基于DSP的高壓恒流充電電源的研究.pdf

1、哈爾濱理工大學碩士學位論文基于DSP的高壓恒流充電電源的研究姓名：劉勝魁申請學位級別：碩士專業(yè)：電力電子與電力傳動指導教師：張春喜20060301哈爾濱理工大學工學碩士學位論文Studyonaconstantcurrenthigh—voltagechargingpowersupplybasedonDSPAbstractThetraditionalhighvoltageDCpowersupply，whichusuallybegottenb

2、yboosting220V50IIzACvoltagewithtransformerandthenconvertingvoltagewitllrectifierfilterhasbigbulkandweighthi曲ripplecoefficientofoutputvoltage，lowstabilizationandefficiencyThedesignofahighfrequencyhighvoltagepowersupplyusi

3、ngsoftswitchingpowersupplytechnologyisdiscussedinthispaper111eCOIepartincludesfull—bridgeinvertertransformerandrectifierPrimaryinveReriSafullbridgeinverterconstructedbyZVSPWMDC／DC，whichinsuresthesystemworking砒highfrequen

4、cyn圮mainu∞oftransformerforhighfrequencyistotransfonnenergy，electricinsulatingvoltagechangingandimpedancechanging嬲magneticcouplingThecapabilityofthetransfornleraffectthesafetyofthedeviceofthepowerswitchingInthepaperthefac

5、torsthataffectthecapabilityofthetransformerisanalyzed，whichincludingthattheprincipleofthemagneticmaterialselecting，theprincipleoftheshapeofthemagneticcorethekindsofthemagneticcoreandthecalculationofthedesignforthetransfo

6、rmerDSPisthecoreofthepowersupplyThepaperadoptedTMS320LF2407madebyTIcompanytealizephaseshiftfullbridgesoftswitchitisalsousedtoadjustthevoltageofoutputandprotectthesystemwhencurrentisoverflowThecontrolmethodisdecidedbysoft

7、ware，itcanbemodifiedaccordingtotheneedofthecustom11塢powerofthepowersupplyis3000WTheswitchingfrequencyis20kHzOutputDCvoltageofpowersupplyis24kVandCanbechangedbyDSETheripplecoemcientisnomorethanO5％11峙efficiencyofthepowersu