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논문 기본 정보

자료유형
학술저널
저자정보
지준범 (국립기상연구소) 최영진 (국립기상연구소) 이규태 (강릉원주대학교)
저널정보
한국태양에너지학회 한국태양에너지학회 논문집 한국태양에너지학회 논문집 제32권 제2호
발행연도
2012.4
수록면
64 - 73 (10page)

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The angle of solar panels is calculated using solar radiation model for the efficient solar power generation. In ideal state, the time of maximum solar radiation is represented from 12:08 to 12:40 during a year at Gangneung and its average time is 12:23. The maximum solar radiation is 1012 W/㎡ and 708 W/㎡ in clear sky and cloudy sky, respectively. Solar radiation is more sensitive to North-South (N-S) slope angle than East-West (E-W) azimuth angle. Daily solar radiation on optimum angle of solar panel is higher than that on horizontal surface except for 90 days during summer.
In order to apply to the real atmosphere, the TMY (typical meteorological Year) data which obtained from the 22 solar sites operated by KMA(Korea Meteorological Administration) during 11 years(2000 to 2010) is used as the input data of solar radiation model. The distribution of calculated solar radiation is similar to the observation, except in Andong, where it is overestimated, and in Mokpo and Heuksando, where it is underestimated. Statistical analysis is performed on calculated and observed monthly solar radiation on horizontal surface, and the calculation is overestimated from the observation. Correlation is 0.95 and RMSE (Root Mean Square Error) is 10.81 MJ.
The result shows that optimum N-S slope angles of solar panel are about 2° lower than station latitude, but E-W slope angles are lower than ± 1°. There are three types of solar panels: horizontal, fixed with optimum slope angle, and panels with tracker system. The energy efficiencies are on average 20% higher on fixed solar panel and 60% higher on tracker solar panel than compared to the horizontal solar panel, respectively.

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Abstract
1. 서론
2. 자료 및 방법
3. 결과
4. 요약 및 제언
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