Exploració per autor "Balcells Sendra, Josep"
Ara es mostren els items 40-54 de 54
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New measuring technique for reducing the number of voltage sensors in modular multilevel converters
Picas Prat, Ricard; Zaragoza Bertomeu, Jordi; Pou Félix, Josep; Ceballos Recio, Salvador; Balcells Sendra, Josep (2016-01-01)
Article
Accés obertThis paper presents a new technique for measuring the capacitor voltages in a modular multilevel converter using a reduced number of voltage sensors. With this technique, the minimum number of voltage sensors per arm is ... -
Nonlinear loads model for harmonics flow prediction, using multivariate regression
Lamich Arocas, Manuel; Balcells Sendra, Josep; Corbalán Fuertes, Montserrat; Griful Ponsati, Eulàlia (Institute of Electrical and Electronics Engineers (IEEE), 2017-06)
Article
Accés obertThis paper describes a method for obtaining a model of a single or a set of nonlinear loads (NLL) connected to a certain point of an electrical network. The basic assumption is that the network supplying the NLL has ... -
On electric vehicle battery charger modeling
Sainz Sapera, Luis; Mesas García, Juan José; Balcells Sendra, Josep (2011)
Comunicació de congrés
Accés obertThe increase of electric vehicle (EV) battery chargers connected to electric networks could lead to future harmonic problems in power systems. These loads are nonlinear devices that inject harmonic currents and pollute ... -
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
Accés obertLow-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)
Text en actes de congrés
Accés obertIn 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 ... -
Reduction of output common mode voltage using a novel SVM implementation in matrix converters for improved motor lifetime
Espina, Jordi; Ortega, Carlos; De Lilo, Liliana; Empringham, Lee; Balcells Sendra, Josep; Arias Pujol, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Article
Accés restringit per política de l'editorialThis paper presents the study of an alternative Space Vector Modulation (SVM) implementation for Matrix Converters (MC) which reduces the output Common Mode (CM) voltage. The strategy is based on replacing the MC zero ... -
Review of anti-windup strategies for PI speed controllers in field oriented control of permanent magnet synchronous machines
Espina Masramon, Jorge; Arias Pujol, Antoni; Balcells Sendra, Josep; Ortega García, Carlos (2010-10)
Article
Accés restringit per política de l'editorialThe work presented in this paper addresses the unwanted windup phenomenon reviewing and comparing different PI anti-windup strategies employed in speed control of electric drives. The tuning process of PI controllers is ... -
Speed anti-windup PI strategies review field oriented control of permanent magnet synchronous machines
Espina Masramon, Jorge; Arias Pujol, Antoni; Balcells Sendra, Josep; Ortega García, Carlos (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
Text en actes de congrés
Accés obertThe work presented in this paper addresses the unwanted windup phenomenon reviewing and comparing different PI anti-windup strategies employed in speed control of electric drives. The tuning process of PI controllers is ... -
Speed anti-windup PI strategies review for field oriented control of permanent magnet synchronous machines servo drives with matrix converters
Espina Masramon, Jorge; Arias Pujol, Antoni; Balcells Sendra, Josep; Ortega García, Carlos; Galceran Arellano, Samuel (2009)
Comunicació de congrés
Accés obertWhen facing real systems PI tuning, the plant is modeled disregarding its physical limitations. Consequently, the PI output may increase indefinitely its value; phenomenon called Windup. This paper presents a review and a ... -
SVC model for voltage control of a microgrid
Bogónez Franco, Francisco; Balcells Sendra, Josep; Junyent, Oriol; Jordà, Josep (2011)
Text en actes de congrés
Accés restringit per política de l'editorialLow power renewable sources, connected to low voltage micro-grids, are becoming more and more common. Since there is a high degree of uncertainty on the availability of such sources, this causes problems of stability and ... -
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)
Text en actes de congrés
Accés obertEn 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 ... -
TIEG: basic information of the research group
Balcells Sendra, Josep; Fernández García, Raúl (Campus de Terrassa de la UPC, 2013-06-13)
Text en actes de congrés
Accés obertThis paper presents a summary of the main activities of research group TIEG (Terrassa Industrial Electronics Group). The group objectives are basically focused on four main areas, i.e. Electromagnetic Compatibility (EMC) ... -
Training kit for power electronics teaching
Pérez Robles, Daniel; Balcells Sendra, Josep; Lamich Arocas, Manuel; Berbel Artal, Néstor; Zaragoza Bertomeu, Jordi; Mon González, Juan (Institute of Electrical and Electronics Engineers (IEEE), 2008)
Text en actes de congrés
Accés restringit per política de l'editorial -
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)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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
Accés obertIn 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 ...