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EMTP-RV를 이용한 초전도 케이블 모델링 및 계통 적용 시 보호협조 분석
하철종(Chul-Jong Ha),백영식(Young-Sik Baek),이근준(Geun-Joon Lee),이현철(Hyun-Chul Lee),양병모(Byeong-Mo Yang) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
본 논문에서는 EMTP-RV를 이용하여 초전도 케이블과 보호기기를 모델링 하였고, 고장 발생 시 케이블에 발생하는 ?치 현상을 분석하였다. 그리고 계통 적용 시 초전도 케이블을 모선으로 사용하고 보호협조를 분석하였다.
하철종(Chul-Jong Ha),양병모(Byeong-Mo Yang),이현철(Hyun-Chul Lee),이근준(Geun-Joon Lee),백영식(Young-Sik Baek) 대한전기학회 2010 전기학회논문지 Vol.59 No.7
A high temperature superconducting power cable (HTS power cable) was applied large current capacity by no resistance in normal state. Fault state was risen out of over-current but, it was limited to resistance. this study was modeling equivalence, and unbalanced state analyzed operating charateristics of HTS power cable. The equivalence model was composed superconductor, shield, and former part. This model simulation was appeared conductor and shield current in normal state, but fault state was appeared former current as rise current by resistance. so it need to sufficiently influenced the quench characteristic when the former design.
선종호(Sun Jong-Ho),김우성(Kim Woo-Sung),김광화(Kim Kwang-Hwa),오원근(Oh Won-Keun),하영식(Ha Young-Sik) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper describes insulation characteristics and partial discharge for the SF6 gas insulated transformer. The characteristics of gas insulated transformer and the degradation sequence of solid insulation under SF6 gas atmosphere were explained. The model electrode system of the types that the aramid papers were inserted between two sphere electrodes was prepared. The partial discharge tests were carried out to that system and the insulation characteristics were considered.