The Proceedings of the Korean Institute of Illuminating and Electrical Installation Engineers (한국조명전기설비학회지:조명전기설비)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Detection and Location of Partial Discharge in Transformers

변압기내 부분방전 탐지 및 위치검출

  • 곽희노 (숭실대학교 공과대학 전기공학과) ;
  • 김재철 (숭실대학교 공과대학 전기공학과) ;
  • 황선주 (숭실대학교 대학원 전기공학과) ;
  • 권태원 (한국전력 기술연구원 계통연구실) ;
  • 윤용범 (한국전력 기술연구원 계통연구실)
  • Published : 1992.08.01
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Abstract

This paper describes an instrument for the detection and geometric location of partial discharge (PD) source in transformers. This instrument measures electric current pulses and ultrasonic pulses simultaneously, counts the number of electrical pulses and determines the geometric location of PD in transformers. It was found that there is a relationship between partial discharge magnitude and pulse repetition rate when the applied test voltage and oil temperature were varied. Through the laboratory test using model transformer, it was clarified that this detector could be used for detecting and locating PD in the transformer.

Keywords