The influence of moisture on low voltage oil-and-paper insulated distribution cables

M. Wang, S. M. Rowland, N. O. Van Luijk

    Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

    Abstract

    The nature of failure in low voltage (LV) systems is still not well understood, despite substantial research activity aimed at understanding degradation mechanisms in medium and high voltage cables. Investigation into the movement of moisture in oil-and-paper insulated LV cable cores shows that moisture ingress is far from uniform. The transfer of moisture across the composite insulation has been measured using Karl-Fisher titration and a tracer dye. Experiments are reported on factory laid-up cables. These are used to develop an understanding of the mechanism of moisture diffusion which occurs prior to breakdown. It is found that the combination of Karl-Fisher titration and tracer dyes is required in order to fully identify the distribution of moisture in the cable. © 2005 IEEE.
    Original languageEnglish
    Title of host publicationAnnual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP|Annu. Rep. Conf. Electr. Insul. Dielectr. Phenom. CEIDP
    Pages112-115
    Number of pages3
    Volume2005
    DOIs
    Publication statusPublished - 2005
    Event2005 Conference on Electrical Insulation and Dielectric Phenomena, CEIDP '05 - Nashville, TN
    Duration: 1 Jul 2005 → …

    Conference

    Conference2005 Conference on Electrical Insulation and Dielectric Phenomena, CEIDP '05
    CityNashville, TN
    Period1/07/05 → …

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