6285

5873

كارشناسي ارشد

ماده چگال

اصفهان: دانشگاه صنعتي اصفهان، دانشكده فيزيك

1390

هشت،90ص.: مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

فيزيك

ID5873

به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي

Investigation of structural transport and magnetic properties of Cobaltites La0 7 Ba Ca 0 3CoO3 Ferdos Khalili F Khalili@ph iut ac ir Date of Submission 2011 04 Department of Physics Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language FarsiSupervisor Hadi Salamati Salamati@cc iut ac irAbstract In this thesis after a survey on harmonics problems and different mitigation techniques Hybrid ActivePower Filters HAPF are studied HAPFs are a newer kind of filters used to control harmonics in powersystems These filters are made by combining passive and active filters to prevent resonance of passivefilter while obtaining better filtering quality with a small rated inverter An introduction to passive andactive filters is given and some methods used to combine these filters are studied There are two commonly used types of HAPFs Using TMS320F2812 DSP unit the direct current control approach with finite statespredictive current controller and the finite states unified control approach are implemented Theimplementation results are compared with simulation results to verify viability of proposed method Different practical and software optimization techniques are discussed in details In the end there is asummary of thesis and suggestions for further studies Keywords Dissertation format keyword keyword keyword 4 to 8 keywords are necessary

هادي سلامتي

پرويز كاملي

حسين احمدوند، جواد هاشمي فر