Study on vertical variation of horizontal wind energy resources distribution using clustering analysis

군집분석을 통한 풍력자원 수평 공간 분포의 연직 변화에 관한 연구

  • 김민정 (부산대학교 지구환경시스템학부) ;
  • 이화운 (부산대학교 지구환경시스템학부) ;
  • 이순환 (부산대학교 BK21 연안환경시스템사업단) ;
  • 김동혁 (부산대학교 지구환경시스템학부) ;
  • 정우식 (인제대학교 대기환경정보센터) ;
  • 김현구 (한국에너지기술연구원)
  • Published : 2009.06.25

Abstract

Wind classification for exact estimation of wind energy resources was carried out using numerically simulated wind data for three years. The MM5(a fifth-generation Mesoscale Model), developed at Penn State University and the National Center for Atmospheric Research (NCAR), was used to estimate the wind fields in this study. We also use a variant of the K-mean clustering to classify the wind district and define the relation between districts. Wind estimated at surface and 100 m high at Busan area is classified into the 10 and 7 classes, respectively. These discrepancies of wind districts pattern at surface and upper air meteorological data indicates the quantity of wind resources can be changed according to the level of wind data used in estimation. Therefore, the estimation of wind district classification by reasonable wind data is utilized to build the effective policy for wind energy dissemination.

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