基于DSP的三相配電網(wǎng)并聯(lián)型有源電力濾波器（APF）的研究與設(shè)計.pdf

1、分類號：TM761，TN7138論文編號：02040531貴州大學(xué)2005屆碩士研究生學(xué)位論文y7878蠡5L密級：公開導(dǎo)師：奎盛f型童絲!研究生：直墊登中國貴州貴陽2005年6月AbstractInrecentyears，withthenonlinearloadsbeingwidelyusedinpowerdistributtonsystems，powerqualityhasbeenpaidattentiontoincreasingl

2、yTherefore，variousmethodsandtechniquesareadoptedtoguaranteesafe，economicandreltableoperationofpowersystemsandimprovepowerqualityandmaintainpeople’snormal1ivingActivepowerfilterisaeffectivesolutiontocontaminateharmonicsan

3、dimprovepowerqualityandhasbeingwidelyresearchedandusedInthispaper，basedonoperatingprincipleanalyzedsystemically，controlstrategiesandtopologyofmaincircuitof，shuntactivefilterarediscussedindetail：furthermore，theconfigurati

4、onofphysicalcircuitandwritingofsoftwaresystemandrealizationofdifferentcontroltechniquesofshuntactivefilterbasedonDSParedesignedrespectivelyAtlast，simulationmodelsofshuntAPFarepresentedfromSIMULINKsoftware，andcorrectnessa

5、ndvalidityofshuntAPFdesignedinthispaperareverifiedaccordingtothesimulatedcompensatingcurrentwaveformsgeneratedbyAPFSeveralpartsaffectingdetectingperformanceofcurrentandcompensatingcharacteristicsofshuntAPFareanalyzedinde

6、tailinthispaper：l、Designedlower—passfilter(LPF)indetectionpartIninstructioncurrentcomputationcireuit，lower—passfilterisacircuiteliminatinghigher～orderharmonicsbutreservingfundamental—belowcurrentandimposeagreatinfluenceo

7、ntheprocessofdynamicresponseanddetectionprecisionofharmoniccurrentInthispaper，fromthetheoreticalandsimulatingaspects，selectionoftypeofLPF，determinationoforderofLPFandcomputationofcut—offoffrequencyLPFareanalyzedanddesign

8、edrespectivelyinordertoobtainaLPFmeetingtherequirementsofdetectionperformance2、ImplementeddesignonstabilitycentrelofDCsidevoltageofcapacitorHarmoniccompensationisachievedthroughenergyexchangebetweenAPFandcapacitorofDCsid

9、eSo，accordingtuleofp榭control，thevoltageofDCsidehastobekeptconstantThevolrageofDCsideiskeptconstantbycontr011ingofcapacitorvoltageofDCsideandgettingactivepowerofAt；sideofAPFTherefore，PIadjustorisdesignedtoregulatethecapac

10、itorvoltageofDCsideandtostabilizevoltage3、ImplementedeomputationofsetiesreactorofACsideTheselectionofreactorcanaffectthetrackingperformanceofcompensatingcurrentoninstructioncurrentofAPFandhasaneffectontheeffectivenessand