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Performance analysis of a PV/HKT/WT/DG hybrid autonomous grid
Electrical Engineering ( IF 1.6 ) Pub Date : 2020-07-30 , DOI: 10.1007/s00202-020-01065-9
Paul Arévalo , Francisco Jurado

This paper presents the performance of a renewable autonomous hybrid grid composed of photovoltaic system, wind turbines, hydrokinetic turbines, diesel generator and energy storage systems. Three energy dispatch control and several storage systems have been studied. Technical, environmental and economic indicators have been used to determine the impact on the hybrid autonomous grid and its sizing optimization. However, this study goes further by conducting a sensitivity analysis such as capital cost, state of charge and time step, to choose the best system configuration. The results show that, when using the energy storage system composed of pumped hydro, under the load following energy dispatch control, the net present cost and cost of energy are lower with respect to others storage technologies proposed. However, the storage system with the lowest CO2 emissions is lead acid battery using the combined cycle energy dispatch control. In addition, the wind turbines have presented the greatest sensibility in the net present cost with respect to the capital cost variation and pumped hydro-storage present sensitivity response with respect to state of charge. All configurations have different several behaviors, therefore, the advantages and disadvantages of each one are analyzed.

中文翻译:

PV/HKT/WT/DG混合自治电网的性能分析

本文介绍了由光伏系统、风力涡轮机、水力涡轮机、柴油发电机和储能系统组成的可再生自治混合电网的性能。研究了三种能源调度控制和几种储能系统。技术、环境和经济指标已被用于确定对混合自治电网的影响及其规模优化。然而,这项研究进一步进行了敏感性分析,例如资本成本、充电状态和时间步长,以选择最佳系统配置。结果表明,当使用由抽水蓄能组成的储能系统时,在负载跟随能量调度控制下,净现成本和能源成本相对于其他储能技术而言较低。然而,CO2 排放量最低的储能系统是采用联合循环能源调度控制的铅酸蓄电池。此外,风力涡轮机在净现成本方面表现出最大的敏感性,相对于资本成本变化和抽水蓄能目前相对于充电状态的敏感性响应。所有配置都有不同的几种行为,因此,分析了每种配置的优缺点。
更新日期:2020-07-30
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