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Abstract

The article describes the payback calculation system of introduction a network solar power plants in private households that are locating in Ukraine. The system takes into account such parameters as beam, ground-reflected and diffuse solar radiation with atmospheric attenuation, the angle and the orientation roof, the daily average temperature of photovoltaic cells and the temperature coefficient of solar panels, when calculating the generation of a network solar power plant. The flux of solar radiation that falls on the surface of the photovoltaic cells is determined of the Hay-Davis model. When calculating the payback solar power plant takes into account such parameters as annual electricity consumption, current electricity price, feed-in tariff and annual electricity price increase. The average market price of a network solar power plant is taken at the rate of 1 dollar per 1 watt of installed capacity. Based on these parameters, the system calculates a monthly, daily average and annual generation of a network solar power plant, calculates the relative cost of a network solar power plant, calculates of electricity costs forecast over twenty years and calculates a payback period of a network solar power plant. The monthly and daily average generation of a network solar power plant, electricity costs forecast over twenty years and payback period of a network solar power plant displayed in the system in the form of corresponding graphs and diagrams. In the case if investments necessary for the construction and commissioning of a network solar power plant don’t pay off within twenty years, the system will display this information in the corresponding field.
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私人户用引进网太阳能电站投资回报计算系统
本文介绍了在乌克兰引进一个私人家庭网络太阳能发电厂的投资回报计算系统。该系统在计算并网太阳能电站发电量时,考虑了光束、地面反射和大气衰减的太阳漫反射辐射、屋顶的角度和朝向、光伏电池的日平均温度和太阳能板的温度系数等参数。落在光伏电池表面的太阳辐射通量由Hay-Davis模型确定。太阳能电站在计算投资回报时,考虑了年用电量、当前电价、上网电价和年电价涨幅等参数。网络太阳能发电厂的平均市场价格按每瓦特装机容量1美元计算。根据这些参数,计算出并网太阳能电站的月发电量、日平均发电量和年发电量,计算出并网太阳能电站的相对成本,计算出二十年的电费预测,计算出并网太阳能电站的投资回收期。并网太阳能电站的月平均发电量、日平均发电量、二十年电费预测以及并网太阳能电站的投资回收期以相应的图形形式在系统中显示。如果网络太阳能电站的建设和调试所需的投资在20年内没有回报,系统将在相应的领域显示这些信息。
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