Mostrando ítems 1-10 de 34
Adabi Firouzjaee, Mohammad Ebrahim (Fecha de defensa: 2018-01-25)
The solid state transformer (SST) is seen as a proper replacement of the conventional iron-and-copper transformer in the future smart grid . The SST offers several benefits (e.g. enhanced power quality ...
Monadi, Mehdi (Fecha de defensa: 2016-12-14)
The integration of renewable energy resources (RES), as a type of distributed generation (OG) units, is increasing in distribution, systems. This integration, changes the topology, performance and the ...
Schaefer, Markus (Fecha de defensa: 2017-11-08)
Control schemes for inverters of different topologies and various numbers of voltage levels are of great interest for many standard as well as special applications. This thesis describes a novel, robust ...
Cavalheiro, David (Fecha de defensa: 2017-05-19)
There has been a tremendous evolution in integrated circuit technology in the past decades. With the scaling of complementary metal-oxide-semiconductor (CMOS) transistors, faster, less power consuming ...
Solh Joukhah, Zahra (Fecha de defensa: 2017-10-27)
The present PhD thesis deals with transformer inrush current in offshore grids including offshore wind farms and High Voltage Direct Current (HVDC) transmission systems. The inrush phenomenon during ...
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, ...
Marín Genescà, Marc (Fecha de defensa: 2011-09-06)
This doctoral thesis studies the physical properties of polymeric composite materials, with the addition of ground tire rubber particles (GTR) and the use of any of these compounds for the electrical ...
Cabrera Tobar, Ana Karina (Fecha de defensa: 2018-06-04)
This thesis focuses on the operation and control of Large Scale Photovoltaic Power Plants (LS-PVPPs) according to grid code requirements with a special focus on the basic unit: the PV generator. The aim ...
Elsaharty, Mohamed Atef Abbas (Fecha de defensa: 2018-07-06)
This PhD dissertation proposes a new transformer, i.e., the Custom Power Active Transformer, characterized by a specific design of its magnetic circuit and auxiliary windings which allows shunt and ...
Schönleber, Kevin (Fecha de defensa: 2018-02-09)
Remote offshore wind power plants (WPPs) are being linked through high-voltage de voltage-source converter (VSC-HVdc) transmission to the main grids. The current deployments of HVdc grid connections for ...