1、西南交通大學碩士學位論文戶用型光伏網(wǎng)發(fā)電控制技術(shù)研究姓名：杜毅申請學位級別：碩士專業(yè)：電力電子與電力傳動指導教師：郭世明201205西南交通大學碩士研究生學位論文第||頁AbstractWiththeintensificationoftheenergycrisisandenvironmentalpollution，thephotovoltaicgrid—connectedgenerationhasbeinganimportantkeyp

2、ointtosolvethisproblemInthegridconnectedPVsystems，theresidentialphotovoltaic醣d—connectedgenerationsystemCanovercomethedispersionofsunshine，andtheelectricalengegyisconsumedbylocalloadforgridconnectinginthegridterminal，Sed

3、ucethelossescausedbytheelectricalenergyduringtransmissionIthasagreateradvantagethanthePVpowerplantintheflexibilityandeconomyTherefore，theresidentialphotovoltaicgridconnectedgenerationsystemhasbeingaresearchfocusinthenewe

4、nergyfieldatpresentThispapermainlyanalyzesanddiscussesthedouble—stagephotovoltaic面dcontroltechnologyfortheresidentialphotovoltaicgrid—connectedgenerationsystem，includingthemaximumpowerpointtracking，thecurrentcontrol，aswe

5、llasactivepowerfilterFirst，thispaperintroducesthemostpopulartopologyatpresentandchoosesthegrid—connectedtransformerlesssingle—phasephotovoltmcinvertersasthefocusofthisarticleItdesignsthepapametersofthemaincircuits；discus

6、sthemodulationmethodofthesinglephasegrid—connectedinverteratpresentThelimitedunipolarmodulationishighefficiencysuitableforphotovoltaicgenerationSecondly，thestudyofphotovoltaicgrid—connectedinvertercontrolalgorithmAsaresu

7、ltofatwo—stagetopology，thecontrolalgorithmcarlbedividedintoboostandinverterBoostcircuitmainlycompletethesoftchargeandthemaximumpowerpointtrackingIntheinvertercircuit，Phaselockedpll，innerloopcurrentcontrol，outerloopvoltag

8、econtrolisdicussed，andotherwisetheproblemofthestartupofgrid—connectedisdiscussedtooThirdlythetraditional鰣dtechnologyisonlyactivepoweroutput，thispaperimproveitBecauseoftheutilizationofdeviceisnothi曲，thepaperpresentthatasl

9、ongasthealgorithmismodifiedthisinverteralsocanberealizedactivefilterFinallythesoftwareandhardwarekeytechnologiesareresearchedThehardwarepartismainlytocompletethesamplingcircuitdesignandthesoftwarepartismainlytocompleteth

10、edesignofPIDcontrolleraswellastoanalyzesomeproblemsofPIDcontrollerinpracticeAftercompletingthecriticalpartofthedesigninprototype，completetheseveralexperimentsincludethestartupof鰣d—connectedthesecondaryrippleofDCbusvoltag