Browsing by Subject "Energia elèctrica"
Now showing items 1-20 of 120
-
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 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 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 ... -
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 ... -
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 ... -
Aplicaciones eléctricas del acrilonitrilo butadieno estireno (ABS) reforzado con neumáticos fuera de uso (GTR)
(2012-06)
Article
Restricted access - publisher's policy -
Aportació a la gestió energètica amb energies renovables
(Universitat Politècnica de Catalunya, 2015-05-05)
Bachelor thesis
Restricted access - confidentiality agreement -
Aportación a la distribución de energía eléctrica. Aportación al sector eléctrico español
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-02)
Master thesis
Restricted access - author's decisionEl presente proyecto pretende proporcionar una visión global del marco normativo del Sistema Eléctrico Español, a través de la revisión de la evolución de la Ley del Sector Eléctrico desde el inicio del proceso de ... -
Aportación al estudio de instalaciones de autoconsumo de energía eléctrica
(Universitat Politècnica de Catalunya, 2016-10-11)
Bachelor thesis
Restricted access - author's decisionEl passat mes d'octubre del 2015 es va aprovar, sense consens tècnic ni polític, el Reial Decret 900/2015, el qual regula per primera vegada les condicions tècniques i econòmiques de les modalitats de subministre d'energia ... -
Application of imperialist competitive algorithm to design an optimal controller for LFC problem
(2012)
Conference report
Restricted access - publisher's policyA novel optimization algorithm is presented to improve the design of optimal controllers for load frequency control problem. This algorithm is applied for two area LFC system with using an output feedback controller. In ... -
Arc tracking control in insulation systems for aeronautic applications: challenges, opportunities, and research needs
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-16)
Article
Open AccessNext generation aircrafts will use more electrical power to reduce weight, fuel consumption, system complexity and greenhouse gas emissions. However, new failure modes and challenges arise related to the required voltage ... -
Assisting passive anti-islanding proposal for Voltage-Controlled Voltage-Source-Inverters
(2018)
Conference lecture
Restricted access - publisher's policyLoss of mains detection strategies based on voltage and frequency displacements, passive or active, have been widely applied and conventionally thought for current controlled voltage source inverters. Its effectiveness is ... -
Auditoria energètica i propostes en el sector de la restauració
(Universitat Politècnica de Catalunya, 2019-01-21)
Bachelor thesis
Restricted access - author's decisionAquest projecte té com a finalitat fer una auditoria energètica d’un local dedicat en el sector de la restauració. Per aquest motiu reuniré informació i dades d’una empresa (maquinaria, factures, subministraments contractats, ... -
Behaviour of the doubly fed induction generator exposed to unsymmetrical voltage sags
(2012-09)
Article
Restricted access - publisher's policyThis study analyses the dynamic behaviour of the doubly fed induction generator exposed to unsymmetrical voltage sags, providing insights into wind turbine fault ride-through capability. The sags are assumed to be caused ... -
Centrales electricas minihidraulicas: aplicacion en una zona rural subdesarrollada
(2009-07)
Article
Open AccessLa implementación de microcentrales hidroeléctricas en zonas subdesarrolladas permite acceder a la energía eléctrica a comunidades rurales, cuando las dificultades para disponer del suministro a partir de las líneas ... -
Cogeneración para suministro de agua y electricidad
(Universitat Politècnica de Catalunya, 2015-10-14)
Bachelor thesis
Restricted access - author's decisionEl present projecte pretén estudiar la viabilitat tècnica i econòmica del subministrament d'energia tèrmica i elèctrica generada per una central de cogeneració i calderes de gas per a un hotel, definint i valorant totes ...