Author Archives: Kostas Latoufis

‘Local control of distributed generation at off-grid microgrids’

Abstract This thesis presents various types of droop control methods in single-phase, isolated, low-voltage microgrids, for inverters connected in parallel that support a common load. The main feature of the project was the controlled sharing of power (active and reactive) … Continue reading

Posted in Uncategorized

‘Electrification of rural areas in developing countries’

Abstract Subject of this thesis is to study and review the best practices of rural electrification technologies in developing countries and to perform a simulation for the electrification of a small community in the Dejen District of Ethiopia. The Homer … Continue reading

Posted in Uncategorized

‘Real-time simulation of off-grid hybrid systems’

Abstract In recent years, the integration of Renewable Sources of Energy in hybrid islanded grids has been significant, thus it is imperative to develop power control techniques to ensure the stable operation and reliability of system. In this diploma thesis, … Continue reading

Posted in Uncategorized

‘Design of axial flux permanent magnet generators for optimum turbine power matching of locally manufactured small wind turbines in direct battery charging applications’

Abstract The object of this thesis is the study and simulation of the connection of small wind turbines in battery based systems and the creation of a simulation that maximizes the energy production, based on the optimal cable cross-section and … Continue reading

Posted in Uncategorized

‘Acoustic measurements of locally manufactured small wind turbines’

Abstract Subject of the present thesis is the study of the acoustic noise of a locally manufactured small wind turbine and the effect of current harmonics that are created by the use of uncontrolled diode bridge rectifiers in battery connected … Continue reading

Posted in Uncategorized

‘Distributed manufacturing for rural electrification – 3D printing runner cups for pico-hydroelectric application’

Abstract The lack of access to electricity is still a huge issue in various regions around the world. Especially in rural areas many people are negatively affected. Renewable energy technologies like micro- or pico-hydroelectric turbines can offer a solution to … Continue reading

Posted in Uncategorized

‘Design optimization of axial flux permanent magnet generators using a soft magnetic powder composite iron core for locally manufactured pico-hydro plants‘

Abstract In this work, axial flux permanent magnet generators are studied as parts of locally manufactured small hydro turbines in off-grid systems. The majority of these generators are manufactured today without an iron core. Despite the drawbacks of the iron … Continue reading

Posted in Uncategorized