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基于ANSYSMaxwell的耦合電感仿真研究Title:SimulationofCoupledInductancesUsingANSYSMaxwellAbstract:Coupledinductancesplayacrucialroleinvariouselectricalandelectronicsystems,suchaspowerconverters,transformers,andresonantcircuits.Accuratesimulationandanalysisofthesecoupledinductancesareessentialforoptimizingtheirperformanceandensuringtheirreliability.ThispaperpresentsastudyonthesimulationofcoupledinductancesusingANSYSMaxwell,apowerfulelectromagneticfieldsimulationtool.ThesimulationresultsdemonstratetheeffectivenessofANSYSMaxwellinanalyzingthemagneticfielddistribution,magneticcoupling,andinductancevaluesofcoupledinductors.1.Introduction1.1BackgroundCoupledinductorsarecommonlyusedtoachievevariousfunctionalitiesinelectricalcircuitsandsystems.Theyofferbenefitssuchasincreasedefficiency,improvedvoltageregulation,noisereduction,andimpedancetransformation.Understandingthebehaviorandcharacteristicsofcoupledinductancesisthusvitalforengineersandresearchersworkinginthefieldofelectricalandelectronics.1.2ObjectiveThemainobjectiveofthisstudyistoinvestigatethecapabilityofANSYSMaxwellinsimulatingtheelectromagneticbehaviorofcoupledinductances.Byanalyzingthemagneticfielddistributionandmagneticcoupling,accuratepredictionsofinductancevaluescanbeobtained.2.Methodology2.1ANSYSMaxwellOverviewANSYSMaxwellisafiniteelementanalysis(FEA)toolthatenablesthesimulationofelectromagneticfieldsinthree-dimensional(3D)structures.Itprovidesacomprehensivesetoftoolsformodeling,meshing,solving,andpost-processingelectromagneticproblems.BysolvingtheMaxwell'sequations,ANSYSMaxwellcalculatestheelectromagneticfielddistribution,currentdensities,andinductancevalues.2.2ModelingCoupledInductancesThecoupledinductorismodeledinANSYSMaxwellbycreatingseparatecoilsforeachinductor,andconnectingthemwithamagneticcouplingelement.Thegeometryofthecoils,materialsused,andthenumberofturnscanbedefinedinthesimulationmodel.Mutualinductancebetweenthetwocoilscanbeaccuratelycapturedusingappropriateboundaryconditionsandsolversettings.3.SimulationResultsandAnalysisTovalidatethesimulationmodel,variousscenarioswereconsidered,includingdifferentcoilgeometries,materials,andcouplingdistances.Thesimulationresultswerecomparedwiththeoreticalcalculationsandexperimentalmeasurements.3.1MagneticFieldDistributionThe3DmagneticfielddistributionwithinthecoupledinductorswasanalyzedusingANSYSMaxwell.Thesimulationresultsprovidedinsightsintothefluxdensity,fieldlines,andfluxlinkagebