자속구속형 고온초전도 사고전류 제한기의 사고제거 후 회복특성Recovery Characteristics of a Flux-lock Type HTSC Fault Current Limiter after Fault Removal
- Other Titles
- Recovery Characteristics of a Flux-lock Type HTSC Fault Current Limiter after Fault Removal
- Authors
- 임성훈
- Issue Date
- Sep-2007
- Publisher
- 한국전기전자재료학회
- Keywords
- Recovery characteristics; Flux-lock type superconducting fault current limiter (SFCL); Current limiting characteristics; Recovery characteristics; Flux-lock type superconducting fault current limiter (SFCL); Current limiting characteristics
- Citation
- 전기전자재료학회논문지, v.20, no.9, pp.812 - 815
- Journal Title
- 전기전자재료학회논문지
- Volume
- 20
- Number
- 9
- Start Page
- 812
- End Page
- 815
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/18013
- ISSN
- 1226-7945
- Abstract
- To apply the superconducting fault current limiter (SFCL) into a power system, the analysis for its recovery characteristics as well as the consideration for its cooperation with other protecting machine such as a circuit breaker is required. The recovery characteristics of the flux-lock type SFCL like its current limiting characteristics are dependent on the winding direction of two coils. In this paper, the experiments of the current limiting and the recovery characteristics of the flux-lock type SFCL with YBCO thin film were performed. From the analysis on the experimental results due to the winding direction of two coils, the limited fault current in case of the additive polarity winding was observed to be lower than that for the case of the subtractive polarity winding. In addition, the recovery time was found to be faster in case of the additive polarity winding compared to the subtractive polarity winding.
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