Ara es mostren els items 21-38 de 38

    • Four-branch star neutral current hybrid power filter and var compensator 

      Rodríguez Cortés, Pedro; Candela García, José Ignacio; Luna Alloza, Álvaro; Teodorescu, Remus; Blaabjerg, F.; Rocabert Delgado, Joan (2010)
      Text en actes de congrés
      Accés obert
      This paper presents a solution for filtering current harmonics in three-phase four-wire networks based on the usage of a four-branch star (FBS) filter topology. The specific layout of single-phase inductors and capacitors ...
    • Grid connection control of VSC-based high power converters for wave energy applications 

      Mir Cantarellas, Antonio; Rakhshani, Elyas; Remón, D.; Rodríguez Cortés, Pedro (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In the wave energy sector, an increasing concern regarding the grid connection of wave energy converters is recently being experienced, as well as in the main challenges resulting from the grid integration of large scale ...
    • Influence analysis of the effects of an inductive-resistive weak grid over L and LCL filter current hysteresis controllers 

      Cobreces, Santiago; Bueno, E.; Rodríguez, Francisco J.; Huerta, F.; Rodríguez Cortés, Pedro (European Power Electronics Association, 2007)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The objective of this paper is to analyse the influence of a non-ideal grid over hysteresis controllers of converters connected to the grid through both L and LCL filters. The paper will describe the different possible ...
    • 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)
      Text en actes de congrés
      Accés obert
    • Mechanical tuning of substrate integrated waveguide filters 

      Mira, Fermin; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (IEEE Microwave Theory and Techniques Society, 2015-12-01)
      Article
      Accés obert
      This paper presents a novel approach for tuning substrate integrated waveguide resonators, realized by placing an additional metallized via-hole on the waveguide cavity. The approach presented here can be applied as a ...
    • Modeling tunable band-pass filters based on RF-MEMS metamaterials 

      Morata Cariñena, Marta; Gil Galí, Ignacio; Fernández García, Raúl (2011-02-01)
      Article
      Accés obert
      This work describes progress toward designing and modeling reconfigurable band-pass filters based on RF microelectromechanical systems (RF-MEMS) metamaterials. A device consisting of a coplanar waveguide structure that ...
    • Parametric design of stop band pass filter based on RF metamaterials in LTCC technology 

      Morata Cariñena, Marta; Gil Galí, Ignacio; Fernández García, Raúl (2012)
      Comunicació de congrés
      Accés obert
      This paper presents a novel approach to design a parametric RF stop band pass ¯lter based on Low Temperature Co-¯red Ceramic (LTCC) Technology. The LTCC technology enables to miniaturize and development compact structures ...
    • Proposal of a resonant controller for a three phase four wire grid-connected shunt hybrid filter 

      Candela García, José Ignacio; Rodríguez Cortés, Pedro; Luna Alloza, Álvaro; Teodorescu, R.; Blaabjerg, F. (2009-09)
      Comunicació de congrés
      Accés obert
      This paper present a three-phase four wire hybrid filter able to perform a selective cancellation of harmonic currents based on resonant controllers. As it will be shown in this work, this kind of control permits to ...
    • Remote power control strategy based on virtual flux approach for the grid tied power converters 

      Fazlin Roslan, Nurul; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      The control of active and reactive power for the Renewable Energy Sources (RES) based power plants are very important. The injection of active and reactive power to the grid is normally controlled at the Point of Common ...
    • Software development tool for the nonlinear analysis of BAW resonators and filters 

      Perea Robles, Rafael (Universitat Politècnica de Catalunya, 2017-07-17)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
    • Study of chaotic behavior in automatic tuning loops for continuous–time filters 

      Martínez García, Herminio (Universidad de Zaragoza (UZA), 2015)
      Text en actes de congrés
      Accés obert
      Continuous–time filters (CTFs) with automatic tuning loops are nonlinear feedback systems with potential instability. Thus, their appropriate linear dynamic modeling should be obtained to assure stability in case an improved ...
    • Synthesis of 4th order lossy filters with uniform Q distribution 

      Mateu Mateu, Jordi; Padilla Díaz, Alberto; Collado Gómez, Juan Carlos; Martínez-Mendoza, Mónica; Rocas Cantenys, Eduard; Ernst, Cristoph; O'Callaghan Castellà, Juan Manuel (IEEE Microwave Theory and Techniques Society, 2010)
      Text en actes de congrés
      Accés obert
    • Synthesis of high-efficiency electronically tunable switch-mode bandpass filters targeting low-power energy harvesting applications 

      Gomez Cid-Fuentes, Raül (Universitat Politècnica de Catalunya, 2011-07-12)
      Projecte/Treball Final de Carrera
      Accés obert
      Català: aquest treball considera la natura erràtica de les harvesting sources, tant en temps com en frequència. Es proposa la adaptació dinàmica dels capçals de harvesting per millorar la eficiència total. Per aquest ...
    • Third order intermodulation and thermal effects in electro-acoustic devices for communications 

      García Pastor, David (Universitat Politècnica de Catalunya, 2017-01-24)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
    • Third-Harmonic and intermodulation distortion in bulk acoustic-wave resonators 

      García Pastor, David; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Aigner, Robert (IEEE Microwave Theory and Techniques Society, 2019-12-17)
      Article
      Accés obert
      This article discusses on the measured third-order intermodulation (IMD3) products and third harmonics (H3) appearing in a set of six different solidly mounted resonators (SMR) and bulk acoustic-wave (BAW) resonators with ...
    • U-Band micromachined coaxial filter 

      Jaimes Vera, Edith Aline; Llamas Garro, Ignacio; Ke, Maolong; Wang, Yi; Lancaster, Michael J.; Pradell i Cara, Lluís (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a micromachined filter for millimeter-wave applications operating at U-band. The structure was designed using a rectangular coaxial line with the center conductor suspended in air. The rectangular coaxial ...
    • Uniplanar bandpass filters based on multimodal immitance inverters and end-coupled slotline resonators 

      Contreras Lizarraga, Adrián Arturo; Ribó, Miquel; Pradell i Cara, Lluís; Blondy, Pierre (IEEE Microwave Theory and Techniques Society, 2013)
      Article
      Accés restringit per política de l'editorial
      This paper presents the design and implementation of uniplanar bandpass filters that use end-coupled slotline resonators and a new kind of multimodal immitance inverter. These inverters are based on an asymmetric ...
    • X-band UAV-SAR optimization and validation 

      Royo, Miquel (Universitat Politècnica de Catalunya, 2018-07)
      Treball Final de Grau
      Accés obert
      This project consists on the improvement of an already validated System, as it is the work of a finished PhD Thesis. Due to the wide range of that thesis, many sub blocs need to be revaluated and optimized. That is the ...