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Electrical Insulation Magazine, IEEE

Issue 2 • Date March-April 1989

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  • High-voltage and partial discharge testing techniques for space power systems

    Publication Year: 1989 , Page(s): 12 - 21
    Cited by:  Papers (11)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1099 KB)  

    Partial discharge (PD) detection techniques are reviewed, focusing on application in the aerospace industry. The discussion covers dielectric withstand voltage test, causes of high-voltage failures in flight hardware systems and how PD testing can detect incipient problems, and high-frequency PD test methods and applications.<> View full abstract»

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  • Recent progress of resist and resist process in Japan

    Publication Year: 1989 , Page(s): 22 - 27
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (617 KB)  

    The procedure for pattern fabrication by photolithography is described, highlighting the need for resists that are sensitive to 436-nm and 248-nm light for submicrometer lithography. Recent developments in 436-nm resists are summarized. A two-layer resist process using silicon-containing resists and resists for Kr/F excimer lasers are discussed. The latter method, which uses 248-nm radiation, has great potential but requires considerable development before it becomes a practical method.<> View full abstract»

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  • 500-kV long-distance cable completed in Japan

    Publication Year: 1989 , Page(s): 28 - 32
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (476 KB)  

    The first 500-kV long-distance cable line is described. This oil filled self-contained cable has been installed along the Seto-Ohashi bridge connecting Shikoku, the fourth largest of the four major islands that constitute Japan with Honshu, the main island. The power flow will generally be from Shikoku where there is a surplus of power to Honshu, the main island. The technical features of the cable and its installation are described. Polypropylene laminated paper (PPLP), a low-loss insulation paper with high dielectric performance, was adopted, allowing the cable to carry the required transmission capacity of 1200 MW per circuit without forced cooling. The number of splices is also reduced by approximately 40%, resulting in further economy.<> View full abstract»

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The EI Magazine is specifically concerned with publishing articles in the development and characterization of the dielectric, chemical, mechanical, and environmental properties of all vacuum, gaseous, liquid, and solid electrical insulation, and with utilization of these materials in circuits and systems under conditions of use.

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