ACTIVEPOWERFILTERFORPOWERCOMPENSATION电力有源电力滤波器补偿-豆柴文库

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会计学InthisPresentation,anewActivePowerFilter(APF)controlschemehasproposedtoimprovetheperformanceoftheAPF.Thispresentationpresentsanewtechniquewithinstantaneouspowertheory(P-Qtheory)inordertocontrolofAPFundernon-idealmainsvoltageconditions.Performanceoftheproposedschemehasbeenfoundfeasibleandexcellenttothatoftheinstantaneousreactivepoweralgorithmsundervariousnon-idealmainstestscenarios.MATLAB/SIMULINKpowersystemtoolboxisusedtosimulatetheproposedsystem.Theproposedmethod’sperformanceiscomparedwithconventionalinstantaneouspower(P-Q)theory.Thesimulationresultsarepresentedanddiscussedshowingtheeffectivenessofthecontrolalgorithm.INTRODUCTION
POWERQUALTITYINPOWERDISTRIBUTIONSYSTEMS
SOLUTIONSTOPOWERQUALITYPROBLEMS
BASICPRINCIPLEOFACTIVEPOWERFILTERS
TYPESOFTHEACTIVEPOWERFILTERS
INSTANTANEOUSPOWERTHEORY
THEPROPOSEDMETHOD
SHUNTACITVEPOWERFILTER
3-PHASE4-WIRESHUNTACIVEPOWERFILTERWITHRENEWABLEENERGYINTERFACE
SIMULATIONRESULTS
CONCLUSION
REFERENCE
INTRODUCTIONPowerQualitycanbedefinedasthephysicalphysicalcharacteristicsoftheelectricalsupplyprovidedundernormaloperatingconditionsthatdonotdisturbthecustomersprocess.
PowerQualityproblemexistsduetochangeinvoltage,currentorfrequencydeviationresultsinafailureorinabadoperationoftheequipment.
PowerQualityproblemsaredueto
	NaturalPhenomena
	SwitchingPhenomena
	Connectionofhighpowernonlinearloads
	VoltageSagsTherearetwoapproachestothemitigationofpowerqualityproblems.
LoadConditioning
LineConditioning
AflexibleandversatilesolutiontovoltagequalityproblemsisofferedbyActivePowerFilters.
Shuntactivepowerfiltersoperateasacontrollablecurrentsource
seriesactivepowerfiltersoperatesasacontrollablevoltagesource3phaseuncontrolleddiodebridgerectifierwithresistiveloading
Usingtheswitchingmodepowerconvertertoperformtheharmoniccurrentelimination.
Thepowerconverteriscontrolledtogenerateacompensationcurrent,whichisequalbutoppositetheharmonicandreactivecurrentsgeneratedfromthenonlinearload.
AvoltagesourceinverterhavingIGBTswitchesandanenergystoragecapacitoronDCb