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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Configuration of Protection System for Low Voltage DC Distribution System with Photovoltaic System including Tie Switch
Authors Hun-Chul Seo ; Keon-Woo Park ; GI-Hyeon Gwon
DOI http://doi.org/10.5207/JIEIE.2024.38.2.111
Page pp.111-117
ISSN 1225-1135
Keywords EMTP; Fault current; LVDC distribution system; Protection; Tie switch
Abstract DC power distribution is attracting attention due to the increase in renewable energy and DC load. Due to the characteristics of the DC distribution system configuration such as DC/DC converters, the new protection system are essential for stable operation of the low voltage DC (LVDC) distribution system. This paper proposes a new protection method in the LVDC distribution system with photovoltaic (PV) system connected by tie switch. In the system configuration of the proposed method, circuit breaker(CB)s are installed at both ends of the line. The proposed protection system includes both the fault detection and the recovery procedure.