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 ...
Resch, Matthias (Date of defense: 2019-01-31)
The increasing integration of renewable energy installations at the distribution grid level has led to a strong increase in grid reinforcement measures in recent years. Since the costs are being passed ...
Gomila González, Marcos (Date of defense: 2016-06-07)
The nature of the SRM (Switched Reluctance Motor) makes this type of motor one of the candidates to investigate over the next few years. Its mechanical development is simple and inexpensive, but requires ...
Fillet Castella, Sergi (Date of defense: 2014-09-19)
This work deals with the study of Back-2-Back converters, with special emphasis on its effects on the common mode. For the study performed, a review of the different known causes for bearing currents ...
Sánchez Sánchez, Enric (Date of defense: 2020-12-21)
High Voltage Direct Current (HVDC) is a power electronics -based technology that enables the transmission of large amounts of power over long distances, the integration of remote offshore wind power to ...
Verdugo Retamal, Cristian Andrés (Date of defense: 2021-07-23)
Most of large scale photovoltaic systems are based on centralized configurations with voltage source converters of two or three output voltage levels connected to photovoltaic panels. With the development ...
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 ...
Mendoza Vizcaino, Fco. Javier (Date of defense: 2019-01-29)
The electric generation systems on islands are based generally on fossil fuel. This fact and its supply make the electricity cost higher than in systems used in the continent. In this thesis, as a first ...
Pegueroles Queralt, Jordi (Date of defense: 2015-07-20)
Microgrids are the near future candidate to reduce the dependence on the carbon-based generation, towards a more environmentally friendly and sustainable energy paradigm. The popularization of the use ...
Munné Collado, Íngrid (Date of defense: 2021-10-01)
On the way towards a low carbon electricity system, flexibility has become one of the main sources for achieving it. Flexibility can be understood as the ability of a power system to cope with the ...