Zaragoza Bertomeu, Jordi (Date of defense: 2011-11-25)
Els convertidors multinivell són topologies de convertidors d’electrònica de potència que poden generar tres o més nivells de voltatge en cadascuna de les fases de sortida. Com a resultat, els voltatges ...
Urresty Betancourt, Julio César (Date of defense: 2012-09-21)
Permanent magnet synchronous motors (PMSMs) are an alternative in critical applications where high-speed operation, compactness and high efficiency are required. In these applications it is highly ...
Arias Pujol, Antoni (Date of defense: 2001-03-01)
This thesis is mainly devoted to the investigation of speed control methods for three phase cage induction motors with particular emphasis being given to Direct Torque Control (DTC) improved ...
Pons Solé, Marc (Date of defense: 2012-10-02)
In nowadays nanometer technology nodes, the semiconductor industry has to deal with the new challenges associated to technology scaling. On one hand, process developers face increasing manufacturing ...