Ara es mostren els items 51-70 de 107

    • La superconductividad: un potencial muy atractivo 

      Lloret Gallego, Pau; Molas Balada, Lluís; Villafafila Robles, Roberto; Sudrià Andreu, Antoni; Rull Duran, Joan; Sumper, Andreas (Grupo Tecnipublicaciones, 2008-02)
      Article
      Accés restringit per política de l'editorial
      La superconductividad es la capacidad que poseen ciertos materiales de presentar una resistencia al paso de la electricidad prácticamente nula en determinadas condiciones. Así, las pérdidas de energía son cercanas a cero, ...
    • Local flexibility market design for aggregators providing multiple flexibility services at distribution network level 

      Olivella Rosell, Pol; Lloret Gallego, Pau; Villafafila Robles, Roberto; Sumper, Andreas; Ottesen, Stig Odegaard; Rajasekharan, Jayaprakash; Bremdal, Bernt (2018-04-02)
      Article
      Accés obert
      This paper presents a general description of local flexibility markets as a market-based management mechanism for aggregators. The high penetration of distributed energy resources introduces new flexibility services like ...
    • Local performance of the smart rural grid through the local energy management system 

      Girbau Llistuella, Francesc; Sumper, Andreas; Díaz González, Francisco; Sudrià Andreu, Antoni; Gallart, R (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper aims to detail and illustrate the operation of the LEMS during the grid-connected and grid-disconnected mode of the Smart Rural Grid (SRG) project. The SRG project is focused on DSO’s capabilities to increase ...
    • Maximum wind power plant generation by reducing the wake effect 

      Prada Gil, Mikel de; Guillen Alias, Cesar; Gomis Bellmunt, Oriol; Sumper, Andreas (2015-09-01)
      Article
      Accés obert
      This paper analyses, from a steady state point of view, the potential benefit of a Wind Power Plant (WPP) control strategy whose main objective is to maximise its total energy yield over its lifetime by taking into ...
    • Measuring urban energy sustainability and its application to two Spanish cities: Malaga and Barcelona 

      Márquez Ballesteros, María José; Mora López, Llanos; Lloret Gallego, Pau; Sumper, Andreas; Sidrach de Cardona Ortín, Mariano (Elsevier, 2019-02-01)
      Article
      Accés obert
      The aim of the paper is to propose a methodology for evaluating the energy sustainability of a city based on the characterization of the energy end-use, energy systems and flows, as well as other intrinsically related ...
    • Methodology for the evaluation of resilience of ICT systems for smart distribution grids 

      Lloret Gallego, Pau; Aragüés Peñalba, Mònica; Van Schepdael, Lien; Bullich Massagué, Eduard; Olivella Rosell, Pol; Sumper, Andreas (2017-08-29)
      Article
      Accés obert
      Ensuring resilient operation and control of smart grids is fundamental for empowering their deployment, but challenging at the same time. Accordingly, this study proposes a novel methodology for evaluating resilience of ...
    • Methodology for the sizing of a hybrid energy storage system in low voltage distribution grids 

      Girbau Llistuella, Francesc; Díaz González, Francisco; Sumper, Andreas; Aragüés Peñalba, Mònica; Candido, Luisa; Gallart Fernández, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      This paper presents a methodology for the sizing of hybrid storage solutions in low-voltage distribution networks. A hybrid storage solution is defined as that able to integrate and maximize the performance of a heterogeneous ...
    • Methodology for the sizing of a hybrid energy storage system in low voltage distribution grids [Dataset] 

      Girbau Llistuella, Francesc; Díaz González, Francisco; Sumper, Andreas; Aragüés Peñalba, Mònica; Candido, Luisa; Gallart Fernánez, Ramon (Universitat Politècnica de Catalunya, 2019)
      Conjunt de dades
      Accés obert
    • Microgrid clustering architectures 

      Bullich Massagué, Eduard; Díaz González, Francisco; Aragüés Peñalba, Mònica; Girbau Llistuella, Francesc; Olivella Rosell, Pol; Sumper, Andreas (2018-02-15)
      Article
      Accés restringit per política de l'editorial
      Microgrids are considered one of the most promising solutions to integrate renewable distributed generation into the electric power system. During the last decade, the microgrid concept has been studied and developed and ...
    • Microgrids 

