Now showing items 1-20 of 139

  • A communication: assisted protection for MVDC distribution systems with distributed generation 

    Monadi, Mehdi; Gavriluta, Catalin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
    Conference report
    Open Access
    In this paper, a communication-assisted protection scheme is proposed for medium voltage dc (MVDC) distribution networks. MVDC grids are applicable for connection between microgrids, upgrading the transmission capacity of ...
  • Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults 

    Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
    Article
    Open Access
    Distributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish ...
  • Adaptació a la xarxa intel·ligent d'una empresa de distribució elèctrica 

    Jutglar Rovira, Guillem (Universitat Politècnica de Catalunya, 2016-03)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El sistema elèctric, un sector que destaca pels pocs canvis soferts des dels seus inicis, està en l’actualitat vivint una autèntica revolució tecnològica però també ideològica amb la transformació de les xarxes elèctriques ...
  • Adaptive droop for control of multiterminal DC bus integrating energy storage 

    Gavriluta, Catalin; Candela García, José Ignacio; Rocabert Delgado, Joan; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-02-01)
    Article
    Open Access
    Multiterminal dc (MTDC) systems are drawing a lot of interest lately in applications related to distributed generation, especially in those that integrate wind or photovoltaic (PV) generation with energy storage (ES). ...
  • Adaptive sliding-mode control for a multiple-user inductive power transfer system without need for communication 

    Van Der Pijl, Frank F. A; Castilla Fernández, Miguel; Bauer, Pavol T. (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-09-06)
    Article
    Restricted access - publisher's policy
    A complicating aspect in the control design of resonant inductive power transfer systems is the absence of a direct communication link between primary and (multiple) secondary system sides. This paper introduces a new ...
  • A distributed power sharing framework among households in microgrids: a repeated game approach 

    Alskaif, Tarek; Guerrero Zapata, Manel; Bellalta Jiménez, Boris; Nilsson, Anders (2017-01-01)
    Article
    Open Access
    In microgrids, the integration of distributed energy resources (DERs) in the residential sector can improve power reliability, and potentially reduce power demands and carbon emissions. Improving the utilization of renewable ...
  • Advanced control of a high power converter connected to a weak grid 

    Shahparasti, Mahdi; Catalán, Pedro; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016)
    Conference report
    Open Access
    This paper addresses the stability problems of a high power converter connected to a weak grid. The wide range values that grid impedance can take, challenges the stability and the performance of the controllers, which are ...
  • A flexible experimental laboratory for distributed generation networks based on power inverters 

    Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon; Camacho Santiago, Antonio; Moradi Ghahderijani, Mohammad (2017-10-13)
    Article
    Open Access
    In the recently deregulated electricity market, distributed generation based on renewable sources is becoming more and more relevant. In this area, two main distributed scenarios are focusing the attention of recent research: ...
  • A generalized voltage droop strategy for control of multiterminal DC grids 

    Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-02)
    Article
    Open Access
    This paper proposes a generalized voltage droop (GVD) control strategy for dc voltage control and power sharing in voltage source converter (VSC)-based multiterminal dc (MTDC) grids. The proposed GVD control is implemented ...
  • 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 ...
  • Aggregating energy flexibilities under constraints 

    Valsomatzis, Emmanouil; Bach Pedersen, Torben; Abelló Gamazo, Alberto; Hose, Katja (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    The flexibility of individual energy prosumers (producers and/or consumers) has drawn a lot of attention in recent years. Aggregation of such flexibilities provides prosumers with the opportunity to directly participate ...
  • A hybrid power flow controller for flexible operation of multi-terminal DC grids 

    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
    This paper develops a hybrid power flow controller (HPFC) to take one step forward for building future flexible DC transmission system (FDCTS). The idea for proposing HPFC is inspired by the successful operation of flexible ...
  • A Monte Carlo approach for distribution reliability assessment considering time varying load and system reconfiguration 

    Martínez Magaña, Juan; Guerra Sánchez, Luis Gerardo (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents the basic features of a sequential analytical Monte Carlo approach for reliability evaluation of distribution systems. The document includes a description of the procedure, implemented in an open ...
  • Ampliación de un laboratorio de protecciones eléctricas en líneas de distribución 

    Álvarez Muñoz, Rubén Daniel (Universitat Politècnica de Catalunya, 2014-06-11)
    Bachelor thesis
    Open Access
    Aquest document descriu el procés d'ampliació per a un laboratori de proteccions elèctriques per a línies elèctriques de distribució situat a l'Aula Schneider (Planta 1 EUETIB) . Aquest sistema permet familiaritzar-se ...
  • An adaptive prefiltering method to improve the speed/accuracy tradeoff of voltage sequence detection methods under adverse grid conditions 

    Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2013-07-23)
    Article
    Restricted access - publisher's policy
    This paper deals with the improvement of the transient response and harmonic, subharmonic, and dc-offset voltage rejection capability of a grid voltage sequence detection scheme based on a second-order generalized integrator ...
  • Análisis de datos de transporte y consumo eléctrico para la movilidad eléctrica 

    Kiyota, André Shigueo (Universitat Politècnica de Catalunya, 2013-01)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El presente proyecto se ha desarrollado en el análisis de la demanda el eléctrica española y proponer un modelo de previsión adecuado que pueda incorporar un modelo de simulación de previsión de carga de vehículos eléctricos. ...
  • Análisis de la estabilidad de sistemas fotovoltaicos conectados a red mediante la respuesta frecuencial de la impedancia 

    Rodríguez Villarreal, José Raúl; Biel Solé, Domingo; Guinjoan Gispert, Francisco (2011)
    Conference report
    Open Access
    El incremento de la generación de energía distribuida en la red eléctrica ha despertado inquietudes respecto a la estabilidad de la misma. Los generadores fotovoltaicos conectados a la red eléctrica tienen que lidiar con ...
  • Análisis y mejora del sistema de generación eléctrica Pitiuso 

    Pumares García, Borja (Universitat Politècnica de Catalunya, 2016-06-08)
    Bachelor thesis
    Open Access
    Análisis y mejora del sistema de generación eléctrica Pitiuso es un trabajo desarrollado por el alumno Borja Pumares García, estudiante de la Escuela Técnica Superior de Ingeniería Industrial de Barcelona, bajo la tutela ...
  • Analysis of derivative control based virtual inertia in multi-area HVDC interconnected AGC power systems 

    Rakhshani, Elyas; Remón, D.; Mir Cantarellas, Antonio; Rodríguez Cortés, Pedro (2016-02-04)
    Article
    Open Access
    Due to increasing level of power converter based component in the grid and consequently the lack of inertia, AGC in multi area interconnected power systems are experiencing different challenges. To cope with this challenging ...
  • 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 ...