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The use of renewable energy sources is a major strategy to mitigate climate change. Yet Sinn (2017) argues that excessive electrical storage requirements limit the further expansion of variable wind and solar energy. We question, and alter,…

物理与社会 · 物理学 2018-07-19 Alexander Zerrahn , Wolf-Peter Schill , Claudia Kemfert

This paper presents an analytical method for calculating the operational value of an energy storage device under multi-stage price uncertainties. Our solution calculates the storage value function from price distribution functions directly…

最优化与控制 · 数学 2024-03-29 Bolun Xu , Audun Botterud , Magnus Korpas

Training on class-imbalanced data usually results in biased models that tend to predict samples into the majority classes, which is a common and notorious problem. From the perspective of energy-based model, we demonstrate that the free…

机器学习 · 计算机科学 2021-06-08 Bowen Zhao , Chen Chen , Qi Ju , ShuTao Xia

Seasonal climate variations affect electricity demand, which in turn affects month-to-month electricity planning and operations. Electricity system planning at the monthly timescale can be improved by adapting climate forecasts to estimate…

系统与控制 · 电气工程与系统科学 2019-11-12 A. R. de Queiroz , D. Mulcahy , A. Sankarasubramanian , J. P. Deane , G. Mahinthakumar , N. Lu , J. F. DeCarolis

This paper proposes a convex non-linear cost saving model for optimal economic dispatch in a microgrid. The mod-el incorporates energy storage degradation cost and intermittent renewable generation. Cell degradation cost being a non-linear…

信号处理 · 电气工程与系统科学 2018-04-17 Vikram Bhattacharjee , Irfan Khan

In response to the increasing deployment of battery storage systems for cost reduction and grid stress mitigation, this study presents the development of a new real-time Markov decision process model to efficiently schedule battery systems…

系统与控制 · 电气工程与系统科学 2024-09-17 Hussein Sharadga , Ahmad Dawahdeh , Golbon Zakeri , Abdullah Hayajneh , Geoff Pritchard

This article proposes a fundamental methodological shift in the modelling of policy interventions for sustainability transitions in order to account for complexity (e.g. self-reinforcing mechanism arising from multi-agent interactions) and…

物理与社会 · 物理学 2016-03-23 J. -F. Mercure , H. Pollitt , A. M. Bassi , J. E Viñuales , N. R. Edwards

To reduce computational complexity, macro-energy system models commonly implement reduced time-series data. For renewable energy systems dependent on seasonal storage and characterized by intermittent renewables, like wind and solar,…

综合经济学 · 经济学 2022-12-21 Leonard Göke , Mario Kendziorski

We study risk-aware linear policy approximations for the optimal operation of an energy system with stochastic wind power, storage, and limited fuel. The resulting problem is a sequential decision-making problem with rolling forecasts. In…

系统与控制 · 电气工程与系统科学 2024-07-19 Thomas Mortimer , Robert Mieth

Diffusion models are highly effective at generating high-quality images but pose risks, such as the unintentional generation of NSFW (not safe for work) content. Although various techniques have been proposed to mitigate unwanted influences…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Jing Wu , Trung Le , Munawar Hayat , Mehrtash Harandi

The rapid expansion of wind and solar energy leads to an increasing volatility in the electricity generation. Previous studies have shown that storage devices provide an opportunity to balance fluctuations in the power grid. An economical…

最优化与控制 · 数学 2017-11-06 Lars Siemer , Wided Medjroubi

The interdependence of electricity and natural gas markets is becoming a major topic in energy research. Integrated energy models are used to assist decision-making for businesses and policymakers addressing challenges of energy transition…

综合金融 · 定量金融 2020-09-11 Iegor Riepin , Thomas Möbius , Felix Müsgens

Batteries are nonlinear dynamical systems that can be modeled by Porous Electrode Theory models. The aim of optimal fast charging is to reduce the charging time while keeping battery degradation low. Most past studies assume that model…

系统与控制 · 电气工程与系统科学 2024-10-14 Minsu Kim , Joachim Schaeffer , Marc D. Berliner , Berta Pedret Sagnier , Rolf Findeisen , Richard D. Braatz

We study the optimal control of battery energy storage under a general "pay-for-performance" setup such as providing frequency regulation and renewable integration. In these settings, batteries need to carefully balance the trade-off…

最优化与控制 · 数学 2018-07-31 Yuanyuan Shi , Bolun Xu , Yushi Tan , Daniel Kirschen , Baosen Zhang

Model-based process simulation can be used to derive designs and operating conditions of chemical processes that optimally balance multiple objectives, such as quality, costs, or environmental impacts. This work focuses on identifying…

Energy storage devices, such as batteries, thermal energy storages, and hydrogen systems, can help mitigate climate change by ensuring a more stable and sustainable power supply. To maximize the effectiveness of such energy storage,…

机器学习 · 计算机科学 2024-05-21 Jaeik Jeong , Tai-Yeon Ku , Wan-Ki Park

This paper proposes a simple and flexible storage model for use in a variety of multi-period optimal power flow problems. The proposed model is designed for research use in a broad assortment of contexts enabled by the following key…

系统与控制 · 电气工程与系统科学 2020-05-01 Frederik Geth , Carleton Coffrin , David M Fobes

Estimating the free energy in molecular simulation requires, implicitly or explicitly, counting how many times the system is observed in a finite region. If the simulation is biased by an external potential, the weight of the configurations…

化学物理 · 物理学 2021-12-22 Matteo Carli , Alessandro Laio

The increase in non-renewable energy consumption and CO2 emissions, especially in the manufacturing sector, is moving radical shifts in energy supply policies and production models. Renewable energy integration and regulated pricing…

A vital aspect in energy storage planning and operation is to accurately model its operational cost, which mainly comes from the battery cell degradation. Battery degradation can be viewed as a complex material fatigue process that based on…

最优化与控制 · 数学 2017-04-07 Yuanyuan Shi , Bolun Xu , Yushi Tan , Baosen Zhang