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无功功率补偿毕业论文中英文资料外文翻译文献HARMONICDISTORTIONANDREACTIVEPOWERCOMPENSATIONINSINGLEPHASEPOWERSYSTEMSUSINGORTHOGONALTRANSFORMATIONTECHNIQUEW.Hosny(1)andB.Dobrucky(2)(1)UniversityofEastLondon,England(2)UniversityofZilina,SlovakRepublicABSTRACTThispaperreportsanovelstrategyforanalysingasinglephasepowersystemfeedinganon-linearload.Thisstrategyisbasedonanewtheorytotransformthetraditionalsinglephasepowersystemintoanequivalenttwo-axisorthogonalsystem.Thissystemisbasedoncomplementingthesinglephasesystemwithafictitioussecondphasesothatbothofthetwophasesgenerateanorthogonalpowersystem.Thiswouldyieldapowersystemwhichisanalogoustothethreephasepowersystembutwiththephaseshiftbetweensuccessivephasesequaltoл/2insteadof2л/3.ApplicationofthisnovelapproachmakesitpossibletousethecomplexorGaussdomainanalyticalmethodinasimilarwaytothewellknownmethodofinstantaneousreactivepowerforthreephasepowersysteminstigatedbyAkagietalin1983.Thus,forthefictitioustwo-axisphasepowersystem,theconceptofinstantaneousactiveandreactivepowercouldbeinstigated.Moreover,theconceptofinstantaneouspowerfactorcouldbedefined.Thenovelstrategyofpowersystemanalysisoutlinedinthispaperisappliedtoasinglephasepowersystemfeedinganon-linearloadinconjunctionwithanactivepowerfilter.Thelatterservesthepurposeofcompensatingforeitheroftheinstantaneousreactivepowerortheharmoniccurrentdistortioninthesinglephasepowersystemunderinvestigationorforcompensatingofboth.Experimentalresultsdemonstratedtheeffectivenessofthenovelsinglephasepowersystemanalysisreportedinthispaper.Keywords:singlephasepowersystems,orthogonaltransformationtechnique,harmonicdistortionandreactivepowercompensation1INTRODUCTIONInthissectiontheorthogonaltransformationtechniqueappliedtoasinglephasepowersysteminstigatedbyAkagietal,reference[1],isdescribed.Byadoptingthistechniqueexpressionsforthereferencecurrentsusedinanactivepowerfilterforthecompensationofharmonicdistortionorreactivepowerorboth,arederived.Considerasinglephasepowersystemwhichisdefin
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