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

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Partial Discharge Electromagnetic Wave Penetration Characteristics Throughout Transformer Winding

전자기파 부분방전 신호의 권선 투과 특성

  • Ju, Hyung-Jun (Transmission and Distribution Laboratory, Korea Electric Power Research Institute) ;
  • Han, Ki-Son (Transmission and Distribution Laboratory, Korea Electric Power Research Institute) ;
  • Yoon, Jin-Yul (Transmission and Distribution Laboratory, Korea Electric Power Research Institute)
  • 주형준 (한국전력공사 전력연구원 송배전연구소) ;
  • 한기선 (한국전력공사 전력연구원 송배전연구소) ;
  • 윤진열 (한국전력공사 전력연구원 송배전연구소)
  • Received : 2010.08.16
  • Accepted : 2010.09.20
  • Published : 2010.10.01
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Abstract

Frequency domain measurement of propagation loss for ultra high frequency (UHF) partial discharge in the winding of power transformer using a spectrum analyzer and pulse generator is presented. We compared the performance of the method using a network analyzer with and without a winding. Using a network analyzer simplifies the measurement and offers better dynamic range and frequency range. It also provides precise propagation loss within the winding in frequency domain at UHF range. We applied this method to measure UHF propagation loss of transformer mock-up, modeled 154 kV 20 MVA power in KEPCO substation.

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References

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