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사우디라아비아 380㎸ XLPE Cable의 신뢰성 확보를 위한 온라인 부분방전 모니터링 시스템 구축
서인진(In-Jin Seo),이전선(Jeon-Seon Lee),김한중(Han-Joong Kim),김종철(Jong-Cheol Kim),김정윤(Jung-Yoon Kim),이현선(Hyun-Sun Lee) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.10
We constructed an on-line PD monitoring system for the 380㎸ U/G Cable project at the Riyad 9012 substation in Saudi arabia. The system will be monitoring the termination of the two 380㎸ XLPE Cables to prevent unexpected failure of the cable insulation. The system had been tested in the laboratory and on site for detection of various PD signals and reliability of operation. The system distinguish the existence and nonexistence of the partial discharge and then judge the source of partial discharge using automatic PD pattern recognition software.
실데이터 기반의 전기자동차 충전 데이터 분석 및 충전 패턴 도출
김준혁(Jun-Hyeok Kim),문상근(Sang-Keun Moon),이병성(Byung-Sung Lee),서인진(In-Jin Seo),김철환(Chul-Hwan Kim) 대한전기학회 2018 전기학회논문지 Vol.67 No.11
As the interests in eco-friendly energy has increased, the interests in Electric Vehicles(EVs) are increasing as well. Moreover, due to the government"s economic support for EVs, penetration level of it has rapidly increased. These sharp increases, however, induce various problems in distribution system, such as voltage/frequency variations, peak demand increasement, demand control, etc. To minimize these possible matters, lots of research have conducted. Nevertheless, most of it assumed extremely important factors, such as numbers and charging patterns of EVs. It inevitably results in errors in their research, and thus make it difficult to prevent the possible matters from EVs. In this paper, therefore, we use actual EVs charging data from KEPCO, and analysis and deduction of it were conducted. The simulations were carried out for four aspect(season, region, purpose).