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고광오(Kwangoh Ko),천종우(Jongwoo Chun),백승우(Seungwoo Pack),민은종(Eunjong Min),박창범(Changbeom Park) 한국신재생에너지학회 2016 신재생에너지 Vol.12 No.3
Tidal current power has advantages over other renewable energy resources due to the high energy density of the fluid, steadiness and predictability. On the other hand, it has the disadvantage of the high initial construction costs when a generation system is installed and power transmission is expensive compared to the generating capacity. To overcome these disadvantages, it is important to develop a more economical and good workability supporting structure. A caisson-type supporting structure has the advantage that there is no need to mobilize a large floating crane because it uses buoyancy during transport and installation. In addition, it is cost-effective compared to the existing gravity type or jacket type supporting structures because of installation costs. In this study, a caisson-type supporting structure is proposed as a tidal current generation supporting system, and a numerical simulation was performed under the conditions of the nearby Uldolmok maritime area. The design wave height was derived by comparing the SWAN program and ACES program, and the review of the flood and ebb tide flow velocity was carried out using the EFDC program. In addition, integrated load analysis of the tidal current power generation system in each conditions was performed using the Tidal-Bladed program.