Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

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

DOI QR Code

Dielectric Breakdown Characteristics of PPLP and GFRP for HTS DC Cable System

고온초전도 DC 케이블 시스템용 PPLP 및 GFRP의 절연 특성

  • 김상현 (경상대학교 전기공학과 및 ERI) ;
  • 최재형 (경상대학교 전기공학과 및 ERI) ;
  • 김우진 (경상대학교 전기공학과 및 ERI) ;
  • 장현만 (LS 전선(주) 전력연구소) ;
  • 이수길 (LS 전선(주) 전력연구소)
  • Received : 2011.08.29
  • Accepted : 2011.09.27
  • Published : 2011.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

DC high-temperature superconducting(HTS) cable system has attracted a great deal of interest from the view point of low loss, dense structure and large capacity. A HTS cable system is made of cable and termination. The insulating materials and insulation technology must be solved for the long life, reliability and compact of cable system. In this paper, we will report on the dielectric breakdown characteristics of insulating materials for HTS cable and termination. The AC, DC and lightning impulse breakdown strength of laminated polypropylene paper(PPLP) and glass fiber reinforced plastic(GFRP) have been measured under nitrogen pressures in the range of 0.l-0.4MPa. PPLP and GFRP are found to have a significantly higher DC breakdown strength. Also, DC surface flashover voltage of negative polarity is slightly higher than that of positive polarity in GFRP.

Keywords

Acknowledgement

Supported by : 한국연구재단

References

  1. T. Masuda, H. Yumura , M. Ohya . Y. Ashibe, M. Watanabe, T. Minamino, H. Ito, S. Honjo, T. Mimura, Y. Kitoh, and Y. Noguchi, "Test Results of a 30m HTS Cable for Yokohama Project", IEEE Trans. Appl. Supercond., vol. 21, no. 3, pp. 1030-1033, June, 2011. https://doi.org/10.1109/TASC.2010.2093109
  2. K.S. Ryu, "Overview of the DAPAS Program in Korea", In EUCAS 2005 Plenary Lectures, Sep. 2005.
  3. H. Suzuki, K. Ishihara, S. Akita, "Dielectric Insulation Characteristics of Liquid-Nitrogen-Impregnated Laminated Paper-Insulated Cable". IEEE Trans. on Power Delivery, vol. 7, no. 4, pp.1677-1680, October, 1992. https://doi.org/10.1109/61.156965
  4. 곽동순, 천현권, 최재형, 김해종, 조전욱, 김상현, "고온초전도 케이블의 전기절연 설계 및 시험평가", 대한전기학회논문지, 55B권, 12호, pp. 640-645, 2006년 12월.
  5. 최진욱, 최재형, 김해종, 조전욱, 김상현, "송전급 HTS 케이블용 반합성지의 두께에 따른 절연 특성 연구", 한국초전도.저온공학회논문지, 11권, 1호, pp. 35-38, 2009년 3월.
  6. K. Tsuyuki, S. Washida, O. Tanda, T. Masuda, K. Kato, T. Nakajima, and S. Mukoyama, "Study on the Electrical Insulation of High-Tc Superconducting DC Power Cable", Cryogenic Engineering of Japan, vol. 35, no. 7, pp. 350-356, 2000. https://doi.org/10.2221/jcsj.35.350