Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
권호 표지

The Electrical Properties of Mini-model Cable under mechanical stress in Liquid Nitrogen

액체질소 중에서 기계적 응력에 따른 mini-model 케이블의 전기적 특성

  • 김영석 (경상대학교 전기공학과) ;
  • 곽동순 (경상대학교 전기공학과) ;
  • 한철수 (경상대학교 전기공학과) ;
  • 김해종 (한국전기연구원 초전도재료연구그룹) ;
  • 성기철 (한국전기연구원 초전도재료연구그룹) ;
  • 김상현 (경상대학교 전기공학과)
  • Published : 2004.03.01
Download PDF
⟨ Previous Next ⟩

Abstract

It is important to mechanical properties of dielectric paper and cable to optimum electrical insulation design of HTS cable, because the cable has experience of mechanical stress, such as tensile stress, bending stress. Also, it is operated at cryogenic temperature. From the results, it was observed that the tensile strength of PPLP in liquid nitrogen was high more than that of air, but tensile strain decrease sharply. According as tensile strength increases, the breakdown stress of PPLP in liquid nitrogen is decreased. Because PPLP was deteriorated by microcrack and tensile strain. According as bending radius multiple is decrease, the ac and impulse breakdown stress of mini-model cable is sharply decreased.

Keywords

References

  1. Physica C 354 High temperatue superconducting cable field demonstration at Detroit Edison N.Steve(et al.)
  2. Supecond.Sci. Technol v.13 HTS prototype for power transmission cables:recent results and future programmes M.Nassi
  3. 차세대 초전도 응용기술개발 사업단 연차 보고서 배전급 초전도 전력케이블 개발 성기철(외)
  4. Dielectric liquids, ICDL, Proceedings of 2002 IEEE 14th international Conference on Partial discharge incepion V-t characteristics for pressurize liquid nitrogen/PPLP composite insulation system Okubo.H (et al.)
  5. IEEE Trans. Power Delivery v.7 no.4 Dielectric Insulation Characteristics of Liquid Nitrogen Impregnated Laminated Paper Insulated Cable H.Suzuki(et al.) https://doi.org/10.1109/61.156965
  6. Korea-japan joint Workshop 2002 on Applid Superconductivity and Cryogenics Dielectric Characteristics of Insulating papers for HTS Cable S.H.Kim(et al.)
  7. 전기전자재료학회지 v.9 no.10 극저온에서의 절연재료의 기계적·전기적 성질 김상현 (et al.)
  8. Cryogenics 38 Mechanical influence on long-term dielectric performance of insulants S.Nishijima;M.Hara
  9. IEEE Trans. Appl. Supercond v.11 no.1 Design and Production of High-Tc Superconducting Poer Transmission Cable S.Mukoyma(et al.)