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Quench properties of superconducting fault current limiters connected in parallel
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  • Quench properties of superconducting fault current limiters connected in parallel
  • Quench properties of superconducting fault current limiters connected in parallel
저자명
Kim. Hye-Rim,Park. Hyo-Sang,Park. Kwon-Bae,Hyun. Ok-Bae,Hwang. Si-Dole
간행물명
Progress in superconductivity
권/호정보
2002년|3권 2호|pp.224-228 (5 pages)
발행정보
한국초전도학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

We investigated the quench properties of superconducting fault current limiters (SFCLs) connected in parallel. It was carried out as an effort to scale up the current capacity of SFCL toys texts. SFCLs were based on $YBa_2$$Cu_3$$O_{7}$ films coated in-situ with a gold layer and fabricated by patterning the films into 2 mm wide and 42 cm long meander lines by photolithography. Two SFCLS were connected in parallel and tested with simulated AC fault currents. Initially the current was divided unequally into branches of parallel connection due to unequal resistance of the branches. However, once quench started in the SFCLs, the current oscillated between the branches and then was distributed nearly equally between the branches. In other words, the elements quenched simultaneously. The oscillation amplitude decreased as the source voltage was increased: the oscillation was the most prominent near the quench current. The observed oscillation and the consequent simultaneous quench was understood in terms of quench start and development in the SFCLs.