新型串聯(lián)諧振電流源DC-AC逆變器拓?fù)渑c控制.pdf

1、燕山大學(xué)碩士學(xué)位論文新型串聯(lián)諧振電流源DCAC逆變器拓?fù)渑c控制姓名：駱志偉申請學(xué)位級別：碩士專業(yè)：電力電子與電力傳動指導(dǎo)教師：鄔偉揚(yáng)孫孝峰20050301燕山大學(xué)工學(xué)碩士學(xué)位論文AbstractWiththeimprovementofscience，eleeaicpowerisplayingamoreandmoreimportantmllinoRrhvesNowadays，alotofelectricaldevicesareused，t

2、hetechnologytodealwithelectricpowerisdevelopedwithahighspeedalsoInverterisoneofthemostvitaltechnologyforelectricpowerconversionIttakespartinmanyapplicationsofelectricpowerConventionaltechnologyofinverterusuallyusesa50Hzt

3、ransformertoadjustthevokageAlthoughthemliabflkyishigherandthetechnologyismuchmorematHreitstillhassomedisadvantagesSuchas：thesizeandweightofthe50Hzwansformerandthefilterislarg奄andtheresponseofthe科stemisnotSOgoodInordertos

4、ettletheseproblems，thetechnologyofhigh仔equencylinkinverterisagoodchoiceForthehighfequencylinkinverteruseshighfrequencytransformertodisplacethe50Hztransformerthesize，weightandnoisearemuchsmallerInordertoenhancetheefficien

5、cyoftheinvertersoR—switchingtechnologyhasbecomeanimportantpartinthehigh—frequencylinktechnologyThisarticlepresentsacurrentmodehighfrequencylinkinvertertopologybasedonseriesresonanttankThisisanoveltopologyofthemainckcuitT

6、hemainfeaturesareasfollows：theckcuittopologyCanworkinfourquadrants，energycanflowbidirectional；alltheswitchesswitchatzerocurrentswitchpoint，itCanrealizeZCSinfullloadimage；theoutputfilteronlyhasacapacitorandwithoutinductan

7、ce；ItadoptsdirectresonantcurrentcontrolmethodandhasgoodqualityofoutputvoltagewaveformThispaperanalysestheworkingprincipleofcircuitindetailandbringsupthemathematicalmodelFurthermore，theresorkantparametersareanalysed，thisp

8、aperalsogivesouttherelevantsimulationandexperimentalresullsInadditionbasedOiltheanalogrealizationdigitaltechnologyprovidesgreatconvenienceinthedesignofcontrolschemeThisprojectachievesdigilalrealizationofthecontrolsystemb