Browsing by Subject "Electric filters"
Now showing items 1-20 of 39
-
A comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter
(2017-08-23)
Article
Restricted access - publisher's policyGrid 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
(2016)
Conference report
Open AccessGrid 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 ... -
A novel tunable multimodal bandpass filter
(2011)
Conference report
Restricted access - publisher's policyThis 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 ... -
A three-phase hybrid filter for medium voltage applications using an H-bridge
(2011)
Conference report
Restricted access - publisher's policyThis 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 ... -
An inverter dead-time feedforward compensation scheme for PMSM sensorless drive operation
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyIn 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 ... -
Analysis on capability of harmonic damping using active filter acting as resistive harmonic impedance
(2013)
Conference report
Restricted access - publisher's policyThis 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 ... -
Aplicación de la tecnología IPEM en la realización de filtros EMI
(Universitat Politècnica de Catalunya, 2015-06-30)
Master thesis (pre-Bologna period)
Open AccessIn 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 -
Comparison of lossy filters and predistorted filters using novel software
(IEEE Microwave Theory and Techniques Society, 2010)
Conference lecture
Open Access -
Control of an active rectifier with an inductive-capacitive-inductive filter using a twisting based algorithm
(2013)
Conference report
Restricted access - publisher's policyThis 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
(Institute of Electrical and Electronics Engineers (IEEE), 2009)
Conference report
Open AccessThe 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
(2009-08)
Article
Open AccessThis 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
(Universitat Politècnica de Catalunya / Denmarks Tekniske Universitet (Technical University of Denmark), 2011)
Master thesis (pre-Bologna period)
Open AccessAbstract – 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
(2013)
Conference report
Restricted access - publisher's policyThis 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
(2013)
Conference lecture
Open AccessTwo 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
(2015-01-22)
Article
Open AccessThis 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
(Universitat Politècnica de Catalunya, 2013-12-18)
Master thesis (pre-Bologna period)
Open Access[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
(Universitat Politècnica de Catalunya, 2014-09)
Master thesis (pre-Bologna period)
Open Access -
Estudio diseño y validación de un filtro activo de 100 kVA
(Universitat Politècnica de Catalunya, 2019-06-10)
Bachelor thesis
Open AccessEste proyecto desarrolla el estudio, diseño y validación de un filtro activo en paralelo de 100 kVA para la eliminación de armónicos,potencia reactiva y desequilibrios enredes de 400 V. Por un lado, se estudiarán las ... -
Filter Design for the Spectral Optimization of UWB Signals
(Universitat Politècnica de Catalunya, 2009-10-20)
Master thesis (pre-Bologna period)
Open Access -
Filtro uniplanar multimodal reconfigurable
(2011)
Conference report
Restricted access - publisher's policyA 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 ...
