Mostrando ítems 21-30 de 157
Tubau Navarro, Eduard (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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) (Fecha de defensa: 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 (Fecha de defensa: 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 - Ingeniería eléctrica. Electrotecnia. Telecomunicaciones (141)
537 - Electricidad. Magnetismo. Electromagnetismo (18)
621 - Ingeniería mecánica en general. Tecnología nuclear. Electrotecnia. Maquinaria (12)
62 - Ingeniería. Tecnología (10)
620 - Ensayo de materiales. Materiales comerciales. Economía de la energía (9)