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 ...
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 ...
García Quintanilla, José Ignacio (Date of defense: 2022-01-17)
With the increasing development of renewable energy sources and their integration into the grid, international standards require next-generation plants to achieve the same levels of reliability and ...
Abdali Nejad, Sajad (Date of defense: 2022-07-19)
The scope of this thesis is related to the enhancement of the operation of distributed generators (DGs) based on renewable energies (REs) when connected to the conventional grid network. Synchronization ...
Tarrasó Martínez, Andrés (Date of defense: 2022-02-22)
During the last century, the electrical energy infrastructures have been governed by synchronous generators, producing electrical energy to the vast majority of the population worldwide. However, power ...
Arcanjo, Marcelo Augusto Sousa (Date of defense: 2022-03-04)
This thesis presents an investigation on the signatures of corona discharges from grounded rods under thunderstorms and in the laboratory, with optical detections in the 337/777 nm wavelengths for high ...
Saura Perisé, Jaime (Date of defense: 2022-06-22)
This doctoral thesis has been developed to provide a new point of view and a new approach to the analysis and study of uncontrolled bridge rectifiers. The methodology developed has been generalized to ...