Abstract
In this paper, theoretical model of the covered-conductor (CC) overhead distribution line is presented and the frequency-dependent distributed transmission line (TL) parameters, wave propagation characteristics, and characteristic impedance are calculated. The derived wave propagation characteristics are compared with those obtained from the time domain reflectometry (TDR) measurements to validate the theoretical model of the CC line. The TDR measuring system is also simulated in EMTP/ATP as real time verification. An accurate determination of the TL characteristics for practical CC lines can be used as a design aid for the modeling of partial discharge (PD) measuring system in EMTP/ATP; thus deciding the optimal locations of the sensors in getting reliable PD detection results due to falling trees on the lines.
Published Version
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