The Transactions of the Korean Institute of Electrical Engineers C (대한전기학회논문지:전기물성ㆍ응용부문C)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on the Technology Measuring Partial Discharge for Long Term Aging Experiments of Insulation Materials

장시간 절연체 열화실험을 위한 부분방전측정기술 연구

  • 선종호 (한국전기연구소 신전력기기연구그룹) ;
  • 김광화 (한국전기연구소 신전력기기연구그룹) ;
  • 박정후 (부산대 공대 전력전기통신공학부) ;
  • 조정수 (부산대 공대 전력전기통신공학부)
  • Published : 2000.12.01
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Abstract

This paper described the measurement technology to analyze the partial discharge characteristics for long term aging of insulations. This system was consisted of high voltage generation and measurement part, PD detection part, digital conversion and signal processing part. We used the VXI system for digital conversion and signal processing part. In the digital conversion part, we studied the error of partial discharge magnitude and memory capacity for reading digital signal with the sampling rate. In the signal processing part, we showed the program algorithm to count pulses and read peak values of partial discharge. The allowable minimum sampling rate of digizer was decided to 250kS/s through analyzing test. We confirmed that this system was very useful in the study of $\phi-q-n$ characteristics of long term PD experiments with specimens being consisted of internal void defects and CIGRE II electrodes.

Keywords

References

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