Enviaments recents

  • Submodule power losses balancing algorithms for the modular multilevel converter 

    Picas Prat, Ricard; Pou, Josep; Zaragoza Bertomeu, Jordi; Watson, Alan; Konstantinou, Georgios; Ceballos Recio, Salvador; Clare, John (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Tolerance and component aging can cause significant differences in the capacitance values of the submodules (SMs) in a modular multilevel converter (MMC). Depending on the modulation technique, capacitance mismatches may ...
  • Discontinuous modulation of modular multilevel converters without the need for extra submodules 

    Picas Prat, Ricard; Ceballos Recio, Salvador; Pou Félix, Josep; Zaragoza Bertomeu, Jordi; Konstantinou, Georgios; Agelidis, Vassilios; Balcells Sendra, Josep (2015)
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  • Utilising redundant voltage levels for circulating current control in modular multilevel converters 

    Konstantinou, Georgios; Pou Félix, Josep; Ceballos Recio, Salvador; Picas Prat, Ricard; Zaragoza Bertomeu, Jordi; Agelidis, Vassilios (2015)
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  • Mathematical efficiency modeling of static power converters 

    Hoff Dupont, Fabrício; Zaragoza Bertomeu, Jordi; Rech, Cassiano; Pinheiro, José Renes (2015)
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    This paper presents a review and a comparative analysis between mathematical models for the efficiency of power converters. Two different types of models are considered, being one for converters subject solely for output ...
  • Reducing circulating currents in interleaved converter legs under selective harmonic elimination pulse-width modulation 

    Konstantinou, Georgios; Pou Félix, Josep; Capellá Frau, Gabriel José; Ceballos Recio, Salvador; Agelidis, Vassilios (2015)
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    Interleaving of voltage source converter legs enables higher output currents per phase, effectively increasing the power rating without increasing semiconductor ratings. Different switching patterns between the converter ...
  • Modelling harmonics drawn by nonlinear loads 

    Lamich Arocas, Manuel; Balcells Sendra, Josep; Mon González, Juan; Corbalán Fuertes, Montserrat; Griful Ponsati, Eulàlia (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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    This paper is devoted to obtain a model of nonlinear loads (NLL) connected to LV electric networks, in order to predict the consequences of including parallel active or passive filters. The model is based on Neural ...
  • Del reto al proyecto: una nueva experiencia docente en el marco del Espacio Europeo de Educacion Superior 

    Jaen Fernandez, Carles; Hervada Sala, Carme; Lamich Arocas, Manuel; Corbalán Fuertes, Montserrat; Pou Félix, Josep; Arias Pujol, Antoni (2009-06-08)
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  • Lead current reduction in a three phase four wires Shunt Hybrid Filter 

    Lamich Arocas, Manuel; Balcells Sendra, Josep; Castillo Martínez, Jose Luis; Pérez Robles, Daniel (2009)
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  • Coupled interleaved multicellular parallel converters operated under switching frequency modulation 

    Mon González, Juan; González Díez, David; Gautier, Cirylle; Labrousse, Denis; Costa, François (2014)
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    The Coupled Interleaved Multicellular Parallel (CIMP) topology is the subject of intense research because of its advantages in terms of systems integration, power density increase, low level of EMI emissions and dynamic ...
  • Improvement of driver to gate coupling circuits for SiC MOSFETS 

    Balcells Sendra, Josep; Mon González, Juan; Lamich Arocas, Manuel; Laguna, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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    This work presents a study of the influence of different gate driver circuits on the switching behavior of SiC MOSFET devices used in a buck converter. The paper is based on several tests performed to determine the switching ...
  • A comparative study between Elliptic Fourier and B-spline descriptors for object contour representation 

    Ferrer Arnau, Luis Jorge; Parisi Baradad, Vicenç; Soria Pérez, José Antonio; Nasreddine, Kamal; Benzinou, Abdesslam (2014)
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    In this work, a comparative study between Elliptic Fourier and B-spline descriptors is carried out for comparing their efficiency in characterizing the contour shape of image objects. In both cases, the goal is to obtain ...
  • Otolith shape classification for fish stock discrimination 

    Soria Pérez, José Antonio; Nasreddine, Kamal; Parisi Baradad, Vicenç; Ferrer Arnau, Luis Jorge; Benzinou, Abdesslam (2014)
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    The shape analysis of otoliths, which are calcified structures in the inner ear of teleostean fishes, is known to be particularly relevant to address species identification and stock discrimination. Generally, scientists ...

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