Alexandru, Mihaela (Date of defense: 2013-09-10)
Silicon Carbide (SiC) has received a special attention in the last decades thanks to its superior electrical, mechanical and chemical proprieties. SiC is mostly used for applications where Silicon is ...
Novoa Díaz, Daniel Fernando (Date of defense: 2014-05-14)
This work is a contribution to a measuring system based on ultrasonic techniques to analyse and monitor, in real time, malolactic fermentation (MLF) in red wine, both at industrial and semi-industrial ...
Gerling Sarabia, Luis Guillermo (Date of defense: 2017-11-15)
Crystalline silicon (c-Si) solar cells can be considered a highly industrialized and mature product with a record conversion efficiency of 26.6%, not far from the practical limit of 29.4% (for single ...
Camacho Santiago, Antonio (Date of defense: 2015-07-17)
The objective of this thesis is the development of control strategies for distributed generation systems during voltage sags. The proposed control strategies present different options to improve the ...
Florentín, Matthieu (Date of defense: 2016-05-20)
Silicon (Si) power device’ technologies have reached a high maturity level, but current limitations on mechanic, temperature operation and electric performances require to investigate other semiconductor ...
Ghorbani, Hamidreza (Date of defense: 2019-09-18)
Insulated gate bipolar transistor (IGBT) power semiconductors are widely employed in industrial applications. This power switch capability in high voltage blocking and high current-carrying has expanded ...
Masmitjà Rusiñol, Gerard (Date of defense: 2019-09-25)
The photovoltaic industry is mainly dominated by crystalline silicon (c-Si) solar cells, in which contact selectivity is usually achieved by doping the wafer surfaces with phosphorous (n+) and boron ...
Cabello Fusarés, Maria (Date of defense: 2019-12-02)
Although silicon (Si) is used in most current commercial power semiconductor components, Si capabilities are insufficient for new energy conversion requirements. Some of its important limitations are ...
Guzmán Solà, Ramon (Date of defense: 2016-10-14)
The present thesis is focused on the control of three-phase power converters using sliding-mode control (SMC) in abc frame. This work has been based on previous publications about the SMC applied to ...
Barrenechea Gruber, Roberto Carlos (Date of defense: 2019-01-11)
In this work, a new algorithm for the multiobjective optimization of low and medium voltage electrical grids and microgrids is proposed. The originally nonlinear planning model is linearized using the ...