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고온 초전도 케이블의 절연파괴 특성에 미치는 Butt-gap의 영향 원문보기
(The) Effect of butt-gap on the electrical breakdown properties for a high-T_(c) superconducting cable

  • 저자

    곽동순

  • 학위수여기관

    慶尙大學校 大學院

  • 학위구분

    국내석사

  • 학과

    전기공학과

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    v, 41p.

  • 키워드

    고온초전도케이블 절연파괴 BUTTGAP 전기공학;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10059977&outLink=K  

  • 초록

    According to the increasing power demand for the future construction of many underground cables will be required. However, construction of new ducts for power cables will be more difficult. Therefore, research work for realizing the high-Tc superconducting cable has advanced, where the development of electrical insulating system at cryogenic temperature is one of the major researches. In applied high-Tc Superconducting cable, the multi-laid insulation system deposited in liquid nitrogen(LN_(2)) is required necessarily. For an electrical insulation design of high-Tc Superconducting cable, it is important to understand the dielectric characteristics of insulation materials in LN_(2) and the insulation type. Generally, the electrical insulation of high-Tc Superconducting Cable is classified into two types of the composite insulation and solid insulation type. In this research, the insulation paper/LN_(2) composite insulation type was selected for the electric insulation of a high-Tc Superconducting cable and the electric insulation characteristics of synthetic Laminated Polypropylene Paper(LPP) were studied in LN_(2) for the application to high-T_(c) Superconducting cable. Furthermore, the breakdown characteristics of the Butt-gap and bended mini-model cable were compared. It is necessary to understand the winding parameter of insulation paper/LN_(2) composite insulation.


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