Space Charge Formation in XLPE - the Influence of Electrodes and Pre-conditioning.

Joachim T. Holbøll, Mogens Henriksen, R.J. Fleming

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    The composition of the inner and outer “semicon” shields in modern ac cables, and the temperature/pressure conditions under which the various manufacturing procedures are carried out, would be expected to influence space charge accumulation under dc stress significantly. However, few systematic investigations of the influence of these factors, on space charge accumulation or other electrical properties of XLPE, have been reported. In this paper we present space charge profiles for a range of XLPE planar samples under dc stress. Three different types of semicon electrodes were investigated, as well as vacuum-evaporated gold. The samples were also subjected to three different heating/pumping conditioning procedures.
    Original languageEnglish
    Title of host publicationProceedings on NORDIC INSULATION SYMPOSIUM
    Place of PublicationCopenhagen, Denmark
    PublisherELTEK, Tech. Univ. of Denmark
    Publication date1999
    Publication statusPublished - 1999
    EventNORD-IS 99 - Copenhagen, Denmark
    Duration: 1 Jan 1999 → …


    ConferenceNORD-IS 99
    CityCopenhagen, Denmark
    Period01/01/1999 → …

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