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IEEE Electrical Insulation Magazine

Issue 2 • March-April 1993

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Displaying Results 1 - 4 of 4
  • A review of thermo-stimulated current

    Publication Year: 1993, Page(s):5 - 21
    Cited by:  Papers (56)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2220 KB)

    Various areas of application of thermo-stimulated current (TSC) spectroscopy, used for studying insulating materials, are reviewed. The characteristics of this technique are compared with those of the other thermally stimulated spectroscopies. The origins of TSC are briefly cited. Examples of the identification of TSC peaks with ionic or molecular movements (inorganic or organic materials) are giv... View full abstract»

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  • Evaluation of electrical tests on transformer board

    Publication Year: 1993, Page(s):22 - 25
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (378 KB)

    In electrical tests on insulating materials for transformers, general, in-model test arrangements varying the parameters of electrical properties are established. These values cannot be transferred to real transformer insulation without further consideration. However, from these individual test results with their differing statistical variations of parameters of electrical proportions, statements ... View full abstract»

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  • A new micro-sample instrument for isothermal gel time determinations

    Publication Year: 1993, Page(s):26 - 30
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    An instrument developed to measure the gel time of solventless, thermally polymerizable compositions with speed, accuracy, and reproducibility is described. The instrument features and theory of operation are presented. By way of example, experimental results of gel times with a commercial electrical varnish measured at different temperatures and catalyst concentrations are reported. The commercia... View full abstract»

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  • IEC TC63: committee disbanded but need for standards remains

    Publication Year: 1993, Page(s):31 - 35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (518 KB)

    Recently, a decision was reached to disband IEC TC63, the International Electrotechnical Commission (IEC) technical committee on insulation systems. TC63 Insulation Systems was established in 1967 to develop modern guidelines to evaluate the capability of electrical insulation in equipment based on functional verification from services or tests. A historical review of its activities is given for s... View full abstract»

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The EI Magazine publishes articles written by authors from industry, research institutes and academia. The articles are more practical in content than the papers published in the Transactions.

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