研究塔式太阳能光热电站定日镜场布局方法和光学效率计算理论,提出无挡光圆弧交错布局优化设计新方法,建立定日镜场光学模型,验证定日镜场光学模型的正确性。以西班牙Gemasolar电站为例,采用新设计方法重新设计定日镜场,分析定日镜场的光学性能,与原镜场相比,新镜场年均光学效率由61.62%提高到63.14%,镜场年最大光学效率由66.87%提高到68.45%,镜场密度由20.42%提高到27.36%,镜场光学性能得到提升,验证了新设计方法的可行性。
Abstract
The layout methods and optical efficiency calculation theory of the heliostat field in the solar power tower plant were investigated. A new optimization and design method based on no-blocking radial stagger layout was proposed. An optical model of heliostat field was established and validated. The heliostat field of the Gemasolar power plant in Spain was redesigned by usingthe new optimization method The optical performance of the heliostat field was analyzed.Comparing to the original heliostat field, the annual average optical efficiency of the new heliostat field is increased from 61.62% to 63.14%, and the annual maximum optical efficiency is increased from 66.87% to 68.45%. Furthermore, the heliostat field density is improved from 20.42% to 27.36%. The optical performance of the heliostat field is enhanced. The feasibility of the new optimization and design method is validated.
关键词
塔式太阳能热发电站 /
定日镜场 /
光学效率 /
优化布局 /
太阳位置 /
塔式太阳能热发电
Key words
solar power tower station /
heliostat field /
optical efficiency /
optimized layout /
sun position /
solar power tower generation
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基金
国家自然科学基金面上项目（52376219）
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