Partial Discharge Simulation and Analysis Based on Experiment in Underground Distribution Power Cables

Title & Authors
Partial Discharge Simulation and Analysis Based on Experiment in Underground Distribution Power Cables
Jung, Chae-Kyun; Kim, Jeong-Tae; Lee, Jong-Beom;

Abstract
This paper describes the simulation and experiment for partial discharge (PD) pulse propagation in 22.9kV CNCV power cables. To investigate the propagation characteristics of PD, experiments are carried out by injecting the PD pulse in 100m-long 60 $\small{mm^2}$ CNCV cable in the laboratory. The characteristics of PD are also simulated using EMTP to investigate and analyze PD in the same cable. By comparing the simulation and test results, parameter permittivity is recalculated by considering semiconducting screen in the process of simulation and analysis of PD. After it is proved that simulation results and test results are almost similar in the laboratory, extensive simulations are performed to analyse various PD characteristics such as propagation velocity, attenuation, etc. in 60 $\small{mm^2}$ and 325 $\small{mm^2}$ CNCV cables. Authors are confident that results obtained in this paper will be used as important technical materials to detect and investigate PD generated in transmission and distribution power cables.
Keywords
Attenuation;EMTP;Partial discharge;Propagation velocity;Semiconducting screen;
Language
English
Cited by
1.
Time domain analysis of partial discharges envelope in medium voltage XLPE cables, Electric Power Systems Research, 2015, 125, 220
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