JIEIE - Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.

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Authors	Jin-Seok Kim ; Jae-Chul Kim ; Sung-Hun Lim
DOI	http://dx.doi.org/10.5207/JIEIE.2011.25.3.033
Page	pp.33-39
ISSN	1225-1135
Keywords	Superconducting Fault Current Limiter (SFCL) ; KEPCO Grid ; Protection Coordination
Abstract	In this paper, the protection coordination of the protection devices such as the over-current relay (OCR) and recloser (R/C) with superconducting fault current limiter (SFCL) was investigated in a KEPCO grid. The operation time and protection coordination of the protection devices were changed by the SFCL. Through the analysis for protection coordination between the SFCL and the protection devices in the KEPCO grid, the operation time was observed to depend on the impedance of the SFCL.

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