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ACTIVEPOWERFILTERFORPOWERCOMPENSATION：電力有源電力濾波器補(bǔ)償16、云無(wú)心以出岫，鳥(niǎo)倦飛而知還。17、童孺縱行歌，斑白歡游詣。18、福不虛至，禍不易來(lái)。19、久在樊籠里，復(fù)得返自然。20、羈鳥(niǎo)戀舊林，池魚(yú)思故淵。ACTIVEPOWERFILTERFORPOWERCOMPENSATION：電力有源電力濾波器補(bǔ)償ACTIVEPOWERFILTERFORPOWERCOMPENSATION：電力有源電力濾波器補(bǔ)償16、云無(wú)心以出岫，鳥(niǎo)倦飛而知還。17、童孺縱行歌，斑白歡游詣。18、福不虛至，禍不易來(lái)。19、久在樊籠里，復(fù)得返自然。20、羈鳥(niǎo)戀舊林，池魚(yú)思故淵。ACTIVEPOWERFILTERFORPOWERCOMPENSATIONPresentedBy:ARUNKUMARN.K1OX11EPE01InthisPresentation,anewActivePowerFilter(APF)controlschemehasproposedtoimprovetheperformanceoftheAPF.Thispresentationpresentsanewtechniquewithinstantaneouspowertheory(P-Qtheory)inordertocontrolofAPFundernon-idealmainsvoltageconditions.Performanceoftheproposedschemehasbeenfoundfeasibleandexcellenttothatoftheinstantaneousreactivepoweralgorithmsundervariousnon-idealmainstestscenarios.MATLAB/SIMULINKpowersystemtoolboxisusedtosimulatetheproposedsystem.Theproposedmethod’sperformanceiscomparedwithconventionalinstantaneouspower(P-Q)theory.Thesimulationresultsarepresentedanddiscussedshowingtheeffectivenessofthecontrolalgorithm.ABSTRACTACTIVEPOWERFILTERFORPOWER1ACTIVEPOWERFILTERFORPOWERCOMPENSATIONPresentedBy:ARUNKUMARN.K1OX11EPE01ACTIVEPOWERFILTERFORPOWER2InthisPresentation,anewActivePowerFilter(APF)controlschemehasproposedtoimprovetheperformanceoftheAPF.Thispresentationpresentsanewtechniquewithinstantaneouspowertheory(P-Qtheory)inordertocontrolofAPFundernon-idealmainsvoltageconditions.Performanceoftheproposedschemehasbeenfoundfeasibleandexcellenttothatoftheinstantaneousreactivepoweralgorithmsundervariousnon-idealmainstestscenarios.MATLAB/SIMULINKpowersystemtoolboxisusedtosimulatetheproposedsystem.Theproposedmethod’sperformanceiscomparedwithconventionalinstantaneouspower(P-Q)theory.Thesimulationresultsarepresentedanddiscussedshowingtheeffectivenessofthecontrolalgorithm.ABSTRACTInthisPresentation,a3INTRODUCTIONPOWERQUALTITYINPOWERDISTRIBUTIONSYSTEMSSOLUTIONSTOPOWERQUALITYPROBLEMSBASICPRINCIPLEOFACTIVEPOWERFILTERSTYPESOFTHEACTIVEPOWERFILTERSINSTANTANEOUSPOWERTHEORYTHEPROPOSEDMETHODSHUNTACITVEPOWERFILTER3-PHASE4-WIRESHUNTACIVEPOWERFILTERWITHRENEWABLEENERGYINTERFACE

SIMULATIONRESULTSCONCLUSIONREFERENCECONTENTSINTRODUCTIONCONTENTS4INTRODUCTIONInamodernpowersystem,increasingofloadsandnon-linearequipment'shavebeendemandingthecompensationofthedisturbancescausedforthem.Thesenonlinearloadsmaycausepoorpowerfactorandhighdegreeofharmonics.ActivePowerFilter(APF)cansolveproblemsofharmonicandreactivepowersimultaneously.APFhavetheabilitytoadjusttheamplitudeofthesynthesizedacvoltageoftheinvertersbymeansofpulsewidthmodulationorbycontrolofthedc-linkvoltage,thusdrawingeitherleadingorlaggingreactivepowerfromthesupply.ShuntAPF’sallowthecompensationofcurrentharmonicsandunbalance,togetherwithpowerfactorcorrectionINTRODUCTIONInamodernpower5PowerQualitycanbedefinedasthephysicalphysicalcharacteristicsoftheelectricalsupplyprovidedundernormaloperatingconditionsthatdonotdisturbthecustomersprocess.PowerQualityproblemexistsduetochangeinvoltage,currentorfrequencydeviationresultsinafailureorinabadoperationoftheequipment.PowerQualityproblemsaredueto

