Method for detection and location of very high resistive earth faults

Seppo Hänninen, Matti Lehtonen

    Research output: Contribution to journalArticleScientificpeer-review

    27 Citations (Scopus)

    Abstract

    A new method is presented for the detection and location of high resistive, permanent single-phase earth faults in medium-voltage (MV) distribution networks (20 kV). The systems considered are with unearthed or a compensated neutral and the fault resistances covered are in the range of 5 k Omega ... 160 k Omega. The algorithms of the new method are based on the change of the neutral voltage and zero-sequence currents, measured at the MV substation and also at the distribution line locations
    Original languageEnglish
    Pages (from-to)285-291
    Number of pages7
    JournalEuropean Transactions on Electrical Power
    Volume9
    Issue number5
    DOIs
    Publication statusPublished - 1999
    MoE publication typeA1 Journal article-refereed

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