Insulation Characteristics of PET Films for $SF_6$ EHV VT Winding

$SF_6$ EHV VT 권선 절연지의 절연특성

  • 김정달 (경남대학교 전기공학과) ;
  • 박재윤 (경남대학교 전기공학과) ;
  • 정장근 (경남대학교 전기공학과) ;
  • 김종석 (경남대학교 전기공학과) ;
  • 하현진 (경남대학교 전기공학과) ;
  • 이용길 (부산동의공업대 전기과)
  • Published : 2001.05.01

Abstract

The purpose of this study is to investigate the effect of hole or crack on the Insulation characteristics of a PET films for EHV(Extra High Voltage) VT winding. The hole or the crack in the PET films was made and the insulation characteristics of them were measured. Ad an experimental result, it was shown hat he PDIV(Partial Discharge Inception Voltage) and the BDV(Breakdown Voltage) of the PET films with hole or crack were lower than those without them, and were markedly dependent on their position and temperature. Therefore, the hole and the crack affected to insulation characteristics of PET films for SF$_{6}$EHV(Extra High Voltage) VT Winding.g.

Keywords

References

  1. Electrical Breakdown of Gases J. M. Meek;J. D. Craggs
  2. Glow Discharge Process Bria Chapman
  3. 誘電體表面に現れるコロナ放電 中村信幸;御所康七;遠藤正雄
  4. IEEE Transactions on Electrical Insulation v.24 no.2 The Mechanism of Leader Break-down in Electronegative Gases L. Niemer;L. Ullrich;N. Wiegart
  5. 放電·高電壓 工學 田春生
  6. 전기전자재료학회논문지 v.11 마이카-에폭시 절연재료의 열화특성분석 유영식;김희곤;송우창;이재형;박용관
  7. 전기전자재료학회논문지 v.11 전력게이블 전연접속계면의 절연파괴 특성에미치는 열처리효과 이창종;김진수;박강식;한상옥
  8. 전기전자재료학회논문지 v.10 고분자 절연재료의 트랙킹 열화에 미치는 오손액의 영향 조한구;박용관