Browsing by Subject "Energia--Emmagatzematge"
Now showing items 1-20 of 21
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A systemic approach to investigate the gaps between distribution system operators need and technology developers’ perception—A case study of an intelligent low-voltage grid management system with storage
(Multidisciplinary Digital Publishing Institute, 2021-06-09)
Article
Open AccessThe purpose of the paper is to introduce a new bi-directional approach to assess the gapbetween the customer needs and technology developers’ perception on the value propositions ofinnovations which includes storages. The ... -
Capacitor voltage balancing in a three-level-converter-based energy storage system
(2013-10-01)
Article
Restricted access - publisher's policyThis paper discusses a grid-connected energy storage system based on two three-level (3L) converters: a DC-DC one and a neutral-point-clamped inverter. When compared to a system using standard two-level converters, the ... -
Coherent vorticity extraction in resistive drift-wave turbulence: Comparison of orthogonal wavelets versus proper orthogonal decomposition
(2011-03)
Article
Open AccessWe assess two techniques for extracting coherent vortices out of turbulent flows: the wavelet based Coherent Vorticity Extraction (CVE) and the Proper Orthogonal Decomposition (POD). The former decomposes the flow field ... -
Comparative life cycle assessment of different lithium-ion battery chemistries and lead-acid batteries for grid storage application
(Universitat Politècnica de Catalunya, 2021-11-08)
Master thesis
Restricted access - confidentiality agreement
Covenantee: KTH School of Industrial Engineering and Management -
Competitiveness in power systemfrequency regulation markets
(Universitat Politècnica de Catalunya, 2021-11-08)
Master thesis
Open Access
Covenantee: KTH School of Industrial Engineering and ManagementThe growing share of weather-dependent power generation in the Swedish power system is challenging the stability of the whole system. Therefore, the need to increase system flexibility by frequency regulation reserves is ... -
Control of a flywheel energy storage system for power smoothing in wind power plants
(2014-03-01)
Article
Open AccessThis paper deals with the design and the experimental validation in scale-lab test benches of an energy management algorithm based on feedback control techniques for a flywheel energy storage device. The aim of the flywheel ... -
Control strategies for combining local energy storage with wells turbine oscillating water column devices
(2015-11-01)
Article
Open Access -
Design and calculations of a thermal solar installation in a studenthall
(2007-07)
Master thesis (pre-Bologna period)
Restricted access - author's decision
Covenantee: Hochschule Aalen -
Emmagatzematge energètic a nivell d’usuari: estudi de viabilitat de l'ús d'emmagatzematge energètic a nivell d'usuari.
(Universitat Politècnica de Catalunya, 2015-10-30)
Bachelor thesis
Restricted access - author's decision -
Entropy generation model to estimate battery ageing
(Elsevier, 2020-12)
Article
Restricted access - publisher's policyDetermining battery ageing is a key issue in predicting the available charge in battery-operated systems. Beyond the common use of voltage or current measurements, which have proved unsuccessful as general methods, we aim ... -
Estudio técnico y de mercado de Wiser Energy Center
(Universitat Politècnica de Catalunya, 2021-07-06)
Bachelor thesis
Open Access
Covenantee: Schneider Electric España S.A.UAquest projecte inclou l’estudi tècnic i de mercat previ al llançament de la solució Wiser Energy Center, de Schneider Electric, a Espanya. Conjuntament, s’ha realitzat una eina de càlcul pel dimensionat de l’ecosistema ... -
Free-standing, flexible nanofeatured polymeric films prepared by spin-coating and anodic polymerization as electrodes for supercapacitors
(2021-07-02)
Article
Open AccessFlexible and self-standing multilayered films made of nanoperforated poly(lactic acid) (PLA) layers separated by anodically polymerized poly(3,4-ethylenedioxythiophene) (PEDOT) conducting layers have been prepared and used ... -
Impact of PT loading on proton exchange membrane hydrogen fuel cells performance
(Universitat Politècnica de Catalunya, 2018)
Master thesis
Open Access
Covenantee: University of AlbertaWith increasing use of renewable energies, such as photovoltaic, wind, biomass, thermosolar, geologic, appeared the challenge of the storage. If it is talking about the mobile devises, it is easy to see that it is necessary ... -
Macroporous silicon for high-capacitance devices using metal electrodes
(2014-09-05)
Article
Open AccessIn this paper, high-capacity energy storage devices based on macroporous silicon are demonstrated. Small footprint devices with large specific capacitances up to 100 nF/mm(2), and an absolute capacitance above 15 mu F, ... -
Numerical evaluation of multi-layered solid-PCM thermocline-like tanks as thermal energy storage systems for CSP applications
(2015-05)
Article
Open AccessThe two-tank system is the technology used for thermal energy storage (TES) in current concentrating solar power (CSP) plants. Thermocline storage concept has been considered for more than a decade as a possible solution ... -
Optimización económica de un sistema doméstico de generación y almacenamiento de energía
(Universitat Politècnica de Catalunya, 2018-06-21)
Bachelor thesis
Open AccessEste proyecto consiste en el estudio de la viabilidad económica de las instalaciones fotovoltaicas domésticas de autoconsumo en Barcelona. Es decir, en este proyecto se estudiará la rentabilidad de instalar, en una vivienda ... -
Optimizing energy market participation with batteries
(Universitat Politècnica de Catalunya, 2021-10-27)
Master thesis
Restricted access - author's decision
Covenantee: i.LECODue to the fact that the energy sector is in transition, there are goals for lowering the energy cost with the use of renewables and batteries. This presents challenges to the system and the solution is the issuing of ... -
Parametric study of two-tank TES systems for CSP plants
(2015-05)
Article
Open AccessThe two-tank thermal energy storage (TES) system is the most used technology for storage in concentrating solar power (CSP) plants. This work focuses on a parametric study, which aims to identify the most important parameters ... -
RESOLVD: ICT services and energy storage for increasing renewable hosting capacity in LV distribution grids
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Open AccessThis article presents the H2020 project RESOLVD (Renewable Penetration Levered by Efficient Low Voltage Distribution Grids). The purpose of this project is to improve the efficiency of distribution networks at the same ... -
Short and mid term energy storage technologies for the grid integration of wind parks
(Universitat Politècnica de Catalunya, 2018-06-21)
Master thesis
Open AccessThis project deals with the inclusion of energy storage systems in a wind park for the provision of ancillary services and the promotion of renewables' grid integration. The project proposes the association of an energy ...
