Fan-Out SiC MOSFET Power Module in an Organic Substrate

PV Module Integrated Converter for Distributed MPPT PV Systems

Driven by constant advances and cost reductions in photovoltaic (PV) technology,<br/>together with incentive government policies toward cleaner environment, the PV energy became one of the fastest growing market in the world. In many countries the amount of installed PV power is increasing at an exponential rate, in all sectors from large...

Improving the Availability of Wind Turbine Generator Systems

Wind energy is becoming an important contributor in the world’s energy needs. An important trend in wind turbine design is the focus on reliability and increased availability of wind turbines. This is the aim of the study. It focusses its attention on the generator and power electronic converter due to the susceptibility of the generator system...

Power Electronic Converter for an Electroactive Polymer-based Wave Energy Harvester

This thesis deals with the new approach for harvesting renewable energy from sea waves. The main research problem is finding a way to efficiently extract the energy of the sea waves with the S3 concept using power electronics converter. The required operational high voltage of the generator limits the choice of possible power electronic...

Magnetic Energy Transfer in Roads

This thesis deals with the modelling and application of magnetic fields in roads. The backbone technology being inductive power transfer (IPT) for electric vehicles. The magnetics for energy transfer in vehicles, can be adapted for heating steel fibres in roads, referred to as self-healing and modelling this is a second aspect of this thesis....

Modular High Voltage Pulse Converter for Short Rise and Decay Times

This thesis explores a modular HV pulse converter technology with short rise and decay times. A systematic methodology to derive and classify HV architectures based on a modularization level of power building blocks of the HV pulse converter is developed to summarize existing architectures and explore new possible architectures.The optimal...

Electromagnetic Design of High Frequency PFC Boost Converters using Gallium Nitride Devices

Throughout the history of power electronics, main driving force of developments is attribute to innovations in power semiconductor technology. With continuous technical improvements in the past 30 years, Si devices, being the most widely used power semiconductor technology, are approaching physical limits e.g. breakdown field, thermal...

Offshore VSC-HVDC Networks: Impact on Transient Stability of AC Transmission Systems

The transition towards a sustainable society calls for the massive deployment of renewable energy sources such as large wind parks located far offshore. High-voltage direct current transmission based on voltage sourced converter technology (VSC-HVDC) offers a wide range of technological benefits that foster the grid integration of offshore wind...

Increasing the Feasibility of Superconducting Generators for 10 MW Direct-Drive Wind Turbines

In recent years, superconducting synchronous generators (SCSGs) have been proposed as an alternative to permanent magnet synchronous generators (PMSGs). They are expected to reduce the top head mass and the nacelle size for such large wind turbines. In 2012, the INNWIND.EU project initiated this research to investigate SCSGs for 10-20MWdirect...

Modeling and Design of Brushless Doubly-Fed Induction Machines

The rapid increase of wind power in the power grid results in high grid connection requirements for wind turbines. Moreover, the reliability of wind turbines becomes more and more important, especially in offshore applications. One potential solution for these demands is the wind turbine drive-train based on the brushless doubly-fed induction...

Brushless Doubly-Fed Induction Machines for Wind Turbine Drive-Train Applications

A Multi-Objective Optimization Framework for the Design of Offshore Wind Farms

Design of high-torque-density synchronous drives for propulsion of rotary-wing aircraft

This thesis suggests that with air-cooled direct-drive ring-type machines it is very likely to incur into a weight penalty for the application of main propulsion of civilian helicopters. This is however an application not investigated before at the level of detail presented. Therefore, this work serves as a design philosophy and guideline for...