Publications associées à Production pilotable d'électricité

Perspective Alkaline electrolyzers: Powering industries and overcoming fundamental challenges

For the sustainable development of the renewable hydrogen sector, alkaline electrolysis appears to be a technology of choice. Nevertheless, despite its long history that showed its reliability in the industrial field and despite the traditional belief from ...

Cell Press2024

Frequency Regulation with Storage: On Losses and Profits

Daniel Kuhn, François Richard Vuille, Dirk Lauinger

Low-carbon societies will need to store vast amounts of electricity to balance intermittent generation from wind and solar energy, for example, through frequency regulation. Here, we derive an analytical solution to the decision-making problem of storage o ...

2024

Dispatch-aware Optimal Planning of Active Distribution Networks including Energy Storage Systems

Ji Hyun Yi

The thesis develops a planning framework for ADNs to achieve their dispatchability by means of ESS allocation while ensuring a reliable and secure operation of ADNs. Second, the framework is extended to include grid reinforcements and ESSs planning. Finall ...

EPFL2023

Design and management of three-dimensional multi-processor systems-on-chip with integrated flow cell arrays

Halima Najibi

Three-Dimensional Multi-Processor Systems-on-Chip (3D MPSoCs) are promising solutions for highly intensive Artificial Intelligence (AI) and Big Data applications. They combine remarkably dense computation capabilities and massive communication bandwidths. ...

EPFL2022

Optimized market value of alpine solar photovoltaic installations

Jérôme François Sylvain Dujardin, Annelen Kahl

Solar photovoltaic (PV) is the most rapidly expanding renewable resource worldwide. Yet, its full potential may be hindered by mismatches with market demand and correlated production profiles. In this research, we explore a case study of innovative PV plac ...

Pergamon-Elsevier Science Ltd2022

Gold-in-copper at low *CO coverage enables efficient electromethanation of CO2

Michael Graetzel, Dan Ren, Yang Li, Jun Li, Yongfeng Xie, Xiaoyan Wang, Yiping Wang, Ziyun Wang, Pengfei Ou, Yi Xu

The renewable-electricity-powered CO2 electroreduction reaction provides a promising means to store intermittent renewable energy in the form of valuable chemicals and dispatchable fuels. Renewable methane produced using CO2 electroreduction attracts inter ...

Nature Research2021

Urban cells: Extending the energy hub concept to facilitate sector and spatial coupling

Kavan Javanroodi, Amarasinghage Tharindu Dasun Perera, Yi Wang

The rapid growth of urban areas and concerns over climate change make it vital to improve the energy sustainability of cities. Understanding the complex interactions within different sectors (sectoral) and localities (spatial) of cities plays a crucial rol ...

2021

Bayesian Methods for the Identification of Distribution Networks

Giancarlo Ferrari Trecate, Jean-Sébastien Hubert Brouillon, Pulkit Nahata

The increasing integration of intermittent renewable generation, especially at the distribution level, necessitates advanced planning and optimisation methodologies contingent on the knowledge of the admittance matrix, capturing the topology and line param ...

IEEE2021

Siting and Sizing of Energy Storage Systems: Towards a Unified Approach for Transmission and Distribution System Operators for Reserve Provision and Grid Support

Mario Paolone, Fabrizio Sossan, Paola Pongiglione

This paper presents a method to determine the optimal location, energy capacity, and power rating of distributed battery energy storage systems at multiple voltage levels to accomplish grid control and reserve provision. We model operational scenarios at a ...

Elsevier2020

Optimal integration of sustainable multi-energy systems in districts

François Maréchal, Paul Michael Stadler

The integration of renewable energy sources within the built environment is a compelling challenge to tackle. With the recent climate targets aiming at a carbon neutral energy supply by the mid-century, a modern building energy system (BES) should maximize ...