      Aragüés Peñalba, Mònica; Sumper, Andreas (Multidisciplinary Digital Publishing Institute (MDPI), 2020-01)
      Llibre
      Accés obert
      Integration of renewable energy sources in the electrical power system is key for enabling the decarbonization of that system. The connection of renewable generation to the electrical system is being performed in a centralized ...
    • Modeling and control of the doubly fed induction generator wind turbine 

      Junyent Ferré, Adrià; Gomis Bellmunt, Oriol; Sumper, Andreas; Sala, Marc; Mata, Montserrat (2010-10)
      Article
      Accés restringit per política de l'editorial
    • Modeling and validation of a flywheel energy storage lab-setup 

      Díaz González, Francisco; Sumper, Andreas; Gomis Bellmunt, Oriol; Villafafila Robles, Roberto (2012)
      Text en actes de congrés
      Accés obert
      This work deals with the modeling, control and experimental validation of a flywheel test bench which is part of IREC’s lab-scale microgrid. The storage device has been designed as a proof of concept. It is based on a ...
    • MV and LV residential grid impact of combined slow and fast charging of electric vehicles 

      Leemput, Niels; Geth, Frederik; Van Roy, Juan; Olivella Rosell, Pol; Driesen, Johan; Sumper, Andreas (2015-03-01)
      Article
      Accés obert
      This article investigates the combined low voltage (LV) and medium voltage (MV) residential grid impact for slow and fast electric vehicle (EV) charging, for an increasing local penetration rate and for different residential ...
    • Nuevos conceptos en microrredes para la distribución de energía eléctrica 

      Girbau Llistuella, Francesc; Aragüés Peñalba, Mònica; Sumper, Andreas (Grupo Tecnipublicaciones, 2015-01)
      Article
      Accés restringit per política de l'editorial
      La red eléctrica tradicional, gracias al aumento de la generación distribuida, la irrupción de la electrónica de potencia y las avanzadas tecnologías de la información y comunicación, está evolucionando hacia las futuras ...
    • Object oriented backward/forward algorithm for unbalanced and harmonic polluted distribution systems 

      Tomoiaga, Bogdan; Chindris, Mircea; Sudrià Andreu, Antoni; Sumper, Andreas (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The optimization in the operation of distribution electric systems has become an acute problem. In order to evaluate some essential criteria (e.g., active power losses) the computation of power flow is absolutely ...
    • Optimal feeder flow control for grid connected microgrids 

      Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Prieto Araujo, Eduardo; Sumper, Andreas; Caire, Raphael (2019-11-01)
      Article
      Accés obert
      The optimal management of distributed energy resources is one of theexisting challenges for the deployment of microgrids. When microgrids op-erate under feeder flow control mode, trying to maintain a constant self-consumption, ...
    • Optimal operation of DC networks to support power system outage management 

      Teixeira Pinto, Rodrigo; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol; Sumper, Andreas (Institute of Electrical and Electronics Engineers (IEEE), 2016-11)
      Article
      Accés obert
      The penetration of dc networks for different applications in power systems is increasing. This paper presents a novel methodology for security-constrained optimal power flow (SCOPF) operation of a power system, such as a ...
    • Optimal operation of hybrid high voltage direct current and alternating current networks based on OPF combined with droop voltage control 

      Aragüés Peñalba, Mònica; Sau Bassols, Joan; Galceran Arellano, Samuel; Sumper, Andreas; Gomis Bellmunt, Oriol (2018-10)
      Article
      Accés obert
      This study focuses on the operation and control of HVDC multi-terminal systems that transmit the power being generated in offshore wind farms to the terrestrial AC grids. The aim of the paper is to propose and validate an ...
    • Optimale Positionierung von Großbatterien in Verteilnetzen 

      Resch, Matthias; Bühler, Jochen; Huyskens, Hendrik; Sumper, Andreas (2015)
      Comunicació de congrés
      Accés obert
    • Optimization of surge arrester locations in overhead distribution networks 

      Bullich Massagué, Eduard; Sumper, Andreas; Villafafila Robles, Roberto; Rull Duran, Joan (2015-04-01)
      Article
      Accés obert
      Lightning is considered one of the main causes of faults in overhead distribution networks. Direct strokes usually lead to flashovers due to the insulation levels that are used. Induced overvoltages caused by indirect ...