考虑复合储能电站接入的电网日前-日内两阶段滚动优化调度

王振浩; 马爽; 李国庆; 边竞

doi:10.19912/j.0254-0096.tynxb.2021-0444

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (10) : 400-408. DOI: 10.19912/j.0254-0096.tynxb.2021-0444

考虑复合储能电站接入的电网日前-日内两阶段滚动优化调度

王振浩, 马爽, 李国庆, 边竞

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DAY-AHEAD AND INTRA-DAY TWO-STAGE ROLLING OPTIMAL DISPATCH OF POWER GRID CONSIDERING ACCESS OF COMPOSITE ENERGY STORAGE POWER STATIONS

Wang Zhenhao, Ma Shuang, Li Guoqing, Bian Jing

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摘要

为提高电力系统对光伏的接纳能力,降低光伏波动对电力系统运行的影响,提出一种考虑电池储能-抽水蓄能复合储能的电力系统日前-日内两阶段“源-储-荷”协调优化调度策略。首先,在日前调度模型中,以最小化系统总运行经济成本为目标,综合复合储能资源和负荷侧各类需求响应资源对电网进行双端协调优化。然后,在日内短时间尺度上,供需双端协调优化机组出力与需求侧响应,充分发挥抽水蓄能的调峰能力以及电池储能对光伏波动的抑制作用。所提模型通过CPLEX软件求解,算例结果验证了该模型能协调优化系统内各类可调节资源,有效降低系统弃光率。

Abstract

In order to improve the acceptance capacity of the power system for photovoltaic and reduce the impact of photovoltaic fluctuation on the operation of the power system, this paper proposes a day-to-day two-stage "source storage load" coordinated optimal dispatching strategy of the power system considering the battery energy storage and pumped storage composite energy storage. First of all, in the day ahead scheduling model, to minimize the total operating cost of the system, the two terminal coordination optimization of the power grid is carried out by combining the composite energy storage resources and load side demand response resources. Then, on a short time scale within a day, both supply and demand ends coordinate to optimize the unit output and demand side response, and give full play to the peak shaving capacity of pumped storage and the inhibition of battery energy storage on photovoltaic fluctuations. The proposed model is solved by CPLEX software. The example results verify that the model can coordinate and optimize various adjustable resources in the system and effectively reduce the light rejection rate of the system.

关键词

光伏发电 / 优化调度 / 储能电站 / 需求响应

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王振浩, 马爽, 李国庆, 边竞. 考虑复合储能电站接入的电网日前-日内两阶段滚动优化调度[J]. 太阳能学报. 2022, 43(10): 400-408 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0444

Wang Zhenhao, Ma Shuang, Li Guoqing, Bian Jing. DAY-AHEAD AND INTRA-DAY TWO-STAGE ROLLING OPTIMAL DISPATCH OF POWER GRID CONSIDERING ACCESS OF COMPOSITE ENERGY STORAGE POWER STATIONS[J]. Acta Energiae Solaris Sinica. 2022, 43(10): 400-408 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0444

中图分类号： TM615

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