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In this article, we investigate mismatch of renewable electricity production to demand and how this is affected by flexibility options on the supply side. We assess the impact of spatial and temporal smoothing on reliability of production…

最优化与控制 · 数学 2023-12-15 Aleksander Grochowicz , Fred Espen Benth , Marianne Zeyringer

The large-scale integration of renewable generation directly affects the reliability of power grids. We investigate the problem of power balancing in a general renewable-integrated power grid with storage and flexible loads. We consider a…

系统与控制 · 计算机科学 2016-06-06 Sun Sun , Min Dong , Ben Liang

This paper proposes a method for generating typical scenarios based on system-level macroscopic characteristics of power system and considering its stability properties. First, considering uncertainties such as renewable energy generation…

系统与控制 · 电气工程与系统科学 2026-04-02 Tao Li , Chen Shen

In recent years, there has been a significant focus on advancing the next generation of power systems. Despite these efforts, persistent challenges revolve around addressing the operational impact of uncertainty on predicted data,…

最优化与控制 · 数学 2024-03-15 Hien Thanh Doan , Minsoo Kim , Keunju Song , Hongseok Kim

Dynamic scheduling problems are important optimisation problems with many real-world applications. Since in dynamic scheduling not all information is available at the start, such problems are usually solved by dispatching rules (DRs), which…

神经与进化计算 · 计算机科学 2022-03-29 Marko Đurasević , Lucija Planinić , Francisco Javier Gil Gala , Domagoj Jakobović

For the purpose of Monte Carlo scenario generation, we propose a graphical model for the joint distribution of wind power and electricity demand in a given region. To conform with the practice in the electric power industry, we assume that…

统计方法学 · 统计学 2021-11-30 René Carmona , Xinshuo Yang

With the increasing frequency of natural disasters, operators must prioritize improvements in the existing electric power grid infrastructure to enhance the resilience of the grid. Resilience to extreme weather events necessitates lowering…

系统与控制 · 电气工程与系统科学 2023-11-28 Abodh Poudyal , Shishir Lamichhane , Anamika Dubey , Josue Campos do Prado

To effectively enhance the integration of distributed and renewable energy sources in future smart microgrids, economical energy management accounting for the principal challenge of the variable and non-dispatchable renewables is…

最优化与控制 · 数学 2014-10-21 Gabriela Martinez , Yu Zhang , Georgios B. Giannakis

Resilience against major disasters is the most essential characteristic of future electrical distribution systems (EDS). A multi-agent-based rolling optimization method for EDS restoration scheduling is proposed in this paper. When a…

信号处理 · 电气工程与系统科学 2020-11-16 Donghan Feng , Fan Wu , Yun Zhou , Usama Rahman , Xiaojin Zhao , Chen Fang

Improving distribution grid reliability is a major challenge for planning and operation of distribution systems having a high share of distributed generators (DGs). The rise of DGs share can lead to unplanned contingencies while on the…

系统与控制 · 电气工程与系统科学 2020-04-23 Sohail Khan , Sawsan Henein , Helfried Brunner

Accurate power forecasting from renewable energy sources (RES) is crucial for integrating additional RES capacity into the power system and realizing sustainability goals. This work emphasizes the importance of integrating decentralized…

机器学习 · 计算机科学 2025-01-23 Carla Goncalves , Ricardo J. Bessa , Tiago Teixeira , Joao Vinagre

Renewable energy sources, such as wind and solar power, are increasingly being integrated into smart grid systems. However, when compared to traditional energy resources, the unpredictability of renewable energy generation poses significant…

系统与控制 · 电气工程与系统科学 2023-03-01 Arman Ghasemi , Amin Shojaeighadikolaei , Morteza Hashemi

Spatio-temporal problems exist in many areas of knowledge and disciplines ranging from biology to engineering and physics. However, solution strategies based on classical statistical techniques often fall short due to the large number of…

应用统计 · 统计学 2017-06-15 Emil B. Iversen , Rune Juhl , Jan K. Møller , Jan Kleissl , Henrik Madsen , Juan M. Morales

Accurate quantification of Gross Primary Production (GPP) is crucial for understanding terrestrial carbon dynamics. It represents the largest atmosphere-to-land CO$_2$ flux, especially significant for forests. Eddy Covariance (EC)…

To enable the transition from fossil fuels towards renewable energy, the low-voltage grid needs to be reinforced at a faster pace and on a larger scale than was historically the case. To efficiently plan reinforcements, one needs to…

应用统计 · 统计学 2024-11-11 J. Soenen , A. Yurtman , T. Becker , K. Vanthournout , H. Blockeel

This letter proposes a data-driven sparse polynomial chaos expansion-based surrogate model for the stochastic economic dispatch problem considering uncertainty from wind power. The proposed method can provide accurate estimations for the…

信号处理 · 电气工程与系统科学 2021-09-20 Xiaoting Wang , Rong-Peng Liu , Xiaozhe Wang , Yunhe Hou , François Bouffard

The increasing importance of solar power for electricity generation leads to an increasing demand for probabilistic forecasting of local and aggregated PV yields. In this paper we use an indirect modeling approach for hourly medium to long…

应用统计 · 统计学 2020-02-24 Alfred Müller , Matthias Reuber

The notion of Virtual Power Plant (VPP) has been used many times in last years in power systems and for several reasons. As a general trend, the behavior of a classic synchronous generator is to be emulated for a class of conventional grid…

系统与控制 · 电气工程与系统科学 2021-08-03 B. Marinescu , O. Gomis-Bellmunt , F. Dörfler , H. Schulte , L. Sigrist

The economic dispatch problem is considered for unbalanced three-phase power distribution networks entailing both non-deferrable and elastic loads, and distributed generation (DG) units. The objective is to minimize the costs of power drawn…

最优化与控制 · 数学 2012-11-27 Emiliano Dall'Anese , Georgios B. Giannakis , Bruce F. Wollenberg

The expansion of renewable energy could help realizing the goals of peaking carbon dioxide emissions and carbon neutralization. Some existing grid dispatching methods integrating short-term renewable energy prediction and reinforcement…

机器学习 · 计算机科学 2022-04-12 Xinhang Li , Zihao Li , Nan Yang , Zheng Yuan , Qinwen Wang , Yiying Yang , Yupeng Huang , Xuri Song , Lei Li , Lin Zhang