NaturalPhenomena SwitchingPhenomena Connectionofhighpowernonlinearloads VoltageSagsPOWERQUALITYINPOWERDISTRIBUTIONSYSTEMPowerQualitycanbedefineda6Therearetwoapproachestothemitigationofpowerqualityproblems.LoadConditioningLineConditioningAflexibleandversatilesolutiontovoltagequalityproblemsisofferedbyActivePowerFilters.ShuntactivepowerfiltersoperateasacontrollablecurrentsourceseriesactivepowerfiltersoperatesasacontrollablevoltagesourceSOLUTIONSTOTHEPOWERQUALTIYActiveFilterConnectionLoadonACSupplyACSupplyOnLoadShuntCurrentHarmonicFiltering.Reactivecurrentcompensation.Currentunbalance.VoltageFlickerSeriesCurrentHarmonicFiltering.Reactivecurrentcompensation.Currentunbalance.VoltageFlickerVoltageUnbalanceVoltageSag/Swell.VoltageUnbalance.VoltageDistortion.VoltageInterruption.VoltageFlickerandnotching.Therearetwoapproachestoth73phaseuncontrolleddiodebridgerectifierwithresistiveloadingUsingtheswitchingmodepowerconvertertoperformtheharmoniccurrentelimination.Thepowerconverteriscontrolledtogenerateacompensationcurrent,whichisequalbutoppositetheharmonicandreactivecurrentsgeneratedfromthenonlinearload.AvoltagesourceinverterhavingIGBTswitchesandanenergystoragecapacitoronDCbusisimplementedasashuntAPF.PRINCIPLEOFACTIVEPOWERFILTERFig.BlockDiagramofAPF3phaseuncontrolleddiodebrid8ShuntActivePowerFilters:Itcompensatecurrentharmonicsbyinjectingequal-but-oppositeharmoniccompensatingcurrent.Itoperatesasacurrentsourceinjectingtheharmoniccomponentsgeneratedbytheloadbutphaseshiftedby180deg.TYPESOFACITVEPOWERFILTERSFig.CompensationcharacteristicsofashuntactivepowerfilterShuntActivePowerFilters:TYP92.SeriesActivePowerFilters:Fig.SeriesactivepowerfiltertopologyItcompensatecurrentsystemdistortioncausedbynon-linearloads.ThehighimpedanceimposedbytheseriesAPFiscreatedbygeneratingavoltageofthesamefrequencythatthecurrentharmoniccomponentthatneedstobeeliminated.Voltageunbalanceiscorrectedbycompensatingthefundamentalfrequencynegativeandzerosequencevoltagecomponentsofthesystem.2.SeriesActivePowerFilte10HybridActivePowerFilters:Fig.HybridActivepowerfilterBycontrollingtheamplitudeofthevoltagefundamentalcomponentacrossthecouplingtransformer,thePFofthepowerdistributionsystemcanbeadjusted.Thecontroloftheloadpowerfactorimposedahighervoltageacrossthefiltercapacitor.ThistypeofconfigurationisveryconvenientforcompensationofhighpowermediumvoltagenonlinearloadsHybridActivePowerFilters:Fi11Inthree-phasecircuits,instantaneouscurrentsandvoltagesareconvertedtoinstantaneousspacevectors.Three-phasecurrentsandvoltagesarecalculatedasfollowingequationsInthree-phaseconventionalinstantaneouspoweriscalculatedasfollows:

P=eα.iα+eβ.iβ Infact,activepower(p)isequaltofollowingequation: P=ea.ia+eb.ib+ec.icINSTANTANEOUSPOWERTHEORY

αandβareorthogonalcoordinates.Inthree-phasecircuits,insta12InstantaneousrealandimaginerpowersarecalculatedasequationTheaboveequationcanbewrittenasFromaboveinstantaneouscompensatingcurrentasαandβCoordinatesaregivenbelow

