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Impact of Demand and Price Uncertainties on Customer-side Energy Storage System Operation with Peak Load Limitation

机译:需求和价格不确定性对峰值负载限制下的客户方储能系统运行的影响

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摘要

This article investigates customer-side energy storage system operations to minimize the electricity bill under a peak load limitation constraint and uncertain environments. Specifically, it is discussed how the demand and price uncertainties impact the system performance. It is shown that the energy storage system operation based on the Markov decision process with stochastic information has near-optimum performance, which is achieved by an iterative method with perfect information when the electricity price and demand are slightly varied. To address a problem, such as the failure of peak load reduction due to high uncertainties, two heuristic methodologies are suggested by modifying the peak load threshold and the charge/discharge reservation quantity. It is demonstrated that the proposed approach can effectively manage the uncertainties with marginal performance degradation.
机译:本文研究了客户侧储能系统的操作,以在峰值负载限制约束和不确定的环境下最大程度地减少电费。具体来说,讨论了需求和价格不确定性如何影响系统性能。结果表明,基于马尔可夫决策过程的具有随机信息的储能系统运行具有近乎最优的性能,这是通过在电价和需求略有变化的情况下通过具有完善信息的迭代方法来实现的。为了解决诸如由于高不确定性而导致的峰值负荷降低的失败之类的问题,通过修改峰值负荷阈值和充电/放电保留量,提出了两种启发式方法。结果表明,所提出的方法可以有效地管理不确定性,同时降低边际性能。

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