Exploració per tema "Enginyeria elèctrica"
Ara es mostren els items 1-20 de 120
-
20/30 GHz front-end for the TMS-7 receiving station of the OLYMPUS satellite
(1989)
Text en actes de congrés
Accés obertThe authors present the 20/30-GHz front-end of the TMS-7 station for performing the measurement of the flux density of one or more signal carriers received from the OLYMPUS satellite. The front-end is composed of two ... -
A 3-D Pareto-based shading analysis on solar photovoltaic system design optimization
(2018-06-20)
Article
Accés obert -
A Multiple-Reference Complex-Based Controller for Power Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12-01)
Article
Accés obertA multiple-reference complex-based controller is proposed for three-phase power converters feeding nonlinear and unbalanced loads. The control scheme incorporates a stable multiple-complex coefficient filter with bandwidths ... -
A new "doctor and patient" optimization algorithm: An application to energy commitment problem
(MDPI, 2020-08-21)
Article
Accés obertRegular assessments of events taking place around the globe can be a conduit for the development of new ideas, contributing to the research world. In this study, the authors present a new optimization algorithm named doctor ... -
A new LPF-based grid frequency estimation for the SOGI filter with improved harmonic rejection
(2018)
Comunicació de congrés
Accés obertThis paper proposes a new method for the estimation of the grid voltage frequency using a low-pass filter (LPF) approach. The estimated frequency is used to tune a second order generalized integrator (SOGI) filter commonly ... -
A non-centralized predictive control strategy for wind farm active power control: A wake-based partitioning approach
(Elsevier, 2020)
Article
Accés obertOwing to wake effects, the power production of each turbine in a wind farm is highly coupled to the operating conditions of the other turbines. Wind farm control strategies must take into account these couplings and produce ... -
A novel active gate driver for improving SiC MOSFET switching trajectory
(Institute of Electrical and Electronics Engineers (IEEE), 2017-11-01)
Article
Accés obertThe trend in power electronic applications is to reach higher power density and higher efficiency. Currently, the wide band-gap devices such as silicon carbide MOSFET (SiC MOSFET) are of great interest because they can ... -
Acondicionadores de energía distribuidos en redes de paneles fotovoltaicos
(Universitat Politècnica de Catalunya, 2012-07-20)
Treball Final de Grau
Accés obertActualmente existen gran variedad de aplicaciones que se alimentan gracias a pequeños sistemas fotovoltaicos. La potencia eléctrica que suministran los paneles fotovoltaicos varía en función de factores como la iluminación ... -
Adaptive vector control of wave energy converters
(2017-05-01)
Article
Accés restringit per política de l'editorialMany grid connection concerns, such as maximum power absorption and improved power quality, are increasingly gaining research interest in the wave energy sector, as several wave energy converter (WEC) concepts approach ... -
Advanced AlGaN/GaN HEMT technology, design, fabrication and characterization
(Universitat Politècnica de Catalunya, 2013-07-23)
Tesi
Accés obertNowadays, the microelectronics technology is based on the mature and very well established silicon (Si) technology. However, Si exhibits some important limitations regarding its voltage blocking capability, operation ... -
An enhancing fault current limitation hybrid droop/V-f control for grid-tied four-wire inverters in AC microgrids
(Multidisciplinary Digital Publishing Institute, 2018-09-22)
Article
Accés obertMicrogrid integration and fault protection in complex network scenarios is a coming challenge to be faced with new strategies and solutions. In this context of increasing complexity, this paper describes two specific ... -
An interpolation method to calibrate electromagnetic probes in semi-anechoic chambers
(2012)
Article
Accés restringit per política de l'editorialBased upon the standard IEEE 1309, a new calibration method for electromagnetic (EM) probes is proposed. The aforementioned method compares the electric field strength measured with the EM probe subject to calibration with ... -
Analysis of MMC energy-based control structures for VSC-HVDC links
(Institute of Electrical and Electronics Engineers (IEEE), 2018-02-06)
Article
Accés obert -
Aplicación de MOSFETs de carburo de silicio (SiC) en inversores fotovoltaicos conectados a red
(2015)
Text en actes de congrés
Accés obert -
Aportación a la determinación de parámetros de los modelos en la máquina asincrona para una mejor estimación y/o observación de variables no medibles para el control de la misma.
(Universitat Politècnica de Catalunya, 2001-11-30)
Tesi
Accés obertQuan analitzem el funcionament de les màquines elèctriques dubtem en l'elecció d'un o altre conjunt de variables, models o joc de paràmetres. En el treball que segueix hem trobat, molt sovint, resultats que es contradiuen ... -
Application of DInSAR techniques to the monitoring of ground deformations
(Universitat Politècnica de Catalunya, 2014-05-09)
Tesi
Accés obert
Realitzat a/amb: Università degli Studi di Napoli Federico IIThe aim of the present thesis has been to test the applicability of the innovative Advanced DInSAR techniques in the natural risk mitigation related to subsidence phenomena. In particular, two test sites have been chosen, ... -
Automatització d'un grup electrogen per la cárrega de bateries mitjançant microcontroladors
(Universitat Politècnica de Catalunya, 2009-05)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorEl projecte que es presenta a continuació tracta sobre la necessitat d’una font d’alimentació en moments puntuals per carregar un grup de bateries. Això es fa degut al fet que la major part d’acumuladors es malmeten quan ... -
Cap a un futur sostenible. Les fonts d’energia renovable i l’emmagatzematge eficient d’energia elèctrica
(2023-12-29)
Article
Accés obertEn un món cada vegada més conscient dels seus impactes ambientals, les fonts d’energia renovable es converteixen en la clau per assegurar un futur sostenible. Amb aquest article volem explorar breument la importància ... -
Caracterización del comportamiento eléctrico, mecánico y térmico de compuestos poliméricos y con mezclas provenientes del reciclaje
(Universitat Politècnica de Catalunya, 2011-09-06)
Tesi
Accés obertThis doctoral thesis studies the physical properties of polymeric composite materials, with the addition of ground tire rubber particles (GTR) and the use of any of these compounds for the electrical industry, either as a ... -
Circuit model for mode conversion in coplanar waveguide assymmetric series-impedances
(Institution of Electrical Engineers, 1999-10)
Article
Accés obertA new 'circuit model' for converting between even and odd modes in asymmetric series impedances in the ground plane of a coplanar waveguide is presented. The model is based on the separation of modes into two input and two ...