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Optimized Harmonic Stepped-Waveform for Multilevel Inverter

The concept of multilevel voltage source inverters and their modulation topologies are described. The concept of the Optimized Harmonic Stepped-Waveform (OHSW) technique for a multilevel inverter is presented. By applying this concept, specific harmonics can be eliminated, and the output voltage THD can be improved. A procedure to achieve the appropriate switching angles of the OHSW is proposed. Experimental results are presented to verify the concept. The proposed OHSW technique is implemented on a multilevel inverter using cascaded-inverter with separated dc sources. Comparison between the Selective Harmonic Eliminated PWM and the OHSW is also presented. / Master of Science

Identiferoai:union.ndltd.org:VTETD/oai:vtechworks.lib.vt.edu:10919/35333
Date09 November 1999
CreatorsSirisukprasert, Siriroj
ContributorsElectrical and Computer Engineering, Lai, Jih-Sheng, Borojević, Dušan, Huang, Alex Q.
PublisherVirginia Tech
Source SetsVirginia Tech Theses and Dissertation
Detected LanguageEnglish
TypeThesis
Formatapplication/pdf, application/pdf, application/pdf, application/pdf, application/pdf, application/pdf, application/pdf, application/pdf, application/pdf
RightsIn Copyright, http://rightsstatements.org/vocab/InC/1.0/
RelationTitle.pdf, Chapter6.pdf, Chapter2.pdf, Chapter5.pdf, Chapter4.pdf, Chapter3.pdf, Chapter1.pdf, References.pdf, Chapter7.pdf

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