PWM converter for a highly non-linear plasma load

dc.contributor.advisorMouton, H. du T.
dc.contributor.advisorSwart, P. H.
dc.contributor.authorVan der Merwe, Wimen_ZA
dc.contributor.otherUniversity of Stellenbosch. Faculty of Engineering. Dept. of Electrical and Electronic Engineering.
dc.descriptionThesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2005.
dc.description.abstractThis thesis discuss an investigation into the applicability of modern high frequency power conversion technology in the plasma mineral processing industry. The physics governing the plasma in a processing environment are analysed to provide a clear understanding of this plasma as electrical load. This was done to create an electrical model for the plasma as load and gain understanding into the electrical supply requirements. Modern high frequency power conversion technology is contrasted with thyristor controlled line frequency technologies to provide a suitable starting point for the study. A 3 kW soft switched converter is proposed for application with a plasma load. This converter is designed and verified. The small-signal signature of the proposed converter under peak current mode control is investigated and a new model is proposed to describe this control configuration.en_ZA
dc.format.extent3204319 bytesen_ZA
dc.publisherStellenbosch : University of Stellenbosch
dc.subjectPlasma engineeringen_ZA
dc.subjectVoltage-frequency convertersen_ZA
dc.subjectDissertations -- Electrical engineeringen_ZA
dc.subjectTheses -- Electrical engineeringen_ZA
dc.subject.otherElectrical and Electronic Engineeringen_ZA
dc.titlePWM converter for a highly non-linear plasma loaden_ZA
dc.rights.holderUniversity of Stellenbosch

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