Now showing items 1-20 of 136

    • 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 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 ...
    • 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, 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 ...
    • Anàlisis de xarxes elèctriques. Sistemes de potència. 

      Gili Selga, Albert (Universitat Politècnica de Catalunya, 2018-06-21)
      Bachelor thesis
      Open Access
      El treball tracta de dues xarxes elèctriques que presenten una sèrie de problemes diferents. Es basarà en realitzar un anàlisis per a la identificació d?aquests com neutralitzar-los i si seria viable fer-ho.
    • 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 ...
    • 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 ...
    • Avaluació de diferents opcions per augmentar la integració a la xarxa elèctrica d’electricitat d’origen renovable 

      Prats Darne, Cristina (Universitat Politècnica de Catalunya, 2019-07-01)
      Bachelor thesis
      Open Access
      L’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 

      Kassing, Philipp; Sumper, Andreas; Mueller, Thaddaeus; Heisswolf, Max (2017)
      Conference report
      Restricted access - publisher's policy
      The 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 ...
    • Benchmarking energy performance of commercial real estate buildings 

      Arvelo Aquino, Alan (Universitat Politècnica de Catalunya, 2018-09-17)
      Master thesis
      Restricted access - confidentiality agreement
    • Cálculo de líneas y redes eléctricas 

      Mujal-Rosas, Ramon Maria (Edicions UPC, 2002)
      Book
      Open Access
      Con este libro se intenta ofrecer en una sola obra un compendio teórico sobre líneas y redes eléctricas y, al mismo tiempo, una extensa colección de problemas tanto resueltos como propuestos, referentes al cálculo de las ...
    • Cálculo de líneas y redes eléctricas 

      Mujal-Rosas, Ramon Maria (Iniciativa Digital Politècnica, 2013)
      Book
      Open Access
      Con este libro se intenta ofrecer en una sola obra un compendio teórico sobre líneas y redes eléctricas y, al mismo tiempo, una extensa colección de problemas tanto resueltos como propuestos, referentes al cálculo de las ...
    • Communication-aware consensus for frequency restoration in islanded microgrids 

      Martí Colom, Pau; Velasco García, Manel; Martín Rull, Enric Xavier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      MicroGrids (MGs) include spatially distributed generation (DG) systems and loads that may require operating autonomously in islanded mode. The operation of islanded MGs can benefit from consensus theory and practice, ...
    • Connexió d'un convertidor trifàsic a una xarxa elèctrica desequilibrada 

      Xixons Armengou, Aleix (Universitat Politècnica de Catalunya, 2016-09-05)
      Master thesis
      Open Access
      Els convertidors han esdevingut un component clau en la integració de la generació distribuïda a la xarxa elèctrica. Des de fa anys, el seu ús és un fet inqüestionable i tenen un bon funcionament en una xarxa elèctrica ...