基于无谐波检测的三相四线制三电平apf控制分析

《基于无谐波检测的三相四线制三电平apf控制分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、华中科技大学硕士学位论文AbstractWiththemassiveinvestmentinnon-linearloadapplications,weconcernaboutharmonicsgovernanceissuesinthree-phasefour-wiredistributionpowersystem.Asthethree-phasefour-wirethree-levelactivefiltercaneffectivelyfilteroutthecurrentcomponentofl

2、oadharmonic,sothispaperfocusesonthree-wirefour-wireAPFsystemwiththree-levelBridge,thispapermainlyresearchthefollowingaspects.Thispaperderivedthree-phasefour-wireAPFtheaveragelinearmathematicalmodelandmathematicalmode.inthestationarycoordinatesystemcon

3、verterwhichAPFisexpressedasequivalentcontrolledvoltagesourceandacontrolledcurrentsource,ThispaperanalyzestheenergytransmissionprocessbetweenAPFDCsideandACsideandobtainedthisconclusionthatAPFcanobtainthereferencecurrentthroughtheadjustablecapacitorvolt

4、age.Suchastudyproposedatheoreticalbasisforthecontrolwithnon-harmonicdetection.Ialsoresearchonnon-traditionalAPFpowerandactivecontrolofthesystemmodelandfoundtheadverseeffectswithharmonicdetectionofthesystem,soIindirectlyobtainedtheconclusionsthatthesys

5、temdon’tneedtoharmonicdetection.Thispaperanalyzesdouble-closed-loopcontrolledsystemarchitectureoftheAPFbasedonharmonicdetection,andthroughtheimprovementoftheoriginalsystemderivedcontrolledstructure,Iproposedanewtypeofdouble-closed-loopcontrolstrategyw

6、ithnon-harmonicdetection.ThispaperfoundawayofcontrolwithrepeativecontrolandPcontrolincurrenttedloop,andanalyzeeachparameteroftherepetitivecontroller,andaccordingtothree-phasefour-wirethree-levelBridgecarvedarm-typecapacitorstructure,Idesignedthecontro

7、llerwiththemathematicalanalysisandrelatedbasis.Thispaperhassetupasimulationmap,withthethree-phasenon-linearunbalancedloadandthree-phasenonlinearbalancedload,atthesametime,Iimprovedtheexperimentaldeviceofthree-phase-four-wire-three-level-Bridgecarvedar

8、m-typecapacitor,doneanexperimentwiththree-phasenonlinearunbalancedloadtotesttheproposedtheoryandcontrolledmethod.Keywords:ActivePowerFilterThree-levelInverterNon-harmonicdetectionRepeativecontrol+PII华中科技大学硕士学位论文目录摘要............................