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Author: search.filters.author.Parveen, ShabnamSubject: search.filters.subject.Cellulose

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    A time-efficient and innovative method to determine the dp value of power transformer insulation /
    (IEEE, 2024-11-22) Mishra, Deepak; Parveen, Shabnam
    The DP value is a robust and reliable parameter for estimating the state of cellulose-based insulation in power transformers. However, its practical application is limited due to the invasive nature of testing. Hence, a methodology is reported in the present work to predict DP value using Polarization Depolarization recorded for a short duration. Reported results later in this paper suggest that the initial rate of measured polarization current can be used to forecast the DP value. The suggested method was successfully tested on several specimens (having different amounts of moisture percentages) prepared in the laboratory.