Now showing items 1-20 of 20

  • A new switching frequency modulation scheme for EMI reduction in multiconverter topology 

    Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep; Fernández García, Raúl; Gil Galí, Ignacio (2009)
    Conference report
    Open Access
    This paper presents a modulation scheme in order to reduce conducted Electromagnetic Interference (EMI) generated by modular power converters with parallel topology. The proposed scheme is based on a combination of ...
  • Avaluació de la qualitat partint de la SEEQ i enquestes adaptades utilitzant tècniques estadístiques 

    Corbalán Fuertes, Montserrat; Aldabas Rubira, Emiliano; Nescolarde Selva, Lexa D.; Gallardo León, Juan Antonio; Gago Barrio, Javier; González Díez, David; Martinez Albertín, Laura; Kadaoui, Hamza; Morlà Fernández, Nomeí (2009-02-12T13:00:20Z)
    Conference lecture / Conference report
    Open Access
    Dissenyar una metodologia per conèixer l’opinió de l’alumne respecte a l’assignatura i el professorat que la imparteix. Enfortir l’intercanvio d’experiències i metodologies entre els docents. Generar una metodologia d’anàlisis ...
  • Contribution to conducted EMI reduction in multiconverter topology 

    Mon González, Juan; González Díez, David; Gago Barrio, Javier; Balcells Sendra, Josep; Fernández García, Raúl; Gil Galí, Ignacio (2009-11)
    Conference report
    Open Access
    This paper contributes to the conducted EMI reduction generated by switched power converters operating in multiconverter arrangement. The EMI reduction is achieved by means of the combination of two techniques: interleaving ...
  • Control to reduce leading current in a Shunt Hybrid power filter 

    Lamich Arocas, Manuel; Balcells Sendra, Josep; González Díez, David; Gago Barrio, Javier; Jaen Fernandez, Carles; Castillo Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    Conference report
    Open Access
    The main drawback of Shunt Hybrid Filters is the need of leading current injection. This paper describes a strategy to reduce the leading current in a three phase four wires LC coupled parallel hybrid filter for harmonics ...
  • Experimental Characterization of NBTI Effect on pMOSFET and CMOS Inverter 

    Fernández García, Raúl; Kaczer, Ben; Gago Barrio, Javier; Rodríguez, Rosana; Nafría Maqueda, Montserrat (2009-02)
    Conference lecture
    Open Access
  • Hard-less common mode active EMI filter 

    Pérez Robles, Daniel; González Díez, David; Mon González, Juan; Balcells Sendra, Josep; Gil Galí, Ignacio; Gago Barrio, Javier; Bogónez Franco, Francisco (2012)
    Conference report
    Open Access
    Active EMI filters appear as an alternative to classical EMI filters based on passive components. Active EMI filters can provide more compact, cheaper and lighter solutions than passive approach. In this paper we present ...
  • Hybrid modulator for power converters in parallel topology 

    Mon González, Juan; González Díez, David; Balcells Sendra, Josep; Gago Barrio, Javier; Bogónez Franco, Francisco (2012)
    Conference lecture
    Open Access
    This paper presents a new mixed modulator that combines interleaving and spread-spectrum techniques in order to achieve the lowest level of conducted EMI generation. This modulator is addressed to power converters in ...
  • Immunity of power line communications (PLC) in disturbed networks 

    Vallbe, Bernat; Balcells Sendra, Josep; Bogónez Franco, Francisco; Mata Diaz, Jorge; Gago Barrio, Javier (2011)
    Conference report
    Open Access
    This paper presents an analysis of electromagnetic immunity of energy metering devices, using broadband power line communications (PLC) in low voltage (LV) supply networks with high levels of disturbance. Several tests ...
  • Interleaving and switching pattern modulation to conducted EMI reduction 

    Mon González, Juan; González Díez, David; Gago Barrio, Javier; Balcells Sendra, Josep; Bogónez Franco, Francisco (2012)
    Conference report
    Open Access
    This paper explores new techniques to reduce the conducted EMI generated by switched power converters operating in multiconverter arrangement. These techniques are based in the combined application of interleaving and ...
  • Minimization of Leading Current in a Three Phase Four Wires Shunt Hybrid Filter 

    Lamich Arocas, Manuel; Balcells Sendra, Josep; Gago Barrio, Javier; González Díez, David; Jaen Fernandez, Carles; Castillo Martínez, Jose Luis (2009)
    Article
    Restricted access - publisher's policy
    The main drawback of Shunt Hybrid Filters is the need of leading current injection. This paper describes a strategy to reduce the leading current in a three phase four wires LC coupled parallel hybrid filter for harmonics ...
  • Modulation technique to reduce EMI in power multiconverters 

    Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep; Fernández García, Raúl; Bogónez Franco, Francisco; Gil Galí, Ignacio (2009-04-05)
    Article
    Open Access
    A new technique to reduce EMI in modular power multiconverters is described. The technique is based on a combination of switching frequency modulation and a variable delay between communication signals of the single ...
  • Multiband EMI filter based on metamaterials 

    Gil Galí, Ignacio; Fernández García, Raúl; Gago Barrio, Javier; Balcells Sendra, Josep (2010-05-10)
    Article
    Open Access
    A novel compact multiband microstrip EMI filter based on metamaterials is presented. The filter is implemented by means of split-rings resonators and complementary spiral sub-wavelength resonators, conveniently coupled to ...
  • Oriented trajectories as a method for audience measurement 

    López Palma, Manuel; Morros Rubió, Josep Ramon; Gago Barrio, Javier; Corbalán Fuertes, Montserrat (2018)
    Conference report
    Restricted access - publisher's policy
    The quantification of the attention received by advertisements is of paramount importance to determine its effectiveness. In this work, a simple and effective objective method for the assessment of the attention given to ...
  • Plataforma hardware universal para prácticas sobre sistemas electrónicos analógico-digitales avanzados en régimen de semipresencialidad 

    Gago Barrio, Javier; González Díez, David; López González, Juan Miguel (2006-02)
    Conference report
    Open Access
    Aquest projecte tracta d’implementar una metodologia per fer pràctiques d’Electrònica Analògica amb circuits avançats que es puguin configurar fàcilment dins d’una placa hardware universal. Aquesta metodologia es basa en ...
  • Potenciació de l’ús dels recursos del campus ATENEA per a l’autoaprenentatge i el suport a la docència en les assignatures de circuits i dispositius electrònics 

    Fernández García, Raúl; Gil Galí, Ignacio; Ferrer Arnau, Luis Jorge; Gago Barrio, Javier; Berbel Artal, Néstor (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
    Conference report / Conference lecture
    Open Access
    Tradicionalment, les assignatures relacionades amb l’anàlisi de circuits i dispositius electrònics son assignatures que presenten un baix rendiment acadèmic en comparació a d’altres. Es a dir, el percentatge d’alumnes ...
  • Reduction of electromagnetic interference susceptibility in small-signal analog circuits using complementary split-ring resonators 

    Pérez Robles, Daniel; Gil Galí, Ignacio; Gago Barrio, Javier; Fernández García, Raúl; Balcells Sendra, Josep; González Díez, David; Berbel Artal, Néstor; Mon González, Juan (IEEE, 2012-02-10)
    Article
    Open Access
    Low-frequency analog and digital electronic circuits are susceptible to electromagnetic interference in the radiofrequency (RF) range. This disturbance is produced when the coupled RF signal is rectified by the nonlinear ...
  • Reduction of EMI by Combining Interleaving and Modulation Techniques in Multiconverter Topology 

    Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep; Fernández García, Raúl; Gil Galí, Ignacio (2009)
    Conference report
    Open Access
    In this paper an evaluation of different modulations techniques that combine switching frequency modulation and interleaving is presented. The objective of these modulations is to cancel certain harmonics of EMI and to ...
  • Técnicas de reducción EMI en sistemas multiconvertidor con conexión en paralelo 

    Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep (Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica (EEL), 2009)
    Conference report
    Open Access
    En el presente artículo se analizan diferentes técnicas para la reducción de las EMI generadas por sistemas multiconvertidor con conexión en paralelo. La reducción de las perturbaciones generadas se logra por medio de la ...
  • Validation of EMI model for matrix converters 

    Espina Masramon, Jorge; Balcells Sendra, Josep; Arias Pujol, Antoni; Ortega García, Carlos; González Díez, David; Gago Barrio, Javier (IEEEXPLORE, 2012)
    Conference report
    Restricted access - publisher's policy
    This paper is focused on the validation of a previously presented method to obtain conducted EMI in direct matrix converters (MC). Such model is based on a frequency domain equivalent circuit, which is applied to two ...
  • Wavelet-based approach to evaluation of signal integrity 

    Bialasiewicz, Jan T.; González Díez, David; Balcells Sendra, Josep; Gago Barrio, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2013-10-07)
    Article
    Open Access
    In this paper, we present a new approach to evaluation of signal integrity that is based on signal energy density as a function of time and frequency, represented by its wavelet scalogram. Using signal integrity ratio and ...