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A Study on the Design of a Planar Loop Sensor for Partial Discharge Diagnosis of 22.9 kV XLPE Power Cables

  • Lim, Kwang-Jin (Department of Electrical Electronic and Information Engineering, Wonkwang University) ;
  • Yang, Sang-Hyun (Department of Electrical Electronic and Information Engineering, Wonkwang University) ;
  • Shin, Dong-Hoon (Department of Research & Development Center, PIEZOLAB Co., Ltd.) ;
  • Park, Noh-Joon (Department of Electrical Electronic and Information Engineering, Wonkwang University) ;
  • Park, Dae-Hee (Department of Electrical Electronic and Information Engineering, Wonkwang University)
  • Published : 2008.12.01

Abstract

This study designed a new type of loop antenna that is able to detect partial discharges based on microstrip line technology. In the diagnosis of power cables, partial discharge signals are generally produced at a frequency range less than 100MHz because high frequency PD signals are lost along a propagation path in such cables. The new type of loop antenna sensor has been studied using simulation software known as CST microwave studio version 5.0. In partial discharge measurement experiments, a commercial HFCT sensor was used as a reference sensor. Several experiments were made over HFCT and loop antenna sensors for detecting partial discharges on 22.9kV MV XLPE cable. In this study, we showed the loop antenna designed in this study that can be applied as a commercial HFCT sensor.

Keywords

References

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