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Optimal Placement and Sizing of Distributed Battery Storage in Low Voltage Grids using Receding Horizon Control Strategies

机译:低电压下分布式蓄电池的优化配置和尺寸   使用后退水平控制策略的电压网格

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摘要

In this paper we present a novel methodology for leveraging Receding HorizonControl (RHC), also known as Model Predictive Control (MPC) strategies fordistributed battery storage in a planning problem using a Benders decompositiontechnique. Longer prediction horizons lead to better storage placementstrategies but also higher computational complexity that can quickly becomecomputationally prohibitive. The here proposed MPC strategy in conjunction witha Benders decomposition technique effectively reduces the computationalcomplexity to a manageable level. We use the CIGRE low voltage (LV) benchmarkgrid as a case study for solving an optimal placement and sizing problem fordifferent control strategies with different MPC prediction horizons. Theobjective of the MPC strategy is to maximize the photovoltaic (PV) utilizationand minimize battery degradation in a local residential area, while satisfyingall grid constraints. For this case study we show that the economic value ofbattery storage is higher when using MPC based storage control strategies thanwhen using heuristic storage control strategies, because MPC strategiesexplicitly exploit the value of forecast information. The economic merit ofthis approach can be further increased by explicitly incorporating a batterydegradation model in the MPC strategy.
机译:在本文中,我们介绍了一种利用后退Horizo​​nControl(RHC)的新颖方法,也称为模型预测控制(MPC)策略,用于使用Benders分解技术解决计划中的分布式电池存储问题。较长的预测范围会导致更好的存储放置策略,但也会带来更高的计算复杂度,从而可能很快成为计算上的障碍。本文提出的MPC策略与Benders分解技术相结合,有效地将计算复杂性降低到了可管理的水平。我们使用CIGRE低压(LV)基准网格作为案例研究,以解决针对具有不同MPC预测范围的不同控制策略的最佳布局和尺寸问题。 MPC策略的目的是在满足所有电网约束的同时,最大化光伏(PV)利用率并最大程度降低本地居民区的电池退化。对于此案例研究,我们表明,使用基于MPC的存储控制策略时,电池存储的经济价值要高于使用启发式存储控制策略时的电池经济价值,因为MPC策略可显着利用预测信息的价值。通过在MPC策略中明确合并电池退化模型,可以进一步提高此方法的经济价值。

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