基于DSP的移相全桥ZVZCS变换器

《基于DSP的移相全桥ZVZCS变换器》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、y1081365中倒分类号：xxxxUDC：XXXX学＆代码：XxXx密级：公开北京交通大学硕士学位论文基于DsP的移相全桥zVzcs变换器FulIBridgePhase—ShiRZVZCS—PWMDC，DCConverterBasedonDSP作者姓名：张勇强导师姓名：金新民学位类别：硕士学号：04121424职称：教授学位级别：硕士学科专业：电力电子和电力传动研究方向：电力电子和电力传动北京交通大学2007年4月北京交通人学硕十学{々论文ABSTRACTABSTRACT．DC／DCconVe毗risama

2、inpanofpoWerelectmnicconvener．SoRSwithing“xhniqueisahotspotofpowerelectronic6eld．Itisthekeytechniqueinhighfkquencyandhi曲densityconverter．w“htheadventofmicroprocessor，therehasbeenanincreaSedintercstindigitalcontroIofswitchmodepowersuppIy’insteadofanalogcomr0

3、1．Thed画talcontrolschemehasmanyadVantagesinsimplifyingthecontmlcircuit，improvingtheanti-imerf毫renceability，cOntrolprecisionandnexibiIity，generalafldintelligentleveI．InordertoresearchonsoR—switc量linganddigitalcontroltechnology’thispaperproposesadigitalcontrol

4、ledphaSe—shmZVZCSfulIbridgeconvenerandanalyses缸principleofoperation．TherearetwosoR-刚tchschemesofphase—shjftfull—bri电eDC／DCconvener：zero—Voltageswitching(ZVS)aIldzero·Voltagezem—currems、vitching(ZVZCS)．111ispapercomparesandanalysesthem，oschemes．0nnleanalyses

5、ofseveraltypicalZVZCScircuittopologies，aZVZCSmllbridgePWMconverterwithasimpleauxiliarycircuitisinnDduced．Thispapercomposesofthreesections：11lefirstonea芏lalysistheoperationmodeofZVZCS削lbridgePWMconvenerwithasimpleauxiliarycircuitanddeducesthecircu“equation．T

6、hesecondpartintroducesthecomponemparameterdesignofmaincircuitandthenpresentsthecontrolsystembothhardwareandsonware．ThetIlirdpartshowsthe0perationperfo珊anceandanalysesthewaveform．TheExperimemresuItsshow：Maincircuitsparameterisright，reasonableaIldachieveandes

7、ignrequire：Zero-voltagezero-cu玎entswitchingisachievedcomctly，and出econverterh鹊manyadVantagessuchassimpleauxiliarycircuit，lowvoltagestressofrectifierdiode锄dhi曲efnciency：Thecontrolsystem’shardwarestructureissimple，highlyimegratedande勰ytoimplement；TIlecontrolsy

8、stem’ssoRwarewOrksproperlyandfulfillallfhnctions，thecon℃ctllessofthewholedcsigflisvalidated．KEYWORDS：phase—shm如11-bridgeconvener；zer0voltageandzer0cumnt；d罾talsi黟lal弘Dcessor；di百taIPIcontrol北京交通人学硕十’≯彳寺论