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Analysis of variations in PV production, focussing on storage and dispatchability decisions

机译：分析光伏生产的变化，侧重于存储和可调度性决策

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Photovoltaic energy has been consolidated as one of the largest sources of renewable energy. Moreover, there is continuous worldwide growth in installed capacity. However, the inherent variability and uncertainty of these power systems are its main inconveniences. It causes undesirable effects on the distribution power grids and prevents it from participating in the electricity market as a manageable or dispatchable energy source. Energy storage could ensure stabilization of decentralized grids and help to enable the penetration of photovoltaic (PV) energy. However, incorporating batteries in PV installations will require increased investment and the concomitant decrease in their profitability. An optimal design of these storage systems, in order to minimize investment costs, could be achieved by means of accurate knowledge of the PV production variations. In this paper these fluctuations are analyzed in two grid-connected photovoltaic plants located in Andalusia, Spain, over a two-year period. Information about the batteries' capacity and life-cycle may be extracted. A smoothing effect has been found if the forecast of photovoltaic production is performed at 60-min. intervals.
机译：光伏能源已被巩固为最大的可再生能源之一。此外，全球装机容量持续增长。但是，这些电源系统固有的可变性和不确定性是其主要的不便之处。它会对配电网造成不良影响，并阻止其作为可管理或可调度的能源参与电力市场。储能可以确保分散式电网的稳定，并有助于实现光伏（PV）能量的渗透。但是，将电池集成到光伏装置中将需要增加投资，并随之降低其盈利能力。为了使投资成本最小化，可以通过对光伏生产变化的准确了解来实现这些存储系统的最佳设计。在本文中，在两年的时间里，对位于西班牙安达卢西亚的两个并网光伏电站的波动进行了分析。可以提取有关电池容量和使用寿命的信息。如果对光伏产量的预测是在60分钟时进行的，则会发现有平滑效果。间隔。

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