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arXiv 2602.08598eess.SYcs.SY
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通过有限信息的直接负荷控制降低住宅峰值负荷

Residential Peak Load Reduction via Direct Load Control under Limited Information

ETH Zurich(苏黎世联邦理工学院)

Katharina Kaiser, Gustavo Valverde, Gabriela Hug

AI总结:

本文提出了一种基于优化的控制方案,利用有限信息通过直接负荷控制降低住宅峰值负荷,实验显示其在夏季可实现接近理想控制器一半的峰值削减效果。

摘要:

恒温控制负荷和电动汽车提供了降低低压配电网功率峰值的灵活性。如果设备能够集中协调,并且在某些程度上了解受控设备的信息,这种灵活性可以被最大化。本文提出了一种新的基于优化的控制方案,具有预测能力,利用来自热泵、电热水器和电动汽车的有限信息。目的是通过限制可用灵活负荷运行的时间来平滑配电变压器看到的总负荷曲线,同时遵守负载的灵活性约束以保持客户的舒适度。原始方案在现实环境中进行了测试,考虑了冬夏两天的情况。试点结果证实了技术可行性,同时也为控制器的改进设计提供了信息。使用调整后的控制器进行的计算机模拟显示,与原始方案相比,改进的方案在夏季实现了更大的峰值削减。此外,还与一个理想控制器进行了比较,该控制器假设完美了解不可变负荷曲线、受控设备的模型、热水和空间供暖需求以及未来的电动汽车充电时段。所提出的有限信息方案实现了接近理想控制器在完美知识情况下所能达到的潜在平均每日峰值削减量的一半。

英文摘要:

Thermostatically controlled loads and electric vehicles offer flexibility to reduce power peaks in low-voltage distribution networks. This flexibility can be maximized if the devices are coordinated centrally, given some level of information about the controlled devices. In this paper, we propose novel optimization-based control schemes with prediction capabilities that utilize limited information from heat pumps, electric water heaters, and electric vehicles. The objective is to flatten the total load curve seen by the distribution transformer by restricting the times at which the available flexible loads are allowed to operate, subject to the flexibility constraints of the loads to preserve customers' comfort. The original scheme was tested in a real-world setup, considering both summer and winter days. The pilot results confirmed the technical feasibility but also informed the design of an improved version of the controller. Computer simulations using the adjusted controller show that, compared to the original formulation, the improved scheme achieves greater peak reductions in summer. Additionally, comparisons were made with an ideal controller, which assumes perfect knowledge of the inflexible load profile, the models of the controlled devices, the hot water and space heating demand, and future electric vehicle charging sessions. The proposed scheme with limited information achieves 43.3 % and 27.8 % of the potential average daily peak reduction that the ideal controller with perfect knowledge would achieve in summer and winter, respectively.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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