Rojas Dueñas, Gabriel (Date of defense: 2022-01-11)
Nowadays, many industries are moving towards more electrical systems and components. This is done with the purpose of enhancing the efficiency of their systems while being environmentally friendlier and ...
Oeser, David (Date of defense: 2022-10-27)
(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 ...
Fuentes Ruiz, Sergio (Date of defense: 2021-10-22)
Climate change is real. Global human population is growing as never before. Natural resources are limited. These factors have taken different countries to embrace new pathways in order to fulfill the ...
Rey Fernández, José Antonio (Date of defense: 2021-08-04)
This doctoral thesis investigates the current distribution in a wind turbine blade when it is struck by lightning. The thesis focuses on the problem of current distribution in blades with carbon fiber ...
Urbani, Michele (Date of defense: 2022-10-28)
(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 ...
Ziegler, Andreas Rainer (Date of defense: 2022-10-27)
(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 ...
Gómez Acero, Daniel Hernando (Date of defense: 2022-12-01)
(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 ...
Sánchez Sánchez, Enric (Date of defense: 2020-12-21)
High Voltage Direct Current (HVDC) is a power electronics -based technology that enables the transmission of large amounts of power over long distances, the integration of remote offshore wind power to ...
Verdugo Retamal, Cristian Andrés (Date of defense: 2021-07-23)
Most of large scale photovoltaic systems are based on centralized configurations with voltage source converters of two or three output voltage levels connected to photovoltaic panels. With the development ...
Lledó Ponsati, Tomàs (Date of defense: 2022-07-15)
The 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 ...