5045

277 دكتري

دكتري

برق

اصفهان: دانشگاه صنعتي اصفهان، دانشكده برق و كامپيوتر

1388

نه، 150ص: مصور، جدول، نمودار

ص.ع.به: فارسي و انگليسي

مهندسي برق و كامپيوتر

ID277 دكتري

به فارسي و انگليسي: قابل رويت در نسخه ديجيتال

New families of soft transition PWM converters Ehsan Adib adib ehsan@gmail com December 23 2009 Department of Electrical and Computer EnginerringIsfahan University of Technology Isfahan 84156 83111 IranSupervisor Hosein Farzanehfard hosein@cc iut ac irAdvisor Saeid Sadri Department Graduate Program Coordinator Mahmoud Modarres Hashemi Isfahan University of Technology Isfahan 84156 83111 Iran Isfahan University of Technology Isfahan 84156 83111 IranAbstract In this thesis Zero Current Transition ZCT and Zero Voltage Transition ZVT techniques are investigated and new families of theses converters are introduced Furthermore the idea of ZVT and ZCT converters is extended to create a new family ofsoft transition PWM converters with current sharing capability In every section of thethesis one of the proposed converters is completely analyzed and design considerations arediscussed Also experimental results are presented to justify the presented theoreticalanalysis Furthermore in each section the proposed converters are compared with othersimilar conventional soft switching converters using simulation results Key WordsDC DC converters Soft switching Zero voltage switching Zero current switching

حسين فرزانه فرد

سعيد صدري

شاهرخ فرهنگي، محمد رضا ذوالقدري، مسعود سيدي