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Economical feasibility of off-grid hybrid power supply for estonian remote areas—part 2: Determination of breakeven grid extension distances

机译:爱沙尼亚偏远地区的离网混合电源的经济可行性—第2部分:盈亏平衡电网延伸距离的确定

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The paper considers the implementation of an off-grid hybrid power supply as an alternative to construction of a grid connection in sparsely populated remote areas in Estonia. In the previous part, the proper configurations of the off-grid hybrid system and component sizes were determined through optimization procedures at different typical meteorological conditions including coastal and inland ones. In this part, levelized costs of energy (LCOEs) were found for a newly built grid connection under the same load demands and interest rates. They were compared with the LCOEs for the off-grid systems in order to find breakeven grid extension distances. As a result, the recommendations on the expedience of off-grid hybrid power supply were obtained for different regions of Estonia.
机译:本文认为,在爱沙尼亚人口稀少的偏远地区,可以使用离网混合电源作为构建电网连接的替代方案。在上一部分中,通过优化程序在不同的典型气象条件(包括沿海和内陆条件)下确定了离网混合系统的正确配置和组件大小。在这一部分中,发现了在相同的负载需求和利率下新建的电网连接的平均能源成本(LCOE)。将它们与离网系统的LCOE进行比较,以找到收支平衡的电网延伸距离。结果,针对爱沙尼亚的不同地区获得了有关离网混合电源供应便利性的建议。

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