Exploració per tema "Electric filters"

Ara es mostren els items 1-20 de 35

  • 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
    Accés restringit per política de l'editorial
    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 comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter 

    Roslan, Nurul Fazlin; Suul, Jon Are; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016)
    Text en actes de congrés
    Accés obert
    Grid connected Voltage Source Converters (VSCs) with LCL filters usually have voltage measurements at the filter capacitors, while it can be important to control the active or reactive power injection at the grid-side of ...

  • Analysis on capability of harmonic damping using active filter acting as resistive harmonic impedance 

    Hasan, Khurshid N Md; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents the analysis of shunt active filter (SAF) in harmonic damping. SAF with voltage-based detection control act as an active damping and able to attenuate harmonic propagation throughout the power distribution ...

  • An inverter dead-time feedforward compensation scheme for PMSM sensorless drive operation 

    Diallo, Demba; Arias Pujol, Antoni; Cathelin, Joël (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this paper, we propose a feedforward compensation scheme of the inverter dead-time to improve the performances of a sensorless Permanent Magnet Synchronous Machine (PMSM) drive at low speed and low load torque. Based ...

  • A novel tunable multimodal bandpass filter 

    Contreras Lizarraga, Adrián Arturo; Pradell i Cara, Lluís; Ribó, M. (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a novel uniplanar tunable bandpass filter. In this filter, each resonator can be reconfigured easily using PIN diodes or MEMS switches. Design equations are derived from a simple circuit model which ...

  • Aplicación de la tecnología IPEM en la realización de filtros EMI 

    Romani Buschman, Joan (Universitat Politècnica de Catalunya, 2015-06-30)
    Projecte/Treball Final de Carrera
    Accés obert
    In this project will be studied the principles of the IPEM (Integrated Power Electronics Moduls) Technology and will be applied in the design of an electromagnetic interference (EMI) filter

  • A three-phase hybrid filter for medium voltage applications using an H-bridge 

    Candela García, José Ignacio; Rodríguez Cortés, Pedro; Nisak, Khairul; Rauma, Kalle; Hermoso Costa, Juan Ramón; Etxeberria, Ion (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a new solution for filtering current harmonics in three-phase thee-wire medium voltage networks. The hybrid filter topology presented in this paper is characterized by the use of an HBridge instead ...

  • Comparison of lossy filters and predistorted filters using novel software 

    Padilla Díaz, Alberto; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Ernst, Cristoph; Rius Casals, Juan Manuel; Tamayo Palau, José María; O'Callaghan Castellà, Juan Manuel (IEEE Microwave Theory and Techniques Society, 2010)
    Comunicació de congrés
    Accés obert

  • Control of an active rectifier with an inductive-capacitive-inductive filter using a twisting based algorithm 

    Dòria Cerezo, Arnau; Puleston, Paul; Kunusch, Cristian (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a novel controller for an active rectifier with an inductive-capacitive-inductive filter. The proposed control scheme comprises two levels. The internal level, is a current controller based on the ...

  • 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)
    Text en actes de congrés
    Accés obert
    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 ...

  • Current harmonics cancellation in three-phase four-wire systems by using a four-branch star filtering topology 

    Rodríguez Cortés, Pedro; Candela García, José Ignacio; Luna Alloza, Álvaro; Asiminoaei, Lucian; Teodorescu, R.; Blaabjerg, F. (2009-08)
    Article
    Accés obert
    This paper presents a new solution for filtering current harmonics in three-phase four-wire networks. The original four-branch star (FBS) filter topology presented in this paper is characterized by a particular layout ...

  • Design and implementation of an interpolation filter for hearing-aid application 

    Llimós Muntal, Pere (Universitat Politècnica de Catalunya / Denmarks Tekniske Universitet (Technical University of Denmark), 2011)
    Projecte/Treball Final de Carrera
    Accés obert
    Abstract – In this master thesis the design and implementation of an interpolation filter for hearing-aid applications will be discussed. The aim of the design will be to minimize the current consumption, hardware ...

  • Design of AC-DC power converters with LCL + tuned trap line filter using Si IGBT and SiC MOSFET modules 

    Piasecki, S.; Mir Cantarellas, Antonio; Rabkowski, J.; Rodríguez Cortés, Pedro (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a method for improving the design procedure of AC-DC power converters for power generation applications. The proposed methodology is based on selection of the most convenient configuration, in terms ...

  • Differential and common-mode filters based on metamaterial resonators 

    Gil Galí, Ignacio; Fernández García, Raúl (2013)
    Comunicació de congrés
    Accés obert
    Two different techniques based on metamaterials for mitigating both the differential and common-mode propagation in differential signaling are addressed. The proposed filters are implemented by means of complementary ...

  • Differential- and common-mode radiofrequency interference filters based on complementary split ring resonators: a conduction and radiation impact analysis 

    Gil Galí, Ignacio; Fernández García, Raúl (2015-01-22)
    Article
    Accés obert
    This paper aims to analyse the design techniques of differential transmission lines loaded with metamaterials. Specifically, complementary split-ring resonators were etched on the ground plane of a microstrip transmission ...

  • Diseño de filtros de microondas de banda eliminada multimodales 

    Moreno Barreiro, Ignacio (Universitat Politècnica de Catalunya, 2013-12-18)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] This project presents the design of two new typologies of multimodal band-stop filters. Synthesis techniques are developed to obtain multimodal circuits to get a specific central frequency and a determinate ...

  • Estudio de la amplificación aparente de armónicos con la colocación de filtros en redes industriales 

    Fernández Pereira, Cristian (Universitat Politècnica de Catalunya, 2014-09)
    Projecte/Treball Final de Carrera
    Accés obert

  • Filter Design for the Spectral Optimization of UWB Signals 

    Torrens Palau, Christian (Universitat Politècnica de Catalunya, 2009-10-20)
    Projecte/Treball Final de Carrera
    Accés obert

  • Filtro uniplanar multimodal reconfigurable 

    Contreras Lizarraga, Adrián Arturo; Ribó, M.; Pradell i Cara, Lluís (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A uniplanar filter based on two coplanar-waveguide odd-mode resonators is presented. The resonator feeding point is easily reconfigured using PIN diodes. As a result, the filter features reconfigurable bandwidth. A multimodal ...

  • 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 ...