

    Publication Year: 1985, Page(s): 118
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  • IEEE Electrical Insulation Society

    Publication Year: 1985, Page(s): [118]-a
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  • Information for authors

    Publication Year: 1985, Page(s): [118]b
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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