한국전기전자재료학회논문지 (Journal of the Korean Institute of Electrical and Electronic Material Engineers)

  • 제25권3호
  • /
  • Pages.229-235
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  • 2012
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  • 1226-7945(pISSN)
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  • 2288-3258(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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LabView 기반 부분방전 분석장치의 설계 및 제작

Design and Fabrication of a LabView Based Partial Discharge Analyzer

  • 차현규 (한국해양대학교 전기전자공학부) ;
  • 이정윤 (한국해양대학교 전기전자공학부) ;
  • 박대원 (한국해양대학교 전기전자공학부) ;
  • 길경석 (한국해양대학교 전기전자공학부)
  • Cha, Hyeon-Kyu (Division of Electrical and Electronics Engineering, Korea Maritime University) ;
  • Lee, Jung-Yoon (Division of Electrical and Electronics Engineering, Korea Maritime University) ;
  • Park, Dae-Won (Division of Electrical and Electronics Engineering, Korea Maritime University) ;
  • Kil, Gyung-Suk (Division of Electrical and Electronics Engineering, Korea Maritime University)
  • 투고 : 2012.01.02
  • 심사 : 2012.02.20
  • 발행 : 2012.03.01
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초록

This paper dealt with the fabrication of a partial discharge (PD) analyzer for insulation diagnosis of power facilities like transformers, cables and gas-insulated switchgears. An analytic algorithm for the phase (${\phi}$), the magnitude (q), and the pulse count (n) of PD pulse was designed and a time-frequency (TF) map algorithm was applied in the system to eliminate noises by analyzing the time and the frequency component of signals. All the algorithms were operated by a LabView graphical program. The detection circuit consists of a coupling capacitor, a detection impedance, and a low noise amplifier. A plane-plane and a point-plane electrode system were fabricated to simulate different types of insulation defects. In the experiment, we could easily understand the characteristics of PD pulses using the prototype PD analyzer.

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참고문헌

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