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EMTDC Modeling Method of DC Reactor type Superconducting Fault Current Limiter
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  • EMTDC Modeling Method of DC Reactor type Superconducting Fault Current Limiter
  • EMTDC Modeling Method of DC Reactor type Superconducting Fault Current Limiter
저자명
Lee. Jaedeuk,Park. Minwon,Yu. In-Keun
간행물명
한국초전도·저온공학회논문지
권/호정보
2003년|5권 1호|pp.56-59 (4 pages)
발행정보
한국초전도저온공학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

As electric power systems grow to supply the increasing electric power demand short-circuit current tends to increase and impose a severe burden on circuit breakers and power system apparatuses. Thus, all electric equipment in a power system has to he designed to withstand the mechanical and thermal stresses of potential short-circuit currents. Among current limiting devices, Fault Current Limiter (FCL) is expected to reduce the short-circuit current. Especially, Superconducting Fault Current Limiters (SFCL) offer ideal performance: in normal operation the SFCL is in its superconducting state and has negligible impedance, in the event of a fault, the transition into the normal conducting state passively limits the current. The SFCL using high-temperature superconductors offers a positive resolution to controlling fault-current levels on utility distribution and transmission networks. This study contributes to the EMTDC based modeling and simulation method of DC Reactor type SFCL. Single and three phase faults in the utility system with DC reactor type SFCLs have been simulated using EMTDC in order to coordinate with other equipments, and the results are discussed in detail.