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IEEE Electrical Insulation Magazine

Issue 2 • March-April 2013

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Displaying Results 1 - 19 of 19
  • Table of contents

    Publication Year: 2013, Page(s):1 - 2
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  • IEEE Transactions on Dielectrics and Electrical Insulation - Executive Committee

    Publication Year: 2013, Page(s): 3
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  • Editorial

    Publication Year: 2013, Page(s):4 - 5
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  • From the editors' desk

    Publication Year: 2013, Page(s):6 - 7
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  • 50+ years of intrinsic breakdown

    Publication Year: 2013, Page(s):8 - 15
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1195 KB) | HTML iconHTML

    The basic quantum mechanical theory for intrinsic breakdown was developed by von Hippel and Fröhlich over 70 years ago, but only now can we exploit their ideas accurately through the use of computational quantum mechanics. As shown above, von Hippel's low energy criterion for intrinsic breakdown provides remarkably good agreement with measured data for a range of both ionic and covalently ... View full abstract»

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  • Critical review of voltages applied for quality-acceptance and diagnostic field tests on high-voltage and extra-high-voltage cable systems

    Publication Year: 2013, Page(s):16 - 25
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2183 KB) | HTML iconHTML

    The article reviews the suitability of the usual test voltages applied to highand extra-high-voltage extruded cables for quality acceptance during commissioning and for condition assessment during operation. View full abstract»

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  • A novel method for ultra-high-frequency partial discharge localization in power transformers using the particle swarm optimization algorithm

    Publication Year: 2013, Page(s):26 - 39
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3810 KB) | HTML iconHTML

    Nowadays, the localization of partial discharge (PD) in power transformers by measurement of ultra-high-frequency (UHF) electromagnetic (EM) waves from a PD source is receiving more attention. This method is based on comparing the differences in the arrival times, to antennas in the transformer, of EM waves emitted from the PD source. From the measured UHF signal, and factoring in the influence of... View full abstract»

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  • A review of moisture diffusion coefficients in transformer solid insulation - Part 2: Experimental validation of the coefficients

    Publication Year: 2013, Page(s):40 - 49
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2896 KB) | HTML iconHTML

    The objective of this article is to experimentally verify the diffusion coefficients proposed by the various researchers. To validate these coefficients, drying experiments were carried out on impregnated and nonimpregnated paper and on pressboard samples. Taking into account the characteristics of the tested samples, two different experiments were performed: For nonimpregnated insulation, thermo-... View full abstract»

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  • Oil-gap discharge in transformers

    Publication Year: 2013, Page(s):50 - 62
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5614 KB) | HTML iconHTML

    A unique apparatus has been constructed that replicates the electro-mechanical conditions of an interphase barrier region of a 3-phase transformer at 1/9th scale. The FEM of transformer electric field profiles have been analyzed to design shaped electrodes enabling the replication of the electric field using single voltages. Experiments show that oil-gap discharge is dependent upon a chain of even... View full abstract»

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  • Water treeing in low voltage cables

    Publication Year: 2013, Page(s):63 - 68
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1242 KB) | HTML iconHTML

    An investigation of water treeing in a 3 kV XLPE cable removed from the field after more than 25 years of service is presented in the article. View full abstract»

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  • Multiobjective optimization of stator slot insulation of high-voltage generator based on coupled SNOPT-finite element method analysis

    Publication Year: 2013, Page(s):69 - 76
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1724 KB) | HTML iconHTML

    The article describes an optimization algorithm based on coupling SNOPT to finite element analysis for optimization of the insulation layers in a model generator. An electromagnetic and thermal study of the core, winding, and insulation of stator slots is performed with the main idea of finding the optimum shape and characteristics of the insulation layers to minimize electric stress with respect ... View full abstract»

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  • The electrical insulation association is holding its 12th international electrical insulation conference (insucon) in birmingham, uk, in may 2013

    Publication Year: 2013, Page(s): 77
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  • DEIS news

    Publication Year: 2013, Page(s): 78
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  • News from Japan

    Publication Year: 2013, Page(s):79 - 81
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  • Book reviews [7 reviews]

    Publication Year: 2013, Page(s):82 - 85
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  • IEEE media advertising sales offices

    Publication Year: 2013, Page(s): 86
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  • Meetings calendar

    Publication Year: 2013, Page(s):87 - 88
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  • IEEE Transactions on Dielectrics and Electrical Insulation - Front-cover

    Publication Year: 2013, Page(s): c1
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  • Author's guide

    Publication Year: 2013, Page(s): c3
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Aims & Scope

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.

Full Aims & Scope

Meet Our Editors

Co-Editor-in-Chief
Edward Cherney

Co-Editor-in-Chief
Robert Fleming