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Discussion and Commentary on “Robust scheduling of multi-chiller system with chilled-water storage under hourly electricity pricing” in “Energy and Buildings” 218 (2020) 110058
Energy and Buildings ( IF 6.7 ) Pub Date : 2021-09-09 , DOI: 10.1016/j.enbuild.2021.111445
Ying Xue 1 , Li Ge 2 , Zhao Xue 3
Affiliation  

A discussion of the “Robust scheduling of multi-chiller system with chilled-water storage under hourly electricity pricing” by Milad Sadat-Mohammadi et al. “Energy and Buildings” 218 (2020) 110058 is presented in this brief communication. A robust strategy for scheduling multi-chiller systems with chilled-water storage is provided in the mentioned work. The authors have discussed and presented the results for the optimal chiller loading considering the cooling load uncertainty in risk-neutral, risk-taker, and risk-averse strategies based on robust optimization method. RO takes a worst-case strategy to avoid ambiguity in probability distributions. Their proposed model (i.e., RO method), on the other hand, never can model risk-taking strategy in modeling the uncertainty of parameters that is cooling load in this study. Info-gap decision theory (IGDT) has a different formulation, which is an approach that deals with risk-neutral, risk-taker, and risk-averse strategies, which is formulated in this commentary. A clarification of the problem formulation and proper modeling of the problem are offered in this regard to attain the correct modeling of uncertain cooling load in energy systems. Also, based on the proposed formulation of the robust optimization approach, the assumption and simulation results achieved by their suggested model are analyzed and discussed.



中文翻译:

《能源与建筑》218(2020)110058《按小时电价电价下多冷水机系统的鲁棒性调度》讨论与评述

Milad Sadat-Mohammadi 等人对“在每小时电价下具有冷冻水存储的多冷却器系统的稳健调度”的讨论。“能源与建筑” 218 (2020) 110058 在这份简短的通讯中介绍。在上述工作中提供了一种用于调度具有冷冻水存储的多冷却器系统的稳健策略。作者讨论并展示了基于稳健优化方法的风险中性、风险承担者和风险规避策略中考虑到冷负荷不确定性的最佳冷水机组负荷的结果。RO 采用最坏情况策略来避免概率分布中的歧义。另一方面,他们提出的模型(即 RO 方法)在建模本研究中冷却负荷参数的不确定性时永远无法建模风险承担策略。信息差距决策理论 (IGDT) 有一个不同的表述,这是一种处理风险中性、风险承担者和风险规避策略的方法,在本评论中表述。在这方面提供了问题表述的澄清和问题的适当建模,以获得能源系统中不确定冷却负载的正确建模。此外,基于鲁棒优化方法的建议公式,分析和讨论了他们建议的模型所实现的假设和仿真结果。在这方面提供了问题表述的澄清和问题的适当建模,以获得能源系统中不确定冷却负载的正确建模。此外,基于鲁棒优化方法的建议公式,分析和讨论了他们建议的模型所实现的假设和仿真结果。在这方面提供了问题表述的澄清和问题的适当建模,以获得能源系统中不确定冷却负载的正确建模。此外,基于鲁棒优化方法的建议公式,分析和讨论了他们建议的模型所实现的假设和仿真结果。

更新日期:2021-09-20
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