Analysis and design of multiple-output forward converter with weighted voltage control

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dc.contributor.authorChen, Jingen
dc.contributor.committeecochairLee, Fred C.en
dc.contributor.committeecochairJovanovic, Milan M.en
dc.contributor.committeememberChen, Dan Y.en
dc.contributor.committeememberBorojević, Dušanen
dc.contributor.committeememberNelson, Douglas J.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T21:19:45Zen
dc.date.adate2007-10-03en
dc.date.available2014-03-14T21:19:45Zen
dc.date.issued1994-02-09en
dc.date.rdate2007-10-03en
dc.date.sdate2007-10-03en
dc.description.abstractThis work presents the modeling and analyses of multiple-output forward converters with weighted voltage control. Based upon the analyses, the systematic design methodologies and design tools are provided. A power stage de model including all the major parasitics, which are detrimental to the output voltages, is derived. A nonlinear programming based design tool is developed to search for the weighting factors. Five methods of stacking secondaries to improve cross-regulation are presented, and the improvement of cross-regulation is quantified. A small-signal model of the multiple-output converters with coupled output filter inductors and weighted voltage control is established. The small-signal characteristics are studied, and the model shows that the system behavior is very sensitive to the coupling coefficient, which has been reported, but never been quantified. The pole-zero interlaced condition is derived. A current-mode control small-signal model is also presented, which can predict all the observed phenomena of current-mode control. Compensator design is discussed for different types of power stage transfer functions for both voltage-mode and current-mode control.en
dc.description.degreePh. D.en
dc.format.extentxii, 266 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-10032007-171757en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-10032007-171757/en
dc.identifier.urihttp://hdl.handle.net/10919/39565en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1994.C4467.pdfen
dc.relation.isformatofOCLC# 31211045en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1994.C4467en
dc.subject.lcshElectric current converters -- Design and constructionen
dc.titleAnalysis and design of multiple-output forward converter with weighted voltage controlen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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