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Investigation on the inductive and resistive fault current limiting HTS power cable
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  • Investigation on the inductive and resistive fault current limiting HTS power cable
  • Investigation on the inductive and resistive fault current limiting HTS power cable
저자명
Lee. Sangyoon,Choi. Jongho,Kim. Dongmin,Kwon. Yonghyun,Kim. Seokho,Sim. Kideok,Cho. Jeonwook
간행물명
Progress in superconductivity and cryogenics : PSAC
권/호정보
2014년|16권 2호|pp.59-63 (5 pages)
발행정보
한국초전도저온공학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

HTS power cable bypass the fault current through the former to protect superconducting tapes. On the other hand, the fault current limiting (FCL) power cable can be considered to mitigate the fault current using its increased inductance and resistance. Using the increased resistance of the cable is similar to the conventional resistive fault current limiter. In case of HTS power cable, the magnetic field of HTS power cable is mostly shielded by the induced current on the shield layer during normal operation. However, quench occurs at the shield layer and its current is kept below its critical current at the fault condition. Consequently, the magnetic field starts to spread out and it generates additional inductive impedance of the cable. The inductive impedance can be enhanced more by installing materials of high magnetic susceptibility around the HTS power cable. It is a concept of SFCL power cable. In this paper, a sample SFCL power cable is suggested and experimental results are presented to investigate the effect of iron cover on the impedance generation. The tests results are analyzed to verify the generation of the inductive and resistive impedance. The analysis results suggest the possible applications of the SFCL power cable to reduce the fault current in a real grid.