Experimental studies on the use of MOV in transformer windings inner protection

Wen Yuanfang, Chengke Zhou

    Research output: Contribution to journalArticle

    Abstract

    This paper presents experimental investigations into the principle, connection schemes, and the use of a metal oxide varistor (MOV) in transformer winding inner protection. Experiments have been carried out on model transformer and on practical extremely high voltage transformers with standard lightning impulse voltage and oscillatory impulse voltage being applied. Results with and without MOV in parallel with transformer windings from experiments proved the effectiveness of the use of MOV in transformer inner protection.

    Original languageEnglish
    JournalIEEE Transactions on Power Delivery
    Publication statusPublished - 1 Apr 2005

    Keywords

    • transformers
    • metal oxide varistor
    • connection schemes
    • MOV

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