Continued…Instantaneousrealandimagine13PROPOSEDMETHODItmustbeusedwhenthevoltagesaredistortedorunbalancedandsinusoidalcurrentsaredesired.Inproposedmethod,instantaneousvoltagesarefirstconvertedtoα-βcoordinatesandthentostationaryd-qcoordinates.Theproducedd-qcomponentsofvoltagesarefilteredandreverseconvertedα-βcoordinates.Thesefilteredα-βcomponentsofvoltagesareusedinconventionalinstantaneouspowertheory.PROPOSEDMETHODItmustbeuse14SCHEMATICDIAGRAMOFSHUNTAPFSCHEMATICDIAGRAMOFSHUNTAPF153-Phase4-WireShuntActivePowerFilterwithRenewableEnergyInterface3-Phase4-WireShuntActivePo16BLOCKDIAGRAMOFSHUNTAPFWITHRENEWABLEENERGYINTERFACEBLOCKDIAGRAMOFSHUNTAPFWIT17SIMULATIONRESULTSSIMULATIONRESULTS18AnewAPFcontrolschemehasbeenproposedtoimprovetheperformanceofAPFundernon-idealmainsvoltagescenarios.Experimentalresultsinascaled-downlaboratoryprototypewillbedoneandreportedinfuturepaper.APF,basedontheproposedtheory,givesatisfactoryoperationevenwhenthesystemphasevoltagesareunsymmetricalanddistorted,becausenodistortionappearsinthelinecurrents.TheAPFisfoundeffectivetomeetIEEE519standardrecommendationsonharmonicslevelsinallofthenon-idealvoltageconditions.Theswitchingfrequencyandalsoswitchinglossesarereduced%23inproposedmethodCONCLUSIONAnewAPFcontrolsche19Engin?zdemir,Member,IEEE,MuratKale,S?ule?zdemir.,“ActivePowerFilterforPowerCompensationUnderNon-IdealMainsVoltages”LuisA.Morán,JuanW.Dixon.,-“Usingactivepowerfilterstoimprovepowerquality”Akagi,H.,Kanazawa,Y.,andNabae,A.,“Instantaneousreactivepowercompensatorscomprisingswitchingdeviceswithoutenergystoragecomponents.IEEETransactionsonIndustrialApplications,Vol.20,pp.625-630,1984.Singh,B.,HaddadK.,Chandra,A.,“ANewControlApproachtoThree-PhaseActiveFilterforHarmonicsandReactivePowerCompensation,IEEETrans.onPowerSystems,Vol.13,No.1,pp.133-138,1998.REFERENCEEngin?zdemir,Member,IEEE,M20THANKYOUTHANKYOU21謝謝你的閱讀知識(shí)就是財(cái)富豐富你的人生71、既然我已經(jīng)踏上這條道路，那么，任何東西都不應(yīng)妨礙我沿著這條路走下去?！档?/p>

