论文信息 - Effects of Rogowski Coil and Covered-Conductor Parameters on the Performance of PD Measurements in Overhead Distribution Networks

Effects of Rogowski Coil and Covered-Conductor Parameters on the Performance of PD Measurements in Overhead Distribution Networks

An on-line single-phase partial discharge (PD) measuring system using Rogowski coil is simulated in EMTP/ATP for the monitoring of falling trees on covered- conductor (CC) overhead distribution lines. The simulation results are compared with those obtained from the labora- tory measurements. The effect of Rogowski coil terminat- ing impedance is analysed for the performance of PD measuring system. The proposed model can be used to estimate the length of the practical CC lines at which PDs due to falling trees can be detected; thus, deciding the number and positioning of the sensors over a particular length of the CC lines.

Matti Lehtonen | G.Murtaza Hashmi

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