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Designing Roof Photovoltaic Systems in Municipal Buildings for Minimum Lighting Energy Costs

机译：设计市政建筑的屋顶光伏系统，以最小化照明能源成本

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The report considers the optimal design of roof photovoltaic systems (PVS) for municipal buildings. PVSs reduce energy expenses by saving the costs of supply of power, which are a component of the total energy cost. The report addresses the question how big and what type of PVS should be selected when the energy produced by the PVS is guaranteed to be sold. Given known annual electricity needs for the building, a criterion for optimization of the inputs to the PVS is the minimum cost per unit of energy consumed (BGN/MWh), whether produced by the PVS or purchased by the system. The energy used can be either bought from the system or taken from batteries that store the energy produced by the PVS during the day. The optimal strategy is determined by the battery prices, the converters used (network or hybrid inverters) and by the 24-hour energy consumption schedule of the building's consumers.
机译：该报告考虑了用于市政建筑的屋顶光伏系统（PVS）的最佳设计。 PVS通过节省作为总能源成本一部分的供电成本来减少能源支出。该报告解决了当保证出售PVS产生的能量时应选择多少PVS和选择哪种PVS的问题。给定建筑物的已知年度电力需求，优化PVS输入的标准是单位能耗的最小成本（BGN / MWh），无论是由PVS产生还是由系统购买。可以从系统购买能量，也可以从存储白天PVS产生的能量的电池中获取能量。最佳策略由电池价格，使用的转换器（网络或混合逆变器）以及建筑物消费者的24小时能耗时间表决定。

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