Searched for: department:"Electrical%5C+Power%5C+Engineering"
(1 - 12 of 12)
document
Mehairjan, R.P.Y. (author)
Presently, maintenance management of assets in infrastructure utilities such as electricity, gas and water are widely undergoing changes towards new working environments. These are mainly driven against the background of stringent regulatory regimes, an ageing asset base, increased customer demands and constrained financial resources. Therefore,...
doctoral thesis 2016
document
Ting, Y. (author)
This thesis investigated the possibility of increasing the efficiency of a DC-DC converter over a wide load range and a wide input-voltage range based on the Single Active Bridge (SAB) topology with two approaches. The first approach involved making changes to the topology whereas the second made use of the concept of modularity. In the first...
doctoral thesis 2015
document
Jin, H. (author)
In many applications of high voltage engineering, electrical and thermal stresses increase due to an ongoing decrease of product dimensions. In particular, the electrical industry is interested in applying nanofluids in transformers to be able to decrease transformer size and weight. The requirement for nanofluids is to enhance the electrical...
doctoral thesis 2015
document
Wang, J. (author)
It is an inevitable trend that the power conversion module will have higher switching frequency and smaller volume in the future. Bandgap devices, such as SiC and GaN devices, accelerate the process. With this process, the parasitic elements in the module will probably have stronger influence on circuit operations than before. In this thesis,...
doctoral thesis 2014
document
Liu, Z. (author)
Power systems conventionally have been designed and operated to facilitate electrical energy transportation from large centralised power plants to distant load centres. It is currently under development towards the purpose of being able to facilitate more distributed generation from renewable energy sources (RES), for instance wind and solar...
doctoral thesis 2014
document
Koltunowicz, T.L. (author)
doctoral thesis 2014
document
Borisavljevic, A. (author)
There is a growing number of applications that require fast-rotating machines; motivation for this thesis comes from a project in which downsized spindles for micro-machining have been researched (TU Delft Microfactory project). The thesis focuses on analysis and design of high-speed PM machines and uses a practical design of a high-speed...
doctoral thesis 2011
document
Farkhondeh Jahromi, N. (author)
doctoral thesis 2011
document
Bang, D. (author)
In order to maximize the energy harnessed, to minimize the cost, to improve the power quality and to ensure safety together with the growth of the size, various wind turbine concepts have been developed during last three decades. Different generator systems such as geared and direct-drive generator systems have been developed. Based on energy...
doctoral thesis 2010
document
Ghezzi, L. (author), Balestrero, A. (author)
Modeling and Simulation of Low Voltage Arcs is an attempt to improve the physical understanding, mathematical modeling and numerical simulation of the electric arcs that are found during current interruptions in low voltage circuit breakers. An empirical description is gained by refined electrical measures and fiber optics based imaging. Ways to...
doctoral thesis 2010
document
Zhou, Y. (author)
As power capacities of single wind turbine, single wind park and total wind power installation are continuously increasing, the wind power begins to challenge the safety operation of the power system. This thesis focuses on the grid integration aspects such as the dynamic behaviours of wind power during disturbances, and dynamic behaviours of...
doctoral thesis 2009
document
Polinder, H. (author), van der Pijl, F.F.A. (author), de Vilder, G.J. (author), Tavner, P.J. (author)
journal article 2006
Searched for: department:"Electrical%5C+Power%5C+Engineering"
(1 - 12 of 12)