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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/69453


    Title: 多重曲率之聚光元件應用於聚光型太陽能電池系統
    Authors: 杜修銘;Du,Hsiu-Ming
    Contributors: 能源工程研究所
    Keywords: 聚光型太陽能電池系統;聚光元件;聚光效率;菲涅爾透鏡;多重曲率;Concentrated photovoltaics (CPV);Concentrator;Fresnel lens;Concentrator efficiency;Multiple curvature lens
    Date: 2016-01-28
    Issue Date: 2016-03-17 20:39:49 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 三接面Ⅲ-Ⅴ族太陽能電池具有較高的轉換效率,但其成本較為昂貴,若在太陽能模組中加入聚光元件,將大面積的太陽光匯聚至小面積的太陽能電池上,可以降低太陽能系統的成本。然而,為了增加聚光倍率及使用三接面Ⅲ-Ⅴ族太陽能電池,會產生像散及色散的狀況,使得光線無法有效的匯聚至太陽能電池上,導致聚光效率的降低。
    本論文針對聚光型太陽能模組之聚光元件─菲涅爾透鏡,使用多重曲率法之方式,將菲涅爾透鏡分為多個部分,每個部份搭配不同的曲率半徑能有效的改善像差與色散對聚光效率之影響,以提升聚光效率。接著,使用光學軟體LightTools,進行光學特性探討及模擬分析。並實際製作出設計成果,利用太陽能模擬器與太陽能分析儀進行量測實驗,來驗證模擬設計之可行性。最後,分析模擬結果與實驗結果之間的誤差原因。;Triple-junction solar cells with high conversion efficiency, but the cost is more expensive. If the solar module is added in the concentrator, the large area of sunlight converged to a small area for solar cells that can be reduced the cost of solar systems. However, in order to increase the concentration efficiency and using triple-junction solar cells. It will have the situation of aberration and chromatic aberration, so that the light cannot be effectively converged into the solar cells. Resulting in concentration efficiency is decrease.
    In this study, mainly for the concentrator of the concentrator photovoltaic modules─Fresnel lens. Using the method of multiple focal lengths, the Fresnel lens is divided into a plurality of sections. In each part with a different focal length can effectively improve the impact of aberration and chromatic aberration for the concentration efficiency to enhance the concentration efficiency. Then, use optical software LightTools to carry on optical characteristic discussion and the simulation analysis. Manufacture actual production of design results, using of the solar simulator and solar module analyzer to measure the experiments for validate the feasibility of simulation design. Finally, analyze the error between simulation result and experiment result.
    Appears in Collections:[能源工程研究所 ] 博碩士論文

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