Browsing by Subject "Energia elèctrica"
Now showing items 1-20 of 160
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A 250-ps integrated ultra-wideband timed array beamforming receiver in 0.18 um CMOS
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference lecture
Open AccessThis paper presents a 4-channel ultra-wideband (UWB) timed array beamforming receiver designed in a standard 0.18-um CMOS technology. The proposed timed array receiver achieves a maximum delay of 250 ps at the maximum beam ... -
A case of winter lightning initiation from a tall structure in the Basque Country
(2010)
Conference lecture
Restricted access - author's decisionLightning research is usually focused on the most active months of the year, those corresponding to the summer season. These thunderstorms produce most of the lightning records during a year in the Basque Country, and ... -
A device for improving the immunity of AC contactor during voltage dips
(2008-03)
Article
Open AccessThis paper describes an electronic device that enables AC contactors to ride through power quality dsturbances. The proposed device is connected to the contactor coil and consists of a power conversion excitation and hold-in ... -
A novel approach for voltage control of multi-terminal DC grids with offshore wind farms
(2013)
Conference lecture
Restricted access - publisher's policyThis paper proposes a novel control strategy in multi-terminal DC (MTDC) grids with offshore wind generation based on the idea of generalized voltage droop (GVD). In the proposed strategy, the GVD characteristics are ... -
A novel deep learning-based diagnosis method applied to power quality disturbances
(2021-05-02)
Article
Open AccessMonitoring electrical power quality has become a priority in the industrial sector background: avoiding unwanted effects that affect the whole performance at industrial facilities is an aim. The lack of commercial equipment ... -
A semi-analytical method for the design of coil-systems for homogeneous magnetostatic field generation
(2012)
Article
Restricted access - publisher's policyThis paper proposes a simple semi-analytical method for designing coil-systems for homogeneous magnetostatic field generation. The homogeneity of the magnetic field and the average magnitude of the magnetic flux density ... -
A service-constrained positioning strategy for an autonomous fleet of airborne base stations
(Universitat Politècnica de Catalunya, 2017-07)
Master thesis
Open AccessThis thesis proposes a positioning strategy for a fleet of unmanned aerial vehicles (UAVs) airlifting wireless base stations. First, two schedulers that model the distribution of resources within a single cell are analyzed. ... -
A simple and effective methodology for sizing electrical energy storage (EES) systems based on energy balance
(Elsevier, 2022-05)
Article
Restricted access - publisher's policyThe use of the electrical energy storage (EES) plays an important role in the transition of energy generation towards renewable energy sources (RESs). An effective sizing of EES systems is very important in order to cope ... -
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 ... -
Adaptive droop for primary control in MTDC networks with energy storage
(2013)
Conference lecture
Restricted access - publisher's policyMulti-terminal DC (MTDC) systems are drawing a lot of interest lately in applications related to distributed generation, especially in those that integrate wind or PV systems together with energy storage. This paper proposes ... -
Adaptive Volt-Var Control Algorithm to Grid Strength and PV Inverter Characteristics
(2021-04-16)
Article
Open AccessThe high-penetration of Distributed Energy Resources (DER) in low voltage distribution grids, mainly photovoltaics (PV), might lead to overvoltage in the point of common coupling, thus, limiting the entrance of renewable ... -
An Comparative Analysis of Load Demand Assessments for Mini Grids and Strategy Pro
(Universitat Politècnica de Catalunya, 2020-11-20)
Master thesis
Open AccessImproving energy access through the provision of sustainable electrification is fundamental to reducing poverty and facilitating development in many areas of rural Sub Saharan Africa. The region currently suffers from ... -
Analysis of the evolution of the regulatory framework for self-consumption in Denmark
(Universitat Politècnica de Catalunya, 2021-05-20)
Bachelor thesis
Restricted access - confidentiality agreement -
Anàlisi d'autoconsum elèctric d'un complex d'habitatges, mitjançant energies renovables, a Sant Martí Vell
(Universitat Politècnica de Catalunya, 2021-01-28)
Bachelor thesis
Restricted access - author's decisionEn aquest treball es desenvolupa el mètode per a l’estudi d’una instal•lació fotovoltaica d’autoconsum amb emmagatzematge per a abastir els consums elèctrics d’un complex d’habitatges a Sant Martí Vell. Es tracta d’una ... -
Anàlisi i simulació d’autoconsum col•lectiu mitjançant els paràmetres de repartició proposats al Reial Decret 244/2019
(Universitat Politècnica de Catalunya, 2021-05-20)
Bachelor thesis
Open AccessL’escalfament global i el canvi climàtic estan forçant als països a incentivar noves formes de consumir energia més sostenible i deixar enrere els combustibles fòssils. Seguint aquesta tendència l’estat espanyol va ... -
Análisis del sector eléctrico en España y el uso de las TIC
(Universitat Politècnica de Catalunya, 2013-07-18)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEl sector elèctric a Espanya està dividit en quatre activitats: la de generació d'energia, transport, distribució i la de comercializació. Cadascuna d'aquestes activitats té la seva funció definida i regulada per l'administració ... -
Análisis estratégico del sector energético: España y Cataluña
(Universitat Politècnica de Catalunya, 2012-01-01)
Master thesis
Restricted access - author's decisionEn el proyecto se realiza un análisis estratégico del sistema energético de España y Cataluña mediante un análisis tipo DAFO (Debilidades, Amenazas, Fortalezas y Oportunidades). El objetivo del análisis es concretar las ... -
Análisis multivariable aplicado al reconocimiento de patrones de descargas parciales en cables
(Universitat Politècnica de Catalunya, 2012-06-01)
Master thesis
Restricted access - author's decisionEn el presente proyecto se realiza una caracterización de patrones y comportamientos de las descargas parciales producidas por diferentes tipologías de defectos y medidas en varios tipos de cables eléctricos de media ... -
Análisis y simulación de la opción de cubrimiento de demanda con energía(s) alternativa(s) para situaciones de demanda en riesgo en sistemas de distribución de energía eléctrica
(Universitat Politècnica de Catalunya, 2010-01-01)
Master thesis
Restricted access - author's decision -
Aplicaciones eléctricas del acrilonitrilo butadieno estireno (ABS) reforzado con neumáticos fuera de uso (GTR)
(2012-06)
Article
Restricted access - publisher's policy