ECOS 2020 Organizing Committee2020

Optimal Allocation of ESSs in Active Distribution Networks to achieve their Dispatchability

Mario Paolone, Sidi-Rachid Cherkaoui, Ji Hyun Yi

This paper presents a method for the optimal siting and sizing of energy storage systems (ESSs) in active distribution networks (ADNs) to achieve their dispatchability. The problem formulation accounts for the uncertainty inherent to the stochastic nature ...

IEEE Institute of Electrical and Electronics Engineers2020

Aspects of the energy transition and their effects on power systems

Laurent Vincent Pagnier

Most European countries are committed to an energy transition which consists in the substitution of conventional CO2 emitting energy sources by new renewable energy sources (RES), in particular wind and solar power. As opposed to conventional energy source ...

EPFL2019

Hydropower Plants Frequency Regulation Depending on Upper Reservoir Water Level

Philippe Allenbach, Christophe Nicolet

This paper presents a novel method of hydro power plant operation, based on the control of the injectors’ or wicked gates opening time as a function of the upper reservoir level. In this way, a faster power injection, depending on the current water level o ...

2019

Microgrid Stability Definitions, Analysis, and Examples

Mario Paolone

This document is a summary of a report prepared by the IEEE PES Task Force (TF) on Microgrid Stability Definitions, Analysis, and Modeling \cite{task}, which defines concepts and identifies relevant issues related to stability in microgrids. In this paper, ...

IEEE Institute of Electrical and Electronics Engineers2019

Viability limits of the renewable source in an electricity mix: The MIXOPTIM analysis methodology

Axel Guy Marie Laureau, Elsa Merle

In this article, we use a spectral and statistical analysis of load fluctuations to calculate plausible conditions that an electricity mix of power sources must satisfy to fulfill a variable power demand on a territory. These criteria can be applied to ele ...

SPRINGER HEIDELBERG2019

A Design Framework for Thermal-Aware Power Delivery Network in 3D MPSoCs with Integrated Flow Cell Arrays

Marina Zapater Sancho, Alexandre Sébastien Julien Levisse, Halima Najibi

Integrated Flow Cell Array (FCA) technology promises to address the power delivery and heat dissipation challenges in three-dimensional Multi Processor Systems-on-Chips (3D MPSoCs) by providing combined inter-tier liquid cooling and power generation capabi ...

2019

An Econometric Model of the Regulating Power Price for Interconnected Power Systems: the case of the Nord Pool Market

Mario Paolone, Fabrizio Sossan, Mokhtar Bozorg

Transmission System Operators (TSOs) deploy frequency control reserves and regulating power to maintain the load-generation balance in real-time operation of power systems. In the Nordic countries, the TSOs buy regulating power from the Nord Pool regulatin ...

IEEE2018

Control of Battery Storage Systems for the Simultaneous Provision of Multiple Services

Mario Paolone, Emil Namor, Fabrizio Sossan

In this paper, we propose a control framework for a battery energy storage system to provide simultaneously multiple services to the electrical grid. The objective is to maximise the battery exploitation from these services in the presence of uncertainty ( ...

2018

Electrical hubs: An effective way to integrate non-dispatchable renewable energy sources with minimum impact to the grid

Jean-Louis Scartezzini, Dasaraden Mauree, Amarasinghage Tharindu Dasun Perera, Vahid Moussavi Nik

A paradigm change in energy system design tools, energy market, and energy policy is required to attain the target levels in renewable energy integration and in minimizing pollutant emissions in power generation. Integrating non-dispatchable renewable ener ...

Elsevier Sci Ltd2017

Locating multi energy systems for a neighborhood in Geneva using K-means clustering

Jean-Louis Scartezzini, Amarasinghage Tharindu Dasun Perera, Dasaraden Mauree

To determine the optimum location for non dispatchable renewable energy systems, this study comes up with an integrated tool to place energy systems considering distributed energy demand and renewable energy potential. The Citysim urban energy planning sof ...

Elsevier2017