Sökning: "per karlsson"
Visar resultat 1 - 5 av 130 avhandlingar innehållade orden per karlsson.
1. DC Distributed Power Systems - Analysis, Design and Control for a Renewable Energy System
Sammanfattning : Renewable energy systems are likely to become wide spread in the future due to environmental demands. As a consequence of the dispersed nature of renewable energy systems, this implies that there will be a distributed generation of electric power. LÄS MER
2. Quasi Resonant DC Link Converters - Analysis and Design for a battery Charger Application
Sammanfattning : Environmental aspects have during the last years made electric vehicles an interesting competitor to the present internal combustion engine driven vehicles. For a broad introduction of pure electric vehicles, a battery charging infrastructure is deemed necessary. However, to build and maintain such an infrastructure is costly. LÄS MER
3. High consistency hydrogen peroxide bleaching of Norway spruce mechanical pulps
Sammanfattning : .... LÄS MER
4. Improved hydrogene peroxide bleaching of mechanical pulps through fundamental understanding of the influence of heat, iron, fines and chemical treatment on chromophore content
Sammanfattning : .... LÄS MER
5. Gap discharge transducers applied to ultrasonic flow measurement
Sammanfattning : In this thesis, the potential of the gap discharge transducer is investigated as both a sound pulse emitter and a sound pulse receiver in a gas flow measurement setup. The main objective is to use the gap discharge transducer as an integral part in a gas flow measurement system developed for harsh environments. LÄS MER