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Operating Characteristics of Hybrid Type Superconducting Fault Current Limiter
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  • Operating Characteristics of Hybrid Type Superconducting Fault Current Limiter
  • Operating Characteristics of Hybrid Type Superconducting Fault Current Limiter
저자명
조용선,남긍현,임성훈,최효상,Cho. Yong-Sun,Nam. Gueng-Hyun,Lim. Sung-Hun,Choi. Hyo-Sang
간행물명
전기학회논문지. The transactions of the Korean Institute of Electrical Engineers. A / A, 전력기술부문
권/호정보
2006년|55권 6호|pp.255-258 (4 pages)
발행정보
대한전기학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

We investigated the operating characteristics of the hybrid-type superconducting fault current limiter (SFCL) according to the inductance of secondary windings. The hybrid type SFCL consists of a transformer that has a primary winding and a secondary winding with serially connected $YBa_2Cu_3O_7$ (YBCO) films. The resistive-type SFCL has difficulty when it comes to raising the capacity of the SFCL due to slight differences of critical current densities between units and structure of the SFCL. The hybrid-type SFCL with closed-loop is able to achieve capacity increase through the electrical isolation and reduction of the inductance of the secondary winding with a superconducting element of the same critical current. On the other hand, the current limiting characteristics were nearly identical in the hybrid-type SFCL with open-loop compared to closed-loop, but quench time was longer than the hybrid-type SFCL with closed-loop. We confirmed that the capacity of the SFCL was increased effectively by the reduced inductance of the secondary winding. In addition, the power burden of the system also could be lowered by reducing the inductance of secondary winding.