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

김영석 (경상대학교 전기공학과)
곽동순 (경상대학교 전기공학과)
한철수 (경상대학교 전기공학과)
김해종 (한국전기연구원 초전도재료연구그룹)
성기철 (한국전기연구원 초전도재료연구그룹)
김상현 (경상대학교 전기공학과)
Publication Information
Progress in Superconductivity and Cryogenics / v.6, no.1, 2004 , pp. 22-27 More about this Journal
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
tensile stress; bending stress mini-model cable; breakdown stress;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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