Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Data Compression using Waveform Comparison

파형 비교를 이용한 데이터 압축 기법

  • Sung, S.M. (Myoungji University Next-Generation Power Technology Center) ;
  • Lim, S.I. (Myoungji University Next-Generation Power Technology Center) ;
  • Lee, S.J. (Myoungji University Next-Generation Power Technology Center) ;
  • Bae, Y.J. (Myoungji University Next-Generation Power Technology Center) ;
  • Jin, Y.W. (Myoungji University Next-Generation Power Technology Center) ;
  • Kim, J.H. (HYUNDAI HEAVY INDUSTRIES) ;
  • Kim, B.J. (HYUNDAI HEAVY INDUSTRIES)
  • 성성만 (명지대학교 차세대전력기술연구센터) ;
  • 임성일 (명지대학교 차세대전력기술연구센터) ;
  • 이승재 (명지대학교 차세대전력기술연구센터) ;
  • 배영준 (명지대학교 차세대전력기술연구센터) ;
  • 진용우 (명지대학교 차세대전력기술연구센터) ;
  • 김정한 (현대중공업주식회사) ;
  • 김병진 (현대중공업주식회사)
  • Published : 2003.07.21
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Abstract

This paper was studied on using data of the protective relay by Power Quality Monitor. The protective relay will have problem to save data for PQM(Power Qualify Monitoring) analysis because the protective relay memory is limited. So this paper was proposed new data compression of the data was get from the protective relay. The scheme is compared each cycle after DFT(Discrete Fourier Transform). And scheme is verified through simulation of protective relay data was from real distribution system.

Keywords