이중퀜치를 이용한 삼상변압기형 초전도한류기의 삼상지락 고장 종류에 따른 고장전류 제한 특성 분석Analysis on Fault Current Limiting Characteristics of Three-Phase Transformer Type SFCL using Double Quench According to Three-Phase Ground-Fault Types
- Other Titles
- Analysis on Fault Current Limiting Characteristics of Three-Phase Transformer Type SFCL using Double Quench According to Three-Phase Ground-Fault Types
- Authors
- 이신원; 한태희; 임성훈
- Issue Date
- Nov-2023
- Publisher
- 한국전기전자재료학회
- Keywords
- Fault current limiting characteristics; Three-phase transformer type superconducting fault current limiter (SFCL); Double quench; Three-phase ground faults
- Citation
- 전기전자재료학회논문지, v.36, no.6, pp.614 - 619
- Journal Title
- 전기전자재료학회논문지
- Volume
- 36
- Number
- 6
- Start Page
- 614
- End Page
- 619
- URI
- https://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/44592
- DOI
- 10.4313/JKEM.2023.36.6.13
- ISSN
- 1226-7945
- Abstract
- The fault current limiting characteristics of three-phase transformer type superconducting fault current limiter (SFCL), which consisted of three-phase primary and secondary windings wound on E-I iron core, one high-TC superconducting (HTSC) element connected with the secondary winding of one phase and another HTSC element connected in parallel with other two secondary windings of two phases, were analyzed. Unlike other three-phase transformer type SFCLs with three HTSC elements, three-phase transformer type SFCL using double quench has the merit to perform fault current limiting operation for three-phase ground faults with two HTSC elements. To verify its proper three-phase ground fault current limiting operation, three-phase ground faults such as single-line ground, double-line ground and triple-line ground faults were generated in three-phase simulated power system installed with three-phase transformer type SFCL using double quench. From analysis of its fault current limiting characteristics based on tested results, three-phase transformer type SFCL using double quench was shown to be effectively operated for all three-phase ground faults.
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