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AdvancedsinglestagepowerfactorcorrectiontechniquesAdvancedSingle-StagePowerFactorCorrectionTechniquesbyJinrongQianDissertationsubmittedtothefaultyoftheVirginiaPolytechnicInstituteandStateUniversityinpartialfulfillmentoftherequirementsforthedegreeofDoctorofPhilosophyinElectricalEngineeringFredC.Lee,ChairmanDusanBorojevicDanY.ChenMilanM.JovanovicDouglasNelsonSeptember25,1997Blacksburg,VirginiaKeywords:Powerfactorcorrection,powerconverter,electronicballastCopyright1997,JinrongQianAdvancedSingle-StagePowerFactorCorrectionTechniquesbyJinrongQianFredC.Lee,ChairmanElectricalEngineering(ABSTRACT)Fivenewsingle-stagepowerfactorcorrection(PFC)techniquesaredevelopedforsinglephaseapplications.Theseconvertersare:Integratedsingle-stagePFCconv……