Tubau Navarro, Eduard (Date of defense: 2001-12-10)
Debido al aumento de la presencia de dispositivos no lineales en los Sistemas Eléctricos de Potencia existe un creciente interés en la formulación y resolución del flujo de cargas en presencia de ...
Zhang, Weiyi (Date of defense: 2017-06-01)
The installation of power generation systems based on renewable energy sources has been increasing exponentially over the last decades. However, in spite of the well-known merits of such energy sources, ...
Bergas Jané, Joan (Date of defense: 2000-07-28)
1.1 Objectius de la tesi.<br/>En els últims anys el control del parell i de la velocitat del motor d'inducció ha estat llargament estudiat. Un cop s'ha considerat que les prestacions dinàmiques assolibles ...
Westerman Spier, Daniel (Date of defense: 2022-06-30)
Modular Multilevel Converters (MMCs) are a type of Voltage Source Converter (VSC) which have become the preferred topology choice for High Voltage Direct Current (HVDC) applications. Compare to its HVDC ...
Vázquez Guzmán, Gerardo (Date of defense: 2013-02-04)
Electrical Energy generation is an issue that is continuously cause of concern around the world. Many efforts have been done in this sense to cover the requirements of the constantly growing in the ...
Belandria, Luciano Emilio (Date of defense: 2015-09-18)
The phase-locked loop (PLL) is an element of a grid-connected converter system, which provides phase angle and frequency measurements of the grid voltage. The PLL takes care of control the synchronization ...
Gratacòs Prats, Jaume (Date of defense: 2016-01-18)
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 ...
Junyent Ferré, Adrià (Date of defense: 2011-07-15)
The present PhD thesis analyzes the modelling and control of the two main topologies of large scale variable speed wind turbines, the doubly fed induction generator and the permanent magnet synchronous ...
Fabró, F. (Ferran) (Date of defense: 2015-03-05)
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 ...
Martínez Teixidor, Immaculada (Date of defense: 1998-01-20)
En el presente trabajo se pretende analizar el consumo de potencia reactiva y la distorsión armónica en el puente trifásico con carga activa resistivo-inductiva, con el objeto de disminuir ambas vertientes ...
621.3 Electrical engineering (141)
537 - Electricity. Magnetism. Electromagnetism (18)
621 - Mechanical engineering in general. Nuclear technology. Electrical engineering. Machinery (12)
62 - Engineering. Technology in general (10)
620 - Materials testing. Commercial materials. Power stations. Economics of energy (9)