Now showing items 1-20 of 182

    • 10G MPLS Multiservice deployment proposal and validation 

      Diab, Hussein (Universitat Politècnica de Catalunya, 2017-06)
      Master thesis
      Restricted access - author's decision
      The 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 

      Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      In 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 

      Alabert Aldana, Aniol; Somoza Tornos, Ana; Hoz Casas, Jordi de la; Graells Sobré, Moisès (2016)
      Conference lecture
      Restricted access - publisher's policy
      Recently, 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 Generalized sequential AC/DC power flow algorithm for VSC MTDC system with series interline DC current flow controller 

      Anbuselvi, S.V.; Kumudini Devi, R.P.; Vallinayagam, A.S.; Vignesh, V.; Gomis Bellmunt, Oriol (Elsevier, 2022-08-01)
      Article
      Open Access
      In this paper, a generalized average model for various topologies of series interline power flow controller is developed and incorporated in AC/DC VSC MTDC power flow model. A new Newton Raphson based power flow formulation ...
    • A rolling horizon stochastic programming framework for the energy supply and demand management in microgrids 

      Silvente Saiz, Javier; Kopanos, Georgios M.; Espuña Camarasa, Antonio (2015)
      Article
      Restricted access - publisher's policy
      This 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 

      Rosas Casals, Martí; Valverde, Sergi; Solé, Ricard Vicenç (2018-02-22)
      Article
      Open Access
      In 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 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume (2013)
      Conference report
      Restricted access - publisher's policy
      This 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 

      Heredero Peris, Daniel; Chillón Antón, Cristian; Pagès Giménez, Marc; Montesinos Miracle, Daniel; Santamaria, Mikel; Rivas, David; Aguado, Monica (Multidisciplinary Digital Publishing Institute, 2018-09-22)
      Article
      Open Access
      Microgrid 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 

      Cano Castro, Ivan (Universitat Politècnica de Catalunya, 2020-10-23)
      Bachelor thesis
      Open Access
      Aquest 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 

      Plana Ollé, Pau (Universitat Politècnica de Catalunya, 2020-05-20)
      Bachelor thesis
      Open Access
      The 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 

      Martí Colom, Pau; Torres Martínez, Javier; Rosero Chandi, Carlos Xavier; Velasco García, Manel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2018-02-12)
      Article
      Open Access
      Local 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 

      Geyken, Claudio (Universitat Politècnica de Catalunya, 2014-10)
      Master thesis
      Open Access
      As 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 

      Chicharro I López, Pau (Universitat Politècnica de Catalunya, 2021-11-01)
      Bachelor thesis
      Restricted access - author's decision
      Aquest 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 ...
    • Anàlisi i disseny d'un equip de comunicació mitjançant la xarxa elèctrica 

      Rubió Solsona, Marc (Universitat Politècnica de Catalunya, 2021-07-06)
      Bachelor thesis
      Open Access
      Aquest treball de fi de grau, consisteix en l’anàlisi i el disseny d’un equip que es pugui comunicar a través de la xarxa elèctrica. L’equip està format per dos circuits, el circuit emissor, que és l’encarregat d’enviar ...
    • Anàlisis de xarxes elèctriques. Sistemes de potència. 

      Gili Selga, Albert (Universitat Politècnica de Catalunya, 2018-06-21)
      Bachelor thesis
      Open Access
      Les 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 

      Noriega La Torre, Kevin Fernando (Universitat Politècnica de Catalunya, 2021-05-19)
      Bachelor thesis
      Open Access
      L'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 

      Rodríguez Cortés, Pedro (Universitat Politècnica de Catalunya, 2005-02-24)
      Doctoral thesis
      Open Access
      Este 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 

      Prieto Rábano, Carlos - A. (Universitat Politècnica de Catalunya, 2015-11)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El 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 

      Herraiz Jaramillo, Sergio (Universitat Politècnica de Catalunya, 2002-07-03)
      Doctoral thesis
      Open Access
      La 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 

      Shaw, Candace Theresa (Universitat Politècnica de Catalunya, 2017-06-15)
      Master thesis
      Open Access
      Access 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 ...