Ara es mostren els items 1-20 de 57

    • A distributed control for accurate active-power sharing in islanded microgrids subject to clock drifts 

      Alfaro Aragón, Carlos Arturo; Castilla Fernández, Miguel; Camacho Santiago, Antonio; Martí Colom, Pau; Velasco García, Manel (2021-01-28)
      Article
      Accés obert
      Inverters-based islanded microgrids are operated by local digital signal processors, driven by their own local clocks. These local clocks have drifts affecting the clock signals which are used to control the inverters in ...
    • 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
      Accés obert
      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: ...
    • 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
      Accés obert
      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 ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...
    • Active power sharing and frequency regulation in droop-free control for islanded microgrids under electrical and communication failures 

      Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-01)
      Article
      Accés obert
      The droop-free control for ac microgrids achieves active power sharing and frequency regulation by replacing the centralized secondary control and the primary-level droop mechanism by a cooperative distributed control ...
    • Adaptive slope voltage control for distributed generation inverters with improved transient performance 

      Rey López, Juan Manuel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Guzmán Solà, Ramon (2019-04-09)
      Article
      Accés obert
      Reactive power injection in distributed generation inverters is an useful ancillary service for grid supporting purposes. For grid-feeding converters, the slope control method is the most common voltage regulation strategy ...
    • Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions 

      Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
      Article
      Accés obert
      Microgrids are power systems consisting of an electrical network composed by distributed loads and generation units that may include a communication network for improved operation. The considered microgrid in islanded mode ...
    • Análisis, diseño e implementación de sistemas de control en red mediante un uso eficiente del ancho de banda 

      Camacho Santiago, Antonio (Universitat Politècnica de Catalunya, 2009-12)
      Projecte/Treball Final de Carrera
      Accés obert
      Existe una tendencia creciente a interconectar sistemas a través de redes en las que se intercambia información. La conexión en red permite aumentar las funcionalidades y mejorar las prestaciones del sistema. Desde hace ...
    • Avoiding overvoltage problems in three-phase distributed-generation systems during unbalanced voltage sags 

      Castilla Fernández, Miguel; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2020-02-01)
      Article
      Accés obert
      During voltage sags, distributed generation systems must fulfil specific grid-code requirements for reactive current injection. This ancillary service can produce overvoltage problems in networks operating in unbalanced ...
    • Collaborative voltage unbalance elimination in grid-connected AC microgrids with grid-feeding inverters 

      Borrell, Angel; Velasco García, Manel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Martí Colom, Pau; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2021-06-01)
      Article
      Accés obert
      The control flexibility of the power inverters that interface distributed generation can be exploited to incorporate power quality enhancement features in addition to the usual power management control. This article presents ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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, ...
    • Consensus for active power sharing and frequency restoration in islanded microgrids subject to drifting clocks 

      Rosero Chandi, Carlos Xavier; Martí Colom, Pau; Velasco García, Manel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The application of consensus theory in the control of islanded microgrids (MG) is gaining increased attention because it facilitates the development of distributed control solutions. In particular, its application to active ...
    • Control scheme for photovoltaic three-phase inverters to minimize peak currents during unbalanced grid-voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Camacho Santiago, Antonio; García de Vicuña Muñoz de la Nava, José Luis; Matas Alcalá, José (2012)
      Article
      Accés restringit per política de l'editorial
      Nowadays, the majority of the photovoltaic (PV) power sources are connected to the public grid. One of the main connection problems occurs when voltage sags appear in the grid due to short circuits, lightning, etc. ...
    • Control strategies based on effective power factor for distributed generation power plants during unbalanced grid voltage 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; Guzmán Solà, Ramon; de Sousa Pérez, Óscar; Martí Colom, Pau; García de Vicuña Muñoz de la Nava, José Luis (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Unbalanced voltages in three-phase power systems is a common perturbation propagated along the grid. Distributed Generation plants have gained widespread attention due to their capability to improve power quality in a ...
    • Control strategy for distribution generation inverters to maximize the voltage support in the lowest phase during voltage sags 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-07)
      Article
      Accés obert
      IEEE Voltage sags are considered one of the worst perturbations in power systems. Distributed generation power facilities are allowed to disconnect from the grid during grid faults whenever the voltage is below a certain ...
    • Coordinated reactive power control for static synchronous compensators under unbalanced voltage sags 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Matas Alcalá, José; Alarcón Gallo, Eduardo; García de Vicuña Muñoz de la Nava, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Unbalanced voltage sags strongly deteriorate the performance of power converters and electrical machines connected to the distribution network. In particular, a reduction of the power quality is noticed in these equipments, ...
    • Decoupled simultaneous complex power sharing and voltage regulation in islanded AC microgrids 

      Duarte Mejia, Josue Neftali; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Alfaro Aragón, Carlos Arturo (Institute of Electrical and Electronics Engineers (IEEE), 2023-04)
      Article
      Accés restringit per política de l'editorial
      In islanded AC microgrids, when multiple voltage source inverters (VSIs) operate in parallel, it is challenging to simultaneously obtain both accurate complex (active and reactive) power sharing and voltage regulation (in ...
    • Design of an embedded control system laboratory experiment 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Buttazzo, Giorgio (2010-02-08)
      Article
      Accés obert
    • Design of an embedded control system laboratory experiment 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Buttazzo, Giorgio (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-10-01)
      Article
      Accés restringit per política de l'editorial
      This paper presents a prototype laboratory experiment to be integrated in the education of embedded control system engineers. The experiment, a real-time control of a dynamical system, is designed to drive students to a ...
    • Distributed reactive power control methods to avoid voltage rise in grid-connected photovoltaic power generation systems 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A high density of grid-connected photovoltaic (PV) power generation systems is expected to occur in urban areas. The connection of distributed generation (DG) may cause serious problems in the distribution system such ...