Now showing items 1-20 of 198

  • 2 transistors + 2 diodes-based PEBB designed for general applications in power electronics 

    Nicolás Apruzzese, Joan; Rocabert Delgado, Joan; Bordonau Farrerons, José; Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Martínez Velasco, Juan Antonio; Peracaula Roura, Joan (2009)
    Conference lecture
    Open Access
    This paper presents a new Power Electronic Building Block (PEBB) designed to facilitate the implementation of different power converter topologies. The proposed PEBB consists of two diodes and two transistors and it can ...
  • A Closed-loop capacitance to pulse-width converter for single element capacitive sensors 

    Areekath, Lakshmi; George, Boby; Reverter Cubarsí, Ferran (2019)
    Conference report
    Open Access
    A novel closed-loop capacitance-to-pulse width converter (CPC) suitable for single element capacitive sensors that use sinusoidal excitation is presented in this paper. Its operation is realized using a new configuration ...
  • A compact Thévenin model for a rectenna and its application to an RF harvester with MPPT 

    Gasulla Forner, Manuel; Ripoll Vercellone, Edgar; Reverter Cubarsí, Ferran (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-06)
    Article
    Open Access
    This paper proposes a compact Thévenin model for a rectenna. This model is then applied to design a high-efficiency radio frequency harvester with a maximum power point tracker (MPPT). The rectenna under study consists of ...
  • A comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter 

    Fazlin Roslan, Nurul; Suul, Jon Are; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2017-08-23)
    Article
    Restricted access - publisher's policy
    Grid synchronization based on Virtual Flux (VF) estimation allows for control of grid-connected power converter without depending on AC-voltage measurements. This is useful in voltage-sensor-less applications for reducing ...
  • A control technique for integration of DG units to the electrical networks 

    Pouresmaeil, Edris; Miguel Espinar, Carlos; Massot Campos, Miquel; Montesinos Miracle, Daniel; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2013-07)
    Article
    Restricted access - publisher's policy
    This paper deals with a multiobjective control technique for integration of distributed generation (DG) resources to the electrical power network. The proposed strategy provides compensation for active, reactive, and ...
  • Active damping of a DC network with a constant power load: an adaptive passivity-based control approach 

    Machado, Juan E.; Arocas Pérez, José; He, Wei; Ortega, Romeo; Griñó Cubero, Robert (2018)
    Conference lecture
    Open Access
    This paper proposes a nonlinear, adaptive controller to increase the stability margin of a direct-current (DC) small-scale electrical network containing a constant power load, whose value is unknown. Due to their negative ...
  • Adaptive discontinuous zero sequence signal for modular multilevel converter applications 

    Antonio Ferreira, Abel; Gomis Bellmunt, Oriol; Teixidó Román, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    This work proposes a technique to inject a discontinuous zero sequence signal (D-ZSS) into voltage modulation of the modular multilevel converter arms. The core of the technique is the clamping of the arm voltages to a ...
  • Adaptive energy management front-ends for variable-distance assymetric wireless power transfer links 

    Egidos Plaja, Nuria (Universitat Politècnica de Catalunya, 2014-07-22)
    Bachelor thesis
    Open Access
    [ANGLÈS] Resonant Inductive Coupling Wireless Power Transfer (RIC-WPT) is a leading field of research due to the growing number of applications that can benefit from this technology: from biomedical implants to consumer ...
  • A design-oriented combined approach for bifurcation prediction in switched-mode power converters 

    El Aroudi, Abdelali; Rodríguez Vilamitjana, Enric; Leyva Grasa, Ramon; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2010-03)
    Article
    Restricted access - publisher's policy
    In this brief, two different approaches are combined for studying the stability of a buck switching power dc-dc converter and for predicting its bifurcations. Instability indexes derived from both approaches are combined ...
  • A fully parameterizable low power design of vector fused multiply-add using active clock-gating techniques 

    Ratkovic, Ivan; Palomar, Oscar; Stanic, Milan; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (Association for Computing Machinery (ACM), 2016)
    Conference report
    Restricted access - publisher's policy
    The need for power-efficiency is driving a rethink of design decisions in processor architectures. While vector processors succeeded in the high-performance market in the past, they need a re-tailoring for the mobile market ...
  • Aggregated model of a distributed PV plant using the synchronous power controller 

