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IEEE Electrical Insulation Magazine

Issue 6 • Date Nov.-Dec. 1990

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  • Influence of electrical insulation on design and performance of power equipment

    Publication Year: 1990, Page(s):7 - 10
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (342 KB)

    The potential impact of research and development on new dielectric materials on high-voltage designs for transformers, capacitors, generators, and SF/sub 6/-insulated equipment is reviewed in the context of limitations imposed by present tests and material properties. The potential technical and economic benefits of new dielectric systems are described and directions indicated for future research ... View full abstract»

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  • Partial discharge. III. Cavity-induced PD in solid dielectrics

    Publication Year: 1990, Page(s):11 - 16
    Cited by:  Papers (40)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (863 KB)

    For pt.II see ibid., vol.6, no.5, p.35 et seq. (1990). The question of how to relate the magnitude of the measured, effective, partial discharge (PD) to the size, shape, and position of the cavity within a solid dielectric system is addressed. The causes of cavities are examined, and a brief review of gas breakdown is given. It is then shown that for a range of geometries, such as parallel plate a... View full abstract»

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  • Technical progress of EMI shielding materials in Japan

    Publication Year: 1990, Page(s):21 - 30
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (872 KB)

    Increased usage of thermoplastic materials in electronic apparatus has accentuated electromagnetic interference (EMI) problems. Methods for providing shielding by metallizing the thermoplastics using electroconductive paints and electroconductive thermoplastic molding compounds are examined, following a review of the fundamentals of electromagnetic wave shielding. The characteristics of the common... 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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