Abstract This manuscript proposes to study different cases that require the use of renewable energies in addition to diesel generators and energy storage systems with the aim of increasing the resilience of a microgrid feeding critical facilities. The aim of the work here presented is to quantify the benefits provided by an improvement of the energy resilience that could be achieved by installing a microgrid in a hospital fed by renewable energy sources. The microgrid will use a scheme based on solar PV in addition to diesel generators and an energy storage system based on electrochemical batteries. First, it has been evaluated how the implant of the microgrid increases the resilience of the power supply when a power failure occurs, considering that the main application in a hospital, even in the event of breakdowns, is to ensure the continuity of the surgical procedures and safely store drug stocks. Thus, these have been defined as the critical loads of the system. The components sizes have been optimized by considering both economic profitability but also the resilience capacity, observing that, by installing solar photovoltaic modules, Li-ion batteries and diesel generators, according to simulations performed in REopt® software, the microgrid could save approximately $ 440,191 on average over a 20-year life cycle of the facility (both considering the mitigation of energy provide by the power grid and the avoided losses during probable power services interruptions), while increasing the minimum resilience of the installation more than 34 h.

中文翻译：

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以储能为手段来提高关键设施电力弹性的可持续微电网：在医院的应用

摘要 本手稿建议研究除柴油发电机和储能系统外还需要使用可再生能源的不同情况，目的是提高微电网为关键设施供电的弹性。这里介绍的工作的目的是量化通过在由可再生能源供电的医院中安装微电网来提高能源弹性所带来的好处。除了柴油发电机和基于电化学电池的储能系统外，微电网还将使用基于太阳能光伏的方案。首先，考虑到医院的主要应用，即使在发生故障时，微电网的植入如何增加电源故障时的恢复能力，是为了确保手术程序的连续性和安全储存药物库存。因此，这些被定义为系统的临界负载。通过考虑经济盈利能力和弹性能力优化了组件尺寸，观察到，根据 REopt® 软件中执行的模拟，通过安装太阳能光伏模块、锂离子电池和柴油发电机，微电网可以节省大约 440,191 美元平均超过 20 年的设施生命周期（既考虑减轻电网提供的能源，也考虑在可能的电力服务中断期间避免的损失），同时增加装置的最小弹性超过 34 小时。