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고경남,강문종,허종철,Ko, Kyung-Nam,Kang, Mun-Jong,Huh, Jong-Chul 한국태양에너지학회 2007 한국태양에너지학회 논문집 Vol.27 No.1
This paper reveals both the operational situation and the cause of the error occurred in wind turbine generator system of Hangwon wind farm in Jeju island. The four wind turbines were selected for this work, and the monitored period was for six months. Wind resource in the wind farm was analyzed, and the estimated energy production was compared with the actual energy production. As a result, with a decrease of system error, the estimated energy production was in good agreement with the actual energy production. The errors occurring in components such as gearbox and hydraulic motor affected the Availability of the wind turbine. Also, poor external conditions such as a strong wind, lightning and gust caused a standstill of wind turbines.
혼류형 팬의 설계변수가 성능에 미치는 영향에 대한 실험적 연구
박진욱(Jin-Wook Park),허종철(Jong-Chul Huh),이철형(Chul-Hyung Lee),박완순(Wan-Soon Park) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
This study aims to analyze the effects of design parameters of mixed-flow fans. The eight kinds of mixed impellers with backward curved blades, which have four different back swept angles of hub plate, were selected. The impellers having exit blade angle of 45˚ and the range of 6 to 12 for number of blades were designed. The three kinds of casing having different guide vane angles were selected and organized with impellers to evaluate the performance of mixed-flow fans.