Now showing items 1-7 of 7

  • 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
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    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 ...
  • 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
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    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, ...
  • 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
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    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
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    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
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    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 ...
  • 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
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    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
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    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 ...