Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Case Study : Assessment of Small Hydropower Potential Using Runoff Measurements

관측 유량 자료를 이용한 소수력 잠재량 평가에 대한 사례연구

  • Jung, Sung-Eun (Department of Civil Engineering, Inha University) ;
  • Kim, Jin-Young (New and Renewable Energy Resource & Policy Center, Korea Institute of Energy Research) ;
  • Kang, Yong-Heack (New and Renewable Energy Resource & Policy Center, Korea Institute of Energy Research) ;
  • Kim, Hung-Su (Department of Civil Engineering, Inha University)
  • 정성은 (인하대학교 토목공학과) ;
  • 김진영 (한국에너지기술연구원 신재생에너지 자원.정책센터) ;
  • 강용혁 (한국에너지기술연구원 신재생에너지 자원.정책센터) ;
  • 김형수 (인하대학교 토목공학과)
  • Received : 2018.05.30
  • Accepted : 2018.08.17
  • Published : 2018.08.30
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Abstract

In this study, we assessed dependency of small hydropower potentials on the two different runoff such as the estimated runoff based on the rainfall amounts and measured runoff. The hydpropower potentials were evaluated using actural power generations taken from Deoksong, Hanseok, and Socheon small hydropower plants over Han and Nakdong river basins, respectively. As a result of comparing the actual power generation amount with the potential amount based on the rainfall amount and the estimated amount based on the observed flow amount by each small hydroelectric power plant, the degree of latent small hydro energy by the observed flow was confirmed to be high. It is confirmed that the potential hydroelectric power generation rate is estimated to be about average 30%Point higher than the actual generation amount as a result of the measured flow rate rather than using the rainfall amount. Based on this, a method for improving the degree of the actual generation amount is proposed.

Keywords

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