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Development of EMTDC model for Resistance type Fault Current Limiter considering transient characteristic  

윤재영 (한국전기연구원 전력연구단)
김종율 (한국전기연구원 전력연구단)
이승렬 (한국전기연구원 전력연구단)
Publication Information
Progress in Superconductivity and Cryogenics / v.5, no.2, 2003 , pp. 1-7 More about this Journal
Abstract
Nowadays, one of the serious problems in KEPCO(Korea Electric Power Co-Operation) system is the more higher fault current than the SCC(Short Circuit Capacity) of circuit breaker. There are many alternatives to reduce the increased fault current such as isolations of bus ties, enhancement of SCC of circuit breaker, applications of HVDC-BTB(High Voltage Direct Current-Back to Back) and FCL(fault current limiter). But, these alternatives have some drawbacks in viewpoints of system stability and cost. As the superconductivity technology has been developed, the HTS-FCL(High Temperature Superconductor -Fault Current Limiter) can be one of the attractive alternatives to solve the fault current problem. Under this background, this paper presents the EMTDC(Electro-Magnetic Transient Direct Current) model for resistance type HTS-FCL considering the nonlinear characteristic of final resistance value when quenching phenomena occur.
Keywords
Resistance type FCC; Transient model EMTDC;
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