4842

266 دكتري

كارشناسي ارشد

مهندسي برق

اصفهان: دانشگاه صنعتي اصفهان، دانشكده برق و كامپيوتر

1388

دوازده،163ص.: مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

حسين فرزانه فرد

شاهرخ فرهنگي

21/9/88

عباس سولايي،محمدرضا ذوالقدري،محمد مدني

مهندسي برق و كامپيوتر

ID266 دكتري

به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي

A New Family of Soft Switching DC DC Converters Masoud Jabbari Jabbari Masoud@IEEE org September 2009 Department of Electrical and Computer Engineering Isfahan University of Technlology Isfahan 84156 83111 IranSuprvisor Hosein Farzanehfard hosein@cc iut ac irAdvisor Shahrokh Farhangi Department Graduate Program Coordinator Ali Mohammad Doosthoseini Associate Professor Department of Electrical and Computer Eng Isfahan University of Technology Iran Associate Professor School of Electrical and Computer Eng University of Tehran IranAbstractA mechanism for power processing is presented in which a fixed amount of energy is transferredfrom the source to the output in each cycle The result is establishing a family of resonantconverters so called switched resonator converters The basic formations include a gallery of 16non isolated and 15 isolated DC DC converters All topologies are inherently soft switched andsynthesized systematically A plenary theoretical analysis along with practical results of morethan ten implemented prototypes are presented in this dissertation Acceptable consistency isalways seen between the theoretical simulation and practical results A unified study isperformed topologies are categorized essential and general equations are presented and thecontrol mechanism is discussed Comparison charts step by step design procedure andimportant practical details are also included Besides the practical and engineering applications abeautiful symmetry lies in the topologies which exhibits itself beyond of the mathematicalrelations Keywords dc dc converter resonant power conversion soft switching ZCS ZVS powersupplyIntroductionPower supply is a part of all electronic systems Switching power supplies have been widelyemployed thanks to technology advances in the field of semiconductor devices These convertersenjoy proper efficiency small size and relatively lesser cost Major disadvantages of theconventional hard switching converters include switching losses high stresses restriction infrequency increase and electromagnetic interference production Soft switching topologies havebeen considered as a suitable approach to obviate these disadvantages since three past decades At soft switching condition switching frequency can be increased to enhance the converterpower density Soft switching condition is commonly attained by zero voltage switching ZVS pdfMachine is a pdf writer that produces quality PDF files with ease Get yours now Thank you very much I can use Acrobat Distiller or the Acrobat PDFWriter but I consider your product a lot easier to use and much preferable to Adobe s A Sarras USA

حسين فرزانه فرد

شاهرخ فرهنگي

عباس سولايي،محمدرضا ذوالقدري،محمد مدني