EMI Characterization and Improvement of Bi-Directional DC/DC Converters

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dc.contributor.authorQu, Dayuen
dc.contributor.committeechairLai, Jih-Shengen
dc.contributor.committeememberHuang, Alex Q.en
dc.contributor.committeememberChen, Dan Y.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T20:46:13Zen
dc.date.adate1999-10-07en
dc.date.available2014-03-14T20:46:13Zen
dc.date.issued1999-09-14en
dc.date.rdate2012-04-12en
dc.date.sdate1999-09-30en
dc.description.abstractA worldwide awareness of the environment is accelerating fuel cell vehicle development. With respect to power electronics, special requirement is on the development of high efficiency, high voltage ratio bi-directional DC/DC converter for fuel cell energy system management. In this paper, two bi-directional DC/DC converters, which are developed for Ford Motor Company’s fuel cell vehicle, are compared from different aspects. Comparison is concentrated on the circuit topology and EMI performance. Emphasis is placed on soft-switch, hard-switch, synchronized rectification, auxiliary start-up winding and their effect on EMI performance in this kind of isolated bi-directional converter. Comparison includes circuits analysis and test result. The EMI test setup is described. EMI measurements are given and explained. EMI solutions for bi-directional DC/DC converter are discussed. An EMI filter is designed and final test result is given.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-093099-111035en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-093099-111035/en
dc.identifier.urihttp://hdl.handle.net/10919/35246en
dc.publisherVirginia Techen
dc.relation.haspartDQU_ETD1.PDFen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectEMIen
dc.subjectsoft-switchingen
dc.subjectelectric vehicleen
dc.subjectbi-directional DC/DC converteren
dc.subjectL-type converteren
dc.subjectfull-bridge converteren
dc.titleEMI Characterization and Improvement of Bi-Directional DC/DC Convertersen
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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