한국전기전자재료학회논문지 (Journal of the Korean Institute of Electrical and Electronic Material Engineers)

  • 제14권3호
  • /
  • Pages.251-256
  • /
  • 2001
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  • 1226-7945(pISSN)
  • /
  • 2288-3258(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지

인접 교류전류가 Bi-2223테이프의 통전손실에 미치는 영향

Effect of the Neighboring Tape′s AC Currents on Transport Current Loss of a Bi-2223 Tape

  • 류경우 (전남대학교 공과대학 전기공학과) ;
  • 최병주 (서라벌대학 전기전자전산계열)
  • 발행 : 2001.03.01
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초록

Bi-2223 tapes have been developed for low-field power applications at liquid nitrogen temperature. When the Bi-2223 tapes are used in an application such as a power transmission cable or a power transformer, they are supplied with an AC transport current simultaneously. AC loss taking into account such real applications is a crucial issue for power applications fo the Bi-2223 tapes to be feasible. In this paper, the transport losses for different AC current levels and arrangements of the neighboring tapes have been measured in a 1./5 m long Bi-2223 tape. The significant increase of the transport losses due to neighboring tape's AC currents is observed. An increase of the transport losses caused by a decrease of the Bi-2223 tape's critical current is a minor effect. The measured trasprot losses could not be explained by a dynamic resistance loss based on DC voltage-current characteristics in combination with the neighboring tape's AC currents.The trasport losses do not depend on the frequency of the neighboring tape's AC currents but is arrangements in the range of small current especially.

키워드

참고문헌

  1. Physica C v.295 AC transport current losses of multifilamentary Bi(2223) tapes with varying filament geometries H. Eckelmann;M. Daumiling;M. Quilitz;W. Goldacker
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  3. IEEE Trans. Applied Superconductivity v.9 no.2 Oxide barriers and their effect on AC losses of Bi,Pb(2223) multifilamentary tapes Y. B. Huang;M. Dhalle;F. Marti;G. Witz;R. Flukiger;St. Clerc;K. Kwasnitxa
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