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In this paper, the performance of constructed shielded Rogowski coil for measuring partial discharge signals is investigated under different conditions of terminating impedance and the deviation of current carrying conductor (CCC) from central position. The studies are made in both frequency and time domain. Also the Rogowski coil model is brought and its verification is done.
Due to low magnitude of partial discharge signals, special instruments are needed for measuring these signals. Traditional instruments for measuring partial discharge signals, in electrical cables, are capacitive sensors and High frequency Current transformers. Recently using Rogowski coil for measuring partial discharge signals have attracted more attention. In this paper Rogowski coil performance...
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