태양광시스템의 지역별 최적 방향 및 각도 연구: SAM을 활용한 시뮬레이션 사례분석
Study on the Regional Differences of Optimal Orientation and Tilt Angle for Photovoltaic Systems: Simulations by a System Advisor Model
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초록
In Korean practice, the installers apply a 180° orientation angle and 30° tilt angle for the optimal solar array. This studyexamined whether the optimal combination would be correct in the geological conditions of Korea. In this paper, the power generationof 80 sample sites in Korea with different longitudes and latitudes was calculated using a System Advisor Model. Each sample wassimulated with a wide range of azimuth angles (0°-360°) and tilt angles (0°-90°) by a change of each one degree and the relationshipbetween the system (module direction and angle) and the location (latitude and longitude) for the maximum power generation wasanalyzed. Based on a total of 2,620,800 simulation runs, the optimal ranges were the 176-184° azimuth and 30-36° tilt. In this study,the strong positive relationship between the tilt angle and the latitude and longitude for the optimal power generation was proven.
Abstract
In Korean practice, the installers apply a 180° orientation angle and 30° tilt angle for the optimal solar array. This studyexamined whether the optimal combination would be correct in the geological conditions of Korea. In this paper, the power generationof 80 sample sites in Korea with different longitudes and latitudes was calculated using a System Advisor Model. Each sample wassimulated with a wide range of azimuth angles (0°-360°) and tilt angles (0°-90°) by a change of each one degree and the relationshipbetween the system (module direction and angle) and the location (latitude and longitude) for the maximum power generation wasanalyzed. Based on a total of 2,620,800 simulation runs, the optimal ranges were the 176-184° azimuth and 30-36° tilt. In this study,the strong positive relationship between the tilt angle and the latitude and longitude for the optimal power generation was proven.
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