采用磁集成技術(shù)的多路輸出變換器的研究.pdf

1、分類(lèi)號(hào)UDC密級(jí)學(xué)校代號(hào)學(xué)號(hào)曠78661110561200320100667華南理工大學(xué)碩士學(xué)位論文采用磁集成技術(shù)的多路輸出變換器的研究喬蕾指導(dǎo)教9幣：到丞強(qiáng)副熬援坐直理至盔堂皇左堂隧申請(qǐng)學(xué)位級(jí)別：亟專(zhuān)業(yè)名稱(chēng)：皇查魚(yú)王皇皂盔堡墊論文提交日期：2鯉!論文答辯日期：19堂一5學(xué)位授予單位和日期：答辯委員會(huì)主席：論文評(píng)閱人：蘭塑墨三盔蘭堡圭蘭壁笙塞AbstractNowadays，powersupplyminiaturizationisama

2、instreamexposureofpowersupplydesignGenerally，increasingtheswitchingfrequencyofpowersupplyisusedtominishvolumeandreducepowerlossofmagneticelement，butthereissomewhatlimitationinthemethodofhighfrequencyResearchershavedoneal

3、otofresearchformagneticelementinconvertersinordertogetthesmallersizeandthelowerlossofmagneticsandassureconverterperformance，inresult，integratedmagnetics(IM)isputforwardWedefinetheintegratedmagneticsconceptastheprocessinw

4、hichtheinduetorsandtranformersaremergedintoasinglemagneticcircuitwithmultiplewindingsIMhelpsnotonlyachievehighpowerdensity，reducethetotalvolumeandweightoftheconverter，butalsoeliminatethecurrentripple，reducethelossandimpr

5、ovedynamicperformance，whichissignificanttoimprovetheperformanceofpowersupplyFirstlyasummaryaboutthepresentstatusandapplicationofIMispresentedinthisthesisincludingtopologycircuitsadaptedt0IMandrespectiveIMstructuresforthe

6、differentcircuitsThedesignprocessandanalysismethodaboutIMisachievedbasedondoingresearchonagreatlotliteratureThesesurveysprovidegroundworkforthechoiceoftopologycircuitanditsIMstructure，andprovideeffectivemethodandtrainoft

7、houghtsforthedesignandanalysisoflMThereareseveralfilteringinductorsandatransformerwithmultisecondarywindingsinamultiple—outputpowersupplyWhenthesemagneticcomponentsareseparate，eachcomponentmusthaveamagneticcoreThepowersu

8、pplyhasalargevolumeinthiswayIMisusedinthemultipleoutputconverterwhichCanreducethetotalvolume，increasepowerdensityandimproveoutputcurrentripplePresentlymultipleoutputconvertersonlyputseveraloutputinductancesonamagneticcor

9、e，themultipleoutputtransformerisstillseparateIfthemultipleoutputtransformerandseveralcoupledinductorsareintegratedonasamemagneticcore，undoubtedlythevolumeofconverterwillbereducedSecondlyanintegratedmagneticstructureconsi

10、stingofatwooutputtransformerandtwocoupledinductorsisdesignedusingtheforegoingapproachTheIMconverterdesignprocedureispresentedindetail，andtheequivalentcircuitandtheequivalentmagneticcircuitoftheintegratedmagneticisanalyze