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직류급전시스템 고장점표정장치 개발을 위한 현장시범 설치
김윤식(Youn-Sik Kim),김용덕(Yong-Duk Kim),하태요(Tae-Yoo Ha),한문섭(Moon-Seob Han),박종국(Jong-Gook Park),임형길(Hyeong-Gil Im) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
A "failure point informing device" is that if a accident of short or ground occurs in electric railway it inform us of the distance to accident point. SeoulMetro KRRI 2ISYS have developed this device and installed in line no.4 substation Iy-Chon Sam-Gakgi to test its performance. A line resistance will be measured to test this device in November.