Browsing by Subject "Xarxes elèctriques"
Now showing items 1-20 of 158
-
10G MPLS Multiservice deployment proposal and validation
(Universitat Politècnica de Catalunya, 2017-06)
Master thesis
Restricted access - author's decisionThe project is carried out at the department of P&C (Projects and Consulting) of the company Acuntia in order to design and implement a 10G MPLS multiservice network for a potential customer in Barcelona whose identity ... -
A control strategy for DC-link voltage control containing PV generation and energy storage — An intelligent approach
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyIn this paper, DC-link voltage control in DC microgrids with photovoltaic (PV) generation and battery, is addressed based on an intelligent approach. The proposed strategy is based on the modeling of the power interface, ... -
A general MILP model for the sizing of islanded/grid-connected microgrids
(2016)
Conference lecture
Restricted access - publisher's policyRecently, energy systems have experienced a change of paradigm, from a large-scale centr alized approach to the in-situ exploitation of renewabl e sources. Special atte ntion has been paid to microgrids, a particular case ... -
A rolling horizon stochastic programming framework for the energy supply and demand management in microgrids
(2015)
Article
Restricted access - publisher's policyThis work proposes a discrete-time Mixed Integer Linear Programming (MILP) formulation based on a combined rolling horizon and stochastic programming approach for the simultaneous management of energy supply and demand in ... -
A simple spatiotemporal evolution model of a transmission power grid
(2018-02-22)
Article
Open AccessIn this paper, we present a model for the spatial and temporal evolution of a particularly large human-made network: the 400-kV French transmission power grid. This is based on 1) an attachment procedure that diminishes ... -
Active damping control for a three phase grid-connected inverter using sliding mode control
(2013)
Conference report
Restricted access - publisher's policyThis paper proposes a ne w active damping method based on virtual resistors for three-phase grid connected voltage source inverters (VSI) with LCL filter. The use of this filters is a standard solution to provide the ... -
An enhancing fault current limitation hybrid droop/V-f control for grid-tied four-wire inverters in AC microgrids
(Multidisciplinary Digital Publishing Institute, 2018-09-22)
Article
Open AccessMicrogrid integration and fault protection in complex network scenarios is a coming challenge to be faced with new strategies and solutions. In this context of increasing complexity, this paper describes two specific ... -
Analizador de redes trifásicas
(Universitat Politècnica de Catalunya, 2020-10-23)
Bachelor thesis
Open AccessAquest treball final de grau té com a objectiu el disseny i la programació d'un prototip d'analitzador de xarxes elèctriques trifàsiques de tres fils amb neutre, capaç de mesurar paràmetres elèctrics com els corrents i ... -
Analysis of measures to increment the share of renewable energy in distribution grids
(Universitat Politècnica de Catalunya, 2020-05-20)
Bachelor thesis
Open AccessThe actual power system is undergoing a period of transformation. The introduction of renewable energy power parks in the grid started the transition from a high voltage connected generation model towards a model where ... -
Analysis of the effect of clock drifts on frequency regulation and power sharing in inverter-based islanded microgrids
(2018-02-12)
Article
Open AccessLocal hardware clocks in physically distributed computation devices hardly ever agree because clocks drift apart and the drift can be different for each device. This paper analyses the effect that local clock drifts have ... -
Analysis to achieve a high penetration of renewable energies in MW-scale electricity Microgrids with the case study of an island in the Pacific
(Universitat Politècnica de Catalunya, 2014-10)
Master thesis
Open AccessAs the penetration of intermittent renewable energies consumed in MW-scale electrical grids becomes high, in many countries reaching more than 25 % per year, the need for control, stabilization and storage methods to ... -
Anàlisi de les diferents opcions de microxarxes elèctriques aïllades a partir de fonts renovables
(Universitat Politècnica de Catalunya, 2021-11-01)
Bachelor thesis
Restricted access - author's decisionAquest projecte té com a objectiu principal estudiar les diferents opcions de microxarxes elèctriques a partir de fonts renovables. L’estudi se centra en la infraestructura pública del municipi d’Alp. Actualment, l’ajuntament ... -
Anàlisis de xarxes elèctriques. Sistemes de potència.
(Universitat Politècnica de Catalunya, 2018-06-21)
Bachelor thesis
Open AccessLes xarxes elèctriques són sistemes que es caracteritzen per la seva facilitat en presentar problemes relacionats amb la qualitat del subministrament i la mitigació d’aquests no és quelcom trivial L’objectiu del projecte ... -
Análisis modal rápido de resonancias en redes eléctricas
(Universitat Politècnica de Catalunya, 2021-05-19)
Bachelor thesis
Open AccessL'objectiu d'aquest TFG és proposar un mètode numèric per reduir el temps invertit per l'ordinador en l'aplicació de l'anàlisi modal de ressonàncies a xarxes elèctriques. Per a això se seguirà el procediment descrit a ... -
Aportaciones a los acondicionadores activos de corriente en derivación para redes trifásicas de cuatro hilos
(Universitat Politècnica de Catalunya, 2005-02-24)
Doctoral thesis
Open AccessEste trabajo se dedica a la búsqueda de soluciones que permitan mejorar el comportamiento de los filtros activos de potencia en derivación que trabajan en redes trifásicas de cuatro hilos, incluso cuando se den condiciones ... -
Aportaciones al desarrollo de herramientas para la optimización del dimensionamiento de microredes con Energías Renovables
(Universitat Politècnica de Catalunya, 2015-11)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEl origen del proyecto se sitúa en una oferta de trabajos académicos relacionados con la generación polienergética en microredes con energías renovables, del Cepima de la UPC. El proyecto representa la continuación de ... -
Aportaciones al estudio del flujo armónico de cargas
(Universitat Politècnica de Catalunya, 2002-07-03)
Doctoral thesis
Open AccessLa distorsión armónica no es un fenómeno nuevo en los sistemas eléctricos de potencia, pero desde principios de los años setenta se ha convertido en un problema de creciente actualidad debido al incremento considerable de ... -
Assessing Feasibility of Fostering Productive Energy Use of Swarm Electrified Microgrids in Rural Communities in Developing Countries
(Universitat Politècnica de Catalunya, 2017-06-15)
Master thesis
Open AccessAccess to affordable sustainable energy is critical for socio-economic human development. Energy poverty is most predominant for populations in rural areas of developing countries, typically the global south. Successful ... -
Avaluació de diferents opcions per augmentar la integració a la xarxa elèctrica d’electricitat d’origen renovable
(Universitat Politècnica de Catalunya, 2019-07-01)
Bachelor thesis
Open AccessL’objecte del present d’energia renovables treball consisteix en l’estudi de la integració a gran escala de fonts (eòlica i solar) en la xarxa elèctrica. Això representa un ... -
Battery storage systems feasibility study for revenue models in Germany
(2017)
Conference report
Restricted access - publisher's policyThe German Energy Transition puts enormous pressure on the existing grid operation and planning. At the same time, battery technology is developing rapidly and has the potential to reduce stress on the grid and increase ...
