Departament d'Enginyeria Elèctrica
Enviaments recents
-
Localizaciones con impactos de rayos recurrentes : aportación a la distribución geográfica de rayos con corrientes extremas y a la caracterización de rayos que afectan aerogeneradores
(Universitat Politècnica de Catalunya, 2023-11-03)
Tesi
Accés obert(English) Nowadays, lightning presents a challenge to the proper functioning of an increasingly complex electrical system. One of the most sensitive and exposed to lightning elements are wind turbines. Due to their height ... -
Energy management systems for smart homes and local energy communities based on optimization and artificial intelligence techniques
(Universitat Politècnica de Catalunya, 2023-07-07)
Tesi
Accés obert(English) The rapid advancement of digitalization, combined with the integration of renewable generation and the development of information and communication technologies within the distribution network, is accelerating ... -
Enhanced flux-weakening control algorithm for permanent magnet synchronous machines
(Universitat Politècnica de Catalunya, 2023-05-15)
Tesi
Accés obert(English) EspinarThis thesis presents the overall state of the art of electric vehicles in terms of the technology of the main concepts in an electric powertrain: batteries, traction inverters, electric machines, and control ... -
Computational analysis of modern power systems with power electronics
(Universitat Politècnica de Catalunya, 2023-05-15)
Tesi
Accés obert(English) Modern power systems have been and will continue to be increasingly penetrated with power electronics at different voltage levels. Such high penetration of power electronics elements changes the nature of modern ... -
Power calculation algorithm under nonlinear loads and Hopf oscillator-based synchronization controller for grid-forming inverters in a microgrid
(Universitat Politècnica de Catalunya, 2023-01-23)
Tesi
Accés obert(English) In the grid-forming control of microgrids, the droop control is a widely used for the parallel operation of power inverters, but has some peculiarities as slow dynamic and inaccuracy in the power sharing. In the ... -
Dc-dc converters for HVDC heterogeneous interconnections
(Universitat Politècnica de Catalunya, 2022-12-01)
Tesi
Accés obert(English) High voltage direct current (HVDC) technologies have been used for bulk power transmission over long distances since the 1950s. These technologies have proven to be the most cost-efficient compared to the high ... -
Mathematical programming-based models for the distribution networks' decarbonization
(Universitat Politècnica de Catalunya, 2022-11-22)
Tesi
Accés obert(English) Climate change is pushing to decarbonize worldwide economies and forcing fossil fuel-based power systems to evolve into power systems based mainly on renewable energies sources (RES). Thus, increasing the energy ... -
Possibilities and limitations of active battery management systems for lithium-ion batteries
(Universitat Politècnica de Catalunya, 2022-10-27)
Tesi
Accés obert(English) Lithium-Ion Batteries (LIBs) are being used in more and more areas of application. At the same time, their chemical composition and their designs are constantly evolving. Major developments are also taking place ... -
Development of a VHF broadband interferometer to investigate unsolved lightning phenomena: high-energy radiation from lightning strikes and multi-stroke positive cloud-to-ground flashes
(Universitat Politècnica de Catalunya, 2022-10-28)
Tesi
Accés obert(English) The aim of this thesis work is the development of a VHF broadband interferometer for lightning research. The observations with this instrument allowed us to investigate some unsolved aspects of lightning related ... -
Aportació a l’anàlisi i gestió tècnica-econòmica dels sistemes de generació distribuïda amb energies renovables i microxarxes : introducció a la presa de decisions en el context normatiu actual
(Universitat Politècnica de Catalunya, 2022-10-21)
Tesi
Accés obert(English) In recent years, the development of a generation system based on renewable energies has become the backbone of the energy policies of most countries in the world in the search for the decarbonization of the energy ... -
From the production of the single cell to the end of life of the battery module: the development of parameter variation of lithium-ion cells
(Universitat Politècnica de Catalunya, 2022-10-27)
Tesi
Accés obert(English) In lithium-ion batteries, depending on the requirements, many individual cells are connected in series and parallel. Despite very similar individual cell parameters after production, they can develop differently ... -
Modular platform for research in microgrids
(Universitat Politècnica de Catalunya, 2022-07-15)
Tesi
Accés obertThe present Ph.D. thesis has been developed following an Industrial Ph.D. program and verses on developing a commercial piece of equipment for teknoCEA, a spin-off company from CITCEA-UPC. The thesis is centered on developing ...