ACTIVE-POWER-FILTER-FOR-POWER-COMPENSATION：电力有源电力滤波器补偿-PPT课件.ppt

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1、ACTIVEPOWERFILTERFORPOWERCOMPENSATIONPresentedBy:ARUNKUMARN.K1OX11EPE01InthisPresentation,anewActivePowerFilter(APF)controlschemehasproposedtoimprovetheperformanceoftheAPF.Thispresentationpresentsanewtechniquewithinstantaneouspowertheory(P-Qtheory)inord

2、ertocontrolofAPFundernon-idealmainsvoltageconditions.Performanceoftheproposedschemehasbeenfoundfeasibleandexcellenttothatoftheinstantaneousreactivepoweralgorithmsundervariousnon-idealmainstestscenarios.MATLAB/SIMULINKpowersystemtoolboxisusedtosimulateth

3、eproposedsystem.Theproposedmethod’sperformanceiscomparedwithconventionalinstantaneouspower(P-Q)theory.Thesimulationresultsarepresentedanddiscussedshowingtheeffectivenessofthecontrolalgorithm.ABSTRACTINTRODUCTIONPOWERQUALTITYINPOWERDISTRIBUTIONSYSTEMSSOL

4、UTIONSTOPOWERQUALITYPROBLEMSBASICPRINCIPLEOFACTIVEPOWERFILTERSTYPESOFTHEACTIVEPOWERFILTERSINSTANTANEOUSPOWERTHEORYTHEPROPOSEDMETHODSHUNTACITVEPOWERFILTER3-PHASE4-WIRESHUNTACIVEPOWERFILTERWITHRENEWABLEENERGYINTERFACESIMULATIONRESULTSCONCLUSIONREFERENCECO

5、NTENTSINTRODUCTIONInamodernpowersystem,increasingofloadsandnon-linearequipment'shavebeendemandingthecompensationofthedisturbancescausedforthem.Thesenonlinearloadsmaycausepoorpowerfactorandhighdegreeofharmonics.ActivePowerFilter(APF)cansolveproblemsofhar

6、monicandreactivepowersimultaneously.APFhavetheabilitytoadjusttheamplitudeofthesynthesizedacvoltageoftheinvertersbymeansofpulsewidthmodulationorbycontrolofthedc-linkvoltage,thusdrawingeitherleadingorlaggingreactivepowerfromthesupply.ShuntAPF’sallowthecom

7、pensationofcurrentharmonicsandunbalance,togetherwithpowerfactorcorrectionPowerQualitycanbedefinedasthephysicalphysicalcharacteristicsoftheelectricalsupplyprovidedundernormaloperatingconditionsthatdonotdisturbthecustomersprocess.PowerQualityproblemexists

8、duetochangeinvoltage,currentorfrequencydeviationresultsinafailureorinabadoperationoftheequipment.PowerQualityproblemsareduetoNaturalPhenomenaSwitchingPhenomenaConnectionofhighpowernonlinearloadsVoltageSagsPOWERQUALITYINPOWERDISTR