한국신재생에너지학회:학술대회논문집
- 2008.10a
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- Pages.262-267
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- 2008
Analysis on wind condition characteristics for an offshore structure design
해상풍력 구조물 설계를 위한 풍황 특성분석
- Seo, Hyun-Soo ;
- Kyong, Nam-Ho ;
- Vaas, Franz ;
- Kim, Hyun-Goo
- 서현수 (한국풍력기술개발사업단) ;
- 경남호 (한국풍력기술개발사업단) ;
- ;
- 김현구 (한국에너지기술연구원)
- Published : 2008.10.16
Abstract
The long-term wind data are reconstructed from the short-term meteorological data to design the 4 MW offshore wind park which will be constructed at Woljeong-ri, Jeju island, Korea. Using two MCP (Measure-Correlate-Predict) models, the relative deviation of wind speed and direction from two neighboring reference weather stations can be regressed at each azimuth sector. The validation of the present method is checked about linear and matrix MCP models for the sets of measured data, and the characteristic wind turbulence is estimated from the ninety-percent percentile of standard deviation in the probability distribution. Using the Gumbel's model, the extreme wind speed of fifty-year return period is predicted by the reconstructed long-term data. The predicted results of this analysis concerning turbulence intensity and extreme wind speed are used for the calculation of fatigue life and extreme load in the design procedure of wind turbine structures at offshore wind farms.
Keywords
- MCP;
- offshore wind turbine;
- wind resource;
- normal turbulence model;
- characteristic wind turbulence;
- characteristic standard deviation