    Remón, D.; Mir Cantarellas, Antonio; Nieto, Juan Diego; Zhang, Weiyi; Rodríguez Cortés, Pedro (2015)
    Conference report
    Open Access
    Power plants employing renewable energy sources connected to large power systems continue increasing their number and size. PV and wind farms are a clear example of this trend. They employ power electronics in order to ...
  • A High-Efficiency RF Harvester with Maximum Power Point Tracking 

    Gasulla Forner, Manuel; Robert Sanxis, Francesc Josep; Jordana Barnils, José; Ripoll Vercellone, Edgar; Berenguer Sau, Jordi; Reverter Cubarsí, Ferran (Multidisciplinary Digital Publishing Institute (MDPI), 2018)
    Conference report
    Open Access
    This paper presents the implementation of a high-efficiency radiofrequency (RF) harvester, which consists of a rectenna and a maximum power point tracker (MPPT). The rectenna was characterized from -30 dBm to -10 dBm at ...
  • Amplificador conmutado con asistencia lineal por derivación de corriente mediante modulación de impedancia 

    Ruiz de La Iglesia, Anselmo Gonzalo (Universitat Politècnica de Catalunya, 2013-12-10)
    Bachelor thesis
    Open Access
    [ANGLÈS] This work has as main objective the study of the shunt current regulation technique in the Boost DC-DC converter. The design of a theoretical and a simulation model to analyze the behavior of the circuit and obtain ...
  • A multilevel active-clamped converter topology—Operating principle 

    Busquets Monge, Sergio; Nicolás Apruzzese, Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-09)
    Article
    Restricted access - publisher's policy
    This paper presents a novel multilevel activeclamped converter topology, which is an extension to m levels of the three-level active neutral-point-clamped topology. The operating principle is established through the ...
  • An agile supply modulator with improved transient performance for power efficient linear amplifier employing envelope tracking techniques 

    Prakash, Suraj; Martínez García, Herminio; Naderi, Mohammad H.; Lee, Hoi; Silva Martinez, José (Institute of Electrical and Electronics Engineers (IEEE), 2019-08-09)
    Article
    Restricted access - publisher's policy
    This article presents an agile supply modulator with optimal transient performance that includes improvement in rise time, overshoot and settling time for the envelope tracking supply in linear power amplifiers. For this ...
  • Analysis and design of a digital proportional-resonant controller for a single-phase bidirectional LC rectifier 

    Arroyo Giner, Juan José (Universitat Politècnica de Catalunya, 2018-01)
    Master thesis
    Open Access
    A boost high-power-factor ac/dc converter is designed. The converter presents a bi-directional power flow capability. A bias capacitor connected in series with the ac source provides a dc voltage boost at the input. ...
  • Analysis and design of a terminal sliding mode control applied to a step-down power converter 

    Masclans Serrat, Núria (Universitat Politècnica de Catalunya, 2019-06-25)
    Bachelor thesis
    Open Access
    Generally, step-down converters are controlled by a linear control called average model. This control technique results in a system behavior highly dependent on the working point. Therefore, non-linear techniques have been ...
  • Analysis, design and implementation of a DC/DC boost resonant-inductor converter with sliding-mode control 

    Moradi Ghahderijani, Mohammad; Castilla Fernández, Miguel; Momeneh, Arash; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2018-03-20)
    Article
    Open Access
    Modern DC-DC resonant converters are normally build around a voltage-source series-resonant converter. This study aims to facilitate the practical use of current-source parallel-resonant converters due to their outstanding ...
  • Analysis of information and power transfer in wireless communications 

    Caspers, Erick; Ho Yeung, Sai; Sarkar, Tapan K.; Garcia-Lamperez, Alejandro; Salazr, Magdalena; Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel (2013-06)
    Article
    Restricted access - publisher's policy
    An analysis of wireless information compared to power transfer over the same channel, consisting of a transmitting and receiving antenna system, is discussed. This frequency-selective additive-white-Gaussian-noise channel ...
  • Analysis of the fault-tolerance capacity of the multilevel active-clamped converter 

    Nicolás Apruzzese, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Calle Prado, Alejandro (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Article
    Restricted access - publisher's policy
    Thanks to the inherent redundancy to generate the different output voltage levels, the multilevel active-clamped (MAC) topology presents an important fault-tolerance ability which makes it interesting for several ...