72、家庭成為快樂(lè)的種子在外也不致成為障礙物但在旅行之際卻是夜間的伴侶?！魅_

73、堅(jiān)持意志偉大的事業(yè)需要始終不渝的精神?！鼱柼?/p>

74、路漫漫其修道遠(yuǎn)，吾將上下而求索?！?/p>

75、內(nèi)外相應(yīng)，言行相稱(chēng)。——韓非謝謝你的閱讀知識(shí)就是財(cái)富71、既然我已經(jīng)踏上這條道路，那么，22ACTIVEPOWERFILTERFORPOWERCOMPENSATION：電力有源電力濾波器補(bǔ)償16、云無(wú)心以出岫，鳥(niǎo)倦飛而知還。17、童孺縱行歌，斑白歡游詣。18、福不虛至，禍不易來(lái)。19、久在樊籠里，復(fù)得返自然。20、羈鳥(niǎo)戀舊林，池魚(yú)思故淵。ACTIVEPOWERFILTERFORPOWERCOMPENSATION：電力有源電力濾波器補(bǔ)償ACTIVEPOWERFILTERFORPOWERCOMPENSATION：電力有源電力濾波器補(bǔ)償16、云無(wú)心以出岫，鳥(niǎo)倦飛而知還。17、童孺縱行歌，斑白歡游詣。18、福不虛至，禍不易來(lái)。19、久在樊籠里，復(fù)得返自然。20、羈鳥(niǎo)戀舊林，池魚(yú)思故淵。ACTIVEPOWERFILTERFORPOWERCOMPENSATIONPresentedBy:ARUNKUMARN.K1OX11EPE01InthisPresentation,anewActivePowerFilter(APF)controlschemehasproposedtoimprovetheperformanceoftheAPF.Thispresentationpresentsanewtechniquewithinstantaneouspowertheory(P-Qtheory)inordertocontrolofAPFundernon-idealmainsvoltageconditions.Performanceoftheproposedschemehasbeenfoundfeasibleandexcellenttothatoftheinstantaneousreactivepoweralgorithmsundervariousnon-idealmainstestscenarios.MATLAB/SIMULINKpowersystemtoolboxisusedtosimulatetheproposedsystem.Theproposedmethod’sperformanceiscomparedwithconventionalinstantaneouspower(P-Q)theory.Thesimulationresultsarepresentedanddiscussedshowingtheeffectivenessofthecontrolalgorithm.ABSTRACTACTIVEPOWERFILTERFORPOWER23ACTIVEPOWERFILTERFORPOWERCOMPENSATIONPresentedBy:ARUNKUMARN.K1OX11EPE01ACTIVEPOWERFILTERFORPOWER24InthisPresentation,anewActivePowerFilter(APF)controlschemehasproposedtoimprovetheperformanceoftheAPF.Thispresentationpresentsanewtechniquewithinstantaneouspowertheory(P-Qtheory)inordertocontrolofAPFundernon-idealmainsvoltageconditions.Performanceoftheproposedschemehasbeenfoundfeasibleandexcellenttothatoftheinstantaneousreactivepoweralgorithmsundervariousnon-idealmainstestscenarios.MATLAB/SIMULINKpowersystemtoolboxisusedtosimulatetheproposedsystem.Theproposedmethod’sperformanceiscomparedwithconventionalinstantaneouspower(P-Q)theory.Thesimulationresultsarepresentedanddiscussedshowingtheeffectivenessofthecontrolalgorithm.ABSTRACTInthisPresentation,a25INTRODUCTIONPOWERQUALTITYINPOWERDISTRIBUTIONSYSTEMSSOLUTIONSTOPOWERQUALITYPROBLEMSBASICPRINCIPLEOFACTIVEPOWERFILTERSTYPESOFTHEACTIVEPOWERFILTERSINSTANTANEOUSPOWERTHEORYTHEPROPOSEDMETHODSHUNTACITVEPOWERFILTER3-PHASE4-WIRESHUNTACIVEPOWERFILTERWITHRENEWABLEENERGYINTERFACE

SIMULATIONRESULTSCONCLUSIONREFERENCECONTENTSINTRODUCTIONCONTENTS26INTRODUCTIONInamodernpowersystem,increasingofloadsandnon-linearequipment'shavebeendemandingthecompensationofthedisturbancescausedforthem.Thesenonlinearloadsmaycausepoorpowerfactorandhighdegreeofharmonics.ActivePowerFilter(APF)cansolveproblemsofharmonicandreactivepowersimultaneously.APFhavetheabilitytoadjusttheamplitudeofthesynthesizedacvoltageoftheinvertersbymeansofpulsewidthmodulationorbycontrolofthedc-linkvoltage,thusdrawingeitherleadingorlaggingreactivepowerfromthesupply.ShuntAPF’sallowthecompensationofcurrentharmonicsandunbalance,togetherwithpowerfactorcorrectionINTRODUCTIONInamodernpower27PowerQualitycanbedefinedasthephysicalphysicalcharacteristicsoftheelectricalsupplyprovidedundernormaloperatingconditionsthatdonotdisturbthecustomersprocess.PowerQualityproblemexistsduetochangeinvoltage,currentorfrequencydeviationresultsinafailureorinabadoperationoftheequipment.PowerQualityproblemsaredueto

NaturalPhenomena SwitchingPhenomena Connectionofhighpowernonlinearloads VoltageSagsPOWERQUALITYINPOWERDISTRIBUTIONSYSTEMPowerQualitycanbedefineda28Therearetwoapproachestothemitigationofpowerqualityproblems.LoadConditioningLineConditioningAflexibleandversatilesolutiontovoltagequalityproblemsisofferedbyActivePowerFilters.ShuntactivepowerfiltersoperateasacontrollablecurrentsourceseriesactivepowerfiltersoperatesasacontrollablevoltagesourceSOLUTIONSTOTHEPOWERQUALTIYActiveFilterConnectionLoadonACSupplyACSupplyOnLoadShuntCurrentHarmonicFiltering.Reactivecurrentcompensation.Currentunbalance.VoltageFlickerSeriesCurrentHarmonicFiltering.Reactivecurrentcompensation.Currentunbalance.VoltageFlickerVoltageUnbalanceVoltageSag/Swell.VoltageUnbalance.VoltageDistortion.VoltageInterruption.VoltageFlickerandnotching.Therearetwoapproachestoth293phaseuncontrolleddiodebridgerectifierwithresistiveloadingUsingtheswitchingmodepowerconvertertoperformtheharmoniccurrentelimination.Thepowerconverteriscontrolledtogenerateacompensationcurrent,whichisequalbutoppositetheharmonicandreactivecurrentsgeneratedfromthenonlinearload.AvoltagesourceinverterhavingIGBTswitchesandanenergystoragecapacitoronDCbusisimplementedasashuntAPF.PRINCIPLEOFACTIVEPOWERFILTERFig.BlockDiagramofAPF3phaseuncontrolleddiodebrid30ShuntActivePowerFilters:Itcompensatecurrentharmonicsbyinjectingequal-but-oppositeharmoniccompensatingcurrent.Itoperatesasacurrentsourceinjectingtheharmoniccomponentsgeneratedbytheloadbutphaseshiftedby180deg.TYPESOFACITVEPOWERFILTERSFig.CompensationcharacteristicsofashuntactivepowerfilterShuntActivePowerFilters:TYP312.SeriesActivePowerFilters:Fig.SeriesactivepowerfiltertopologyItcompensatecurrentsystemdistortioncausedbynon-linearloads.ThehighimpedanceimposedbytheseriesAPFiscreatedbygeneratingavoltageofthesamefrequencythatthecurrentharmoniccomponentthatneedstobeeliminated.Voltageunbalanceiscorrectedbycompensatingthefundamentalfrequencynegativeandzerosequencevoltagecomponentsofthesystem.2.SeriesActivePowerFilte32HybridActivePowerFilters:Fig.HybridActivepowerfilterBycontrollingtheamplitudeofthevoltagefundamentalcomponentacrossthecouplingtransformer,thePFofthepowerdistributionsystemcanbeadjusted.Thecontroloftheloadpowerfactorimposedahighervoltageacrossthefiltercapacitor.ThistypeofconfigurationisveryconvenientforcompensationofhighpowermediumvoltagenonlinearloadsHybridActivePowerFilters:Fi33Inthree-phasecircuits,instantaneouscurrentsandvoltagesareconvertedtoinstantaneousspacevectors.Three-phasecurrentsandvoltagesarecalculatedasfollowingequationsInthree-phaseconventionalinstantaneouspoweriscalculatedasfollows:

P=eα.iα+eβ.iβ Infact,activepower(p)isequaltofollowingequation: P=ea.ia+eb.ib+ec.icINSTANTANEOUSPOWERTHEORY

αandβareorthogonalcoordinates.Inthree-phasecircuits,insta34InstantaneousrealandimaginerpowersarecalculatedasequationTheaboveequationcanbewrittenasFromaboveinstantaneouscompensatingcurrentasαandβCoordinatesaregivenbelow

Continued…Instantaneousrealandimagine35PROPOSEDMETHODItmustbeusedwhenthevoltagesaredistortedorunbalancedandsinusoidalcurrentsaredesired.Inproposedmethod,instantaneousvoltagesarefirstconvertedtoα-βcoordinatesandthentostationaryd-qcoordinates.Theproducedd-qcomponentsofvoltagesarefilteredandreverseconvertedα-βcoordinates.Thesefilteredα-βcomponentsofvoltagesareusedinconventionalinstantaneouspowertheory.PROPOSEDMETHODItmustbeuse36SCHEMATICDIAGRAMOFSHUNTAPFSCHEMAT

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