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BESS-Sizing Optimization for Solar PV System Integration in Distribution Grid

机译：分布网格中太阳能光伏系统集成的僵化优化

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摘要

Although renewable energies are beneficial to reduce carbon emissions, its intermittent characteristics may result in power-supply issues in distribution grid. Battery energy storage system (BESS) is generally regarded as an effective tool to deal with these problems. However, the development of BESS is limited due to its high capital cost. This paper proposes an optimization method for sizing and scheduling BESS and smart inverter (SI) of photovoltaic (PV) system. Scheduling optimization of related facilities is taken into account to ensure PV system owner’s investment returns and assist distribution system operator (DSO) to adjust the voltages. Besides, different electricity tariffs are compared to discuss their impacts on BESS investment. In the proposed method, the sizing and scheduling optimizations are coupled with thus increased dimension and complexity of the optimization problem. A revised electrons drifting algorithm (e-DA) is proposed and applied to the proposed optimization problem for improving the performance of method. The proposed method provides an incentive way to encourage PV system owners to invest BESS voluntarily, which not only raises the operational profits of PV system owner, but also improves power-supply quality of distribution system.
机译：虽然可再生能源有利于降低碳排放，但其间歇性的特性可能导致分配网格中的电源问题。电池储能系统（BESS）通常被认为是处理这些问题的有效工具。然而，由于其高资本成本，BESS的发展受到限制。本文提出了一种用于光伏（PV）系统的尺寸和调度沸腾和智能逆变器（SI）的优化方法。考虑计划优化相关设施的优化，以确保光伏系统所有者的投资回报和协助分配系统运营商（DSO）调整电压。此外，比较不同的电力关税，以讨论它们对博尔斯投资的影响。在所提出的方法中，尺寸和调度优化耦合，因此提高了优化问题的维度和复杂性。提出了一种修改的电子漂移算法（E-DA）并应用于提高方法性能的所提出的优化问题。该方法提供了一种激励PV系统所有者自愿投资BESS的激励方式，这不仅提高了光伏系统所有者的运营利润，而且还提高了分销系统的供电质量。

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