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http://dx.doi.org/10.5370/KIEEP.2014.63.4.312

Analysis on Voltage Sag in Power Distribution System according to SFCL's Impedance for Protective Coordination with Large Transformer  

Kim, Jin-Seok (숭실대학교 전기공학부)
Moon, Jong-Fil (한국교통대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.63, no.4, 2014 , pp. 312-316 More about this Journal
Abstract
In this paper, a voltage sag is analyzed in case of superconducting fault current limiter (SFCL) installed in power distribution system where replaces the main power transformer to large one to meet the power demand. First, the power system is configurated to analyze the operation characteristics of the protective relay with replacement of the main transformer and application of the SFCL. Next, the method to meet the protection coordination is analyzed with large transformer using PSCAD/EMTDC. Finally, the bus voltage is investigated according to the impedance of both main transformer and SFCL in case that the SFCL is applied into feeder.
Keywords
Superconducting fault current limiter; Power distribution system; Large transformer; Protective coordination; Voltage quality;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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