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Evaluation of battery-renewable hybrid stations in small-isolated systems

机译:小型隔离系统中电池可更新混合动力站的评估

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摘要

Hybrid power stations (HPSs) are virtual power plants comprising storage and renewable energy source facilities operated in a coordinated manner as dispatchable stations. The HPS concept has been introduced as a means to increase renewable penetration in saturated island systems. The main objective of this study is to shed light on the operation of battery-based HPSs in small-island systems and their investment feasibility. Anticipated benefits for the island system are quantified in terms of system production cost and renewable penetration, while the exploitation of available renewable energy by the HPS is analyzed and the internal operation of its components is evaluated. A mixed integer linear programming generation scheduling approach is used to conduct daily and annual simulations of the entire island generation system, while at the same time optimising the internal management of the HPS as well. Based on the operating results thus obtained, the economic feasibility of battery-based HPS investments using wind, photovoltaics or their combination as the renewable generation component is assessed, by utilising the levelised cost of energy as the primary evaluation index and accounting for the life expectancy of the HPS battery storage system.
机译:混合电站(HPS)是虚拟电厂,包括以协调方式作为可调度电站运行的存储和可再生能源设施。已引入HPS概念,以增加饱和岛系统中的可再生能源渗透率。这项研究的主要目的是阐明小岛系统中基于电池的高压钠灯的运行及其投资可行性。根据系统生产成本和可再生能源渗透率,对岛屿系统的预期收益进行了量化,同时分析了HPS对可用可再生能源的利用,并评估了其组件的内部运行。混合整数线性规划生成调度方法用于对整个岛屿生成系统进行每日和年度仿真,同时还可以优化HPS的内部管理。根据由此获得的运营结果,通过将平准化的能源成本作为主要评估指标并考虑预期寿命,评估使用风能,光伏发电或其组合作为可再生发电组件的基于电池的HPS投资的经济可行性。 HPS电池存储系统。

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