Now showing items 1-10 of 10

    • A study on multi-level PWM and asynchronous Sigma Delta modulations for enhanced bandlimited signal tracking in switching power amplifiers 

      García Tormo, Albert; Poveda López, Alberto; Alarcón Gallo, Eduardo; Guinjoan Gispert, Francisco (2013-06)
      Article
      Restricted access - publisher's policy
      This work deals with multi-level switching amplifiers, in the context of high-efficiency power amplification for signal tracking applications. In particular, this paper evaluates the reduction in the error signal's power ...
    • Computing and communications for the software-defined metamaterial paradigm: a context analysis 

      Abadal Cavallé, Sergi; Liaskos, Christos; Tsioliaridou, Ageliki; Ioannidis, Sotiris; Pitsillides, Andreas; Solé Pareta, Josep; Alarcón Gallo, Eduardo; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2017-01-01)
      Article
      Open Access
      Metamaterials are artificial structures that have recently enabled the realization of novel electromagnetic components with engineered and even unnatural functionalities. Existing metamaterials are specifically designed ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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, ...
    • Diseño e implementación de una interfaz de comunicación via SPI entre un DSP de TI y un UC de microchip 

      Alarcón Gallo, Eduardo (Universitat Politècnica de Catalunya, 2008-06-27)
      Master thesis (pre-Bologna period)
      Open Access
      Los inversores (convertidores electrónicos de potencia de tensión continua DC a tensión alterna AC) se encargan de tratar la energía solar captada por paneles solares (DC) y entregar de forma adecuada a la red eléctrica ...
    • Energy buffer dimensioning through energy-erlangs in spatio-temporal-correlated energy-harvesting-enabled wireless sensor networks 

      Gomez Cid-Fuentes, Raül; Cabellos Aparicio, Alberto; Alarcón Gallo, Eduardo (2014-09-01)
      Article
      Restricted access - publisher's policy
      Energy-harvesting-enabled wireless sensor networks (EHE-WSN), despite their disruptive potential impact, still present several challenges precluding practical deployability. In particular, the low power density and random ...
    • Fast grid synchronization technique based on a multiple cascaded general integrator scheme for distributed generation inverters 

      Matas Alcalá, José; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Alarcón Gallo, Eduardo; Camacho Santiago, Antonio (2012)
      Conference report
      Restricted access - publisher's policy
      This paper proposes a new structure for grid synchronization based on generalized integrators (GI) that lead to fast detection of positive and negative components of the grid voltage. The GI are used as a band pass ...
    • Flexible voltage support control for three-phase distributed generation inverters under grid fault 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Vasquez, Juan C.; Alarcón Gallo, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
      Article
      Restricted access - publisher's policy
      Ancillary services for distributed generation (DG)systems become a challenging issue to smartly integrate renewable-energy sources into the grid. Voltage control is one of these ancillary services which can ride through ...
    • Métodos de control de un ondulador monofásico 

      Alarcón Gallo, Eduardo (Universitat Politècnica de Catalunya, 2010-07-14)
      Master thesis (pre-Bologna period)
      Open Access
      El presente proyecto final de carrera forma parte de un objetivo más amplio, la realización de una tesis doctoral con el grupo SEPIC. Esta tesis se enmarca en el estudio de los sistemas de generación distribuida y, en ...
    • Nonlinear dynamics in a graphene nanostructured device for energy harvesting 

      El Aroudi, Abdelali; Lopez Suarez, Miquel; Alarcón Gallo, Eduardo; Rurali, Riccardo; Abadal, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      Nonlinearities have been shown to play an important role in increasing the extracted energy of energy harvesting devices at the macro and micro scales. Vibration-based energy harvesting on the nano scale has also received ...
    • On the modeling of switched capacitor converters with multiple outputs 

      Delos, Julia; Lopez, Toni; Alarcón Gallo, Eduardo; Hendrix, Marcel A.M. (2014)
      Conference report
      Restricted access - publisher's policy
      The internal nodes of switched capacitor converters can be used to provide multiple pulsed width modulated voltages that, in combination with filter inductors, can extend the available dc outputs. Such converter architecture ...