Analysis and Comparison of Space Vector Modulation Schemes for Three-Leg and Four-Leg Voltage Source Inverters

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dc.contributor.authorPrasad, V. Himamshuen
dc.contributor.committeechairBorojević, Dušanen
dc.contributor.committeememberChen, Dan Y.en
dc.contributor.committeememberLee, Fred C.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T20:51:10Zen
dc.date.adate1998-03-10en
dc.date.available2014-03-14T20:51:10Zen
dc.date.issued1997-05-15en
dc.date.rdate1998-03-10en
dc.date.sdate1997-05-15en
dc.description.abstractSeveral space vector modulation schemes have been analyzed for three-leg and four-leg voltage source inverters. The analysis is performed with respect to a) switching losses, b) total harmonic distortion, c) peak-to-peak ripple in the line current and d) the ease of digital implementation. The analysis is performed over the entire range of modulation index and for varying load power factors (leading and lagging) under both balanced and unbalanced load conditions. The analysis shows that the performance of four-leg inverters is similar to three-leg inverters for various space vector modulation schemes. The analysis also verifies the fact that a modulation scheme with good harmonic performance usually has high switching losses and vice-versa. The analysis is verified using simulation and experiments. A novel algorithm for the calculation of total harmonic distortion of PWM signals has been proposed.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-2798-1216en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-2798-1216/en
dc.identifier.urihttp://hdl.handle.net/10919/36578en
dc.publisherVirginia Techen
dc.relation.hasparttitle.pdfen
dc.relation.haspartchap1.pdfen
dc.relation.haspartchap2.pdfen
dc.relation.haspartchap3.pdfen
dc.relation.haspartchap4.pdfen
dc.relation.haspartrefer.pdfen
dc.relation.haspartappend.pdfen
dc.relation.haspartACK.PDFen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectspace vector modulationen
dc.subjectinvertersen
dc.titleAnalysis and Comparison of Space Vector Modulation Schemes for Three-Leg and Four-Leg Voltage Source Invertersen
dc.typeThesisen
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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