The model about design and optimization of the solar cottage was established against exploring how to pave various solar photovoltaic cells rationally on the surface of the cabin, which will cause the cottage to produce the maxim economic efficiency many years later. After computing, final results demonstrate total power generation, economic efficiency and investment recovery of photovoltaic cells within thirty-five years of their service.%针对如何合理的在小屋的表面铺设不同型号的太阳能光伏电池,使得在若干年后小屋产生的经济效益最大问题,建立了一个太阳能小屋的设计与优化模型,并计算出小屋光伏电池35年寿命期内的发电总量、经济效益及投资的回收年限。
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