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장수진(Jang, Su-Jin),이정민(Lee, Jeong-Min),김왕문(Kim, Wang-Moon),구태홍(Goo, Tae-Hong),서인영(Suh, In-Young) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.05
In this paper, a new DC ground fault detection system is proposed, which is suitable for photovoltaic power generation systems. The proposed ground fault systems is superposition of divide resistance and detection circuit. The proposed system has the characteristics of a simplified structure, reduced cost and volume compared with those of the conventional ground fault system for DC source. The operation principle of the proposed systems is described and verified by simulation result.