Programa de Doctorat en Enginyeria Elèctrica: Recent submissions
Now showing items 81-100 of 154
Operation and control of transmission systems for offshore wind power plants
This thesis deals with grid integration of oshore wind power plants through HVDC (High Voltage Direct Current) or HVAC (High Voltage Alternating Current) transmission . The behaviour of wind farms and their transmission ...
Sistema d'anàlisi i planificació de xarxes de distribució d'energia elèctrica de mitjana tensió
The optimal planning of the annual development tasks of a medium voltage power distribution network, to tackle the evolution of the demand with maximum levels of quality and continuity of service and minimum investment, ...
Electricitat i foc: aportacions experimentals d'aplicació docent
According to reliable statistics, electrical fire ignition sources have a notable impact regarding the generation of fires and explosions. Electrical equipment and installations can also be the victims of fire. This is due ...
Aporte a la sostenibilidad y eficiencia energética de las viviendas de interés social de la zona intertropical : caso América del Sur
The present work is framed in the area of the EE, raising main objectives: * The study and analysis of the State of energy efficiency in some Latin American countries * Analyze regulations, rules and standards in force ...
Control of voltage source converters for distributed generation in microgrids
Microgrids are the near future candidate to reduce the dependence on the carbon-based generation, towards a more environmentally friendly and sustainable energy paradigm. The popularization of the use of renewable energy ...
Control and operation of multi-terminal VSC-DC networks
For the past century, ac networks have been established as the standard technology for electrical power transmission system s. However, the de technology has not disappeared completely from this picture. The capability of ...
Análisis de la actividad de rayos y de tormentas relacionadas con la producción de rayos gamma terrestres
Terrestrial Gamma ray Flashes (TGFs) have been known since 20 years ago, but since the first moment of the discovery it was clear that they were related to lightning and thunderstorms. The latest studies revealed that TGFs ...
Analysis and design of fault tolerant axial flux permanent magnet synchronous motors
Electric vehicles (EVs) are attractive comparted to internal combustion engine powered vehicles due to several benefits, including low emissions, higher efficiency, less maintenance costs, stronger acceleration or lower ...
Assessment of color quality and energy effciency : new insights for modern lighting. Part I : color quality in general lighting applications. Part II : mesopic photometry and street lighting
This dissertation is divided in two parts: The first one deal with two main characteristics of the light sources for general lighting: Color quality and luminous efficacy. The second one deals with technical aspects of the ...
Sostenibilidad técnica, económica y ambiental de flotas comerciales de vehículos eléctricos
This doctoral thesis analyses whether electric vehicle is technical, economic and environmental sustainable. We have studied a company fleet of electric vehicles which has a carsharing service for the retail department to ...
Caracterización armónica de dispositivos de iluminación de eficiencia energética
This doctoral thesis is presented as a compendium of six (6) articles published in Science Citation Index journals. The work proposes harmonic models of some of the most common energy efficient lighting devices in electrical ...
Reducció del mode comú en convertidors Back-2-Back
This work deals with the study of Back-2-Back converters, with special emphasis on its effects on the common mode. For the study performed, a review of the different known causes for bearing currents and the contribution ...
Multiterminal HVDC transmissions systems for offshore wind
Offshore wind is emerging as one of the future energy vectors. Offshore wind power plants locations provide more strong and constant wind speed that allows to extract more power compared to onshore locations. In addition, ...
Design, operation and control of novel electrical concepts for offshore wind power plants
Offshore wind is an emerging energy sector with a huge potential to be tapped in the near future. Offshore Wind Power Plants (OWPPs) are becoming increasingly relevant in Europe and worldwide mainly because the wind speeds ...
Probabilistic analysis to assess the impact of the charge of electric vehicles on distribution grids under normal operation
The incorporation of high levels of small-scale non-dispatchable distributed generation is leading to the transition from the traditional 'vertical' power system structure to a 'horizontally-operated' power system, where ...
Aportación al desarrollo de las normas técnicas y reglamentación para la implantación de los sistemas electrónicos para viviendas y edificios : domótica, inmótica y hogar digital
Although the term “domotics” is not absolutely unknown, there are a great number of cases where this term has been associated with a complicated and luxury technology, intended to ease life in houses and buildings but that ...
Experimental validation of optimal real-time energy management system for microgrids
Nowadays, power production, reliability, quality, efficiency and penetration of renewable energy sources are amongst the most important topics in the power systems analysis. The need to obtain optimal power management and ...
Power converter optimal control for wind energy conversion systems
L'energia eòlica ha incrementat la seva presència a molts països i s'espera que tingui encara un pes més gran en la generació elèctrica amb la implantació de la tecnologia eòlica marina. En aquest context el desenvolupament ...
Control activo de ruido de baja frecuencia de maquinaria industrial en un campo de baja densidad modal, mediante el encapsulado de sus fuentes de ruido
Normally, there are in use certain technologies of reduction of noise named passive, in the cancellation of the noise produced by industrial machinery. These technologies can be applied directly on the source (use of ...
Contributions of flywheel systems in wind power plants
The stepwise replacement of conventional power plants by renewable-based ones such as wind power plants could a ect the system behaviour and planning. First, the network stability may be compromised as it becomes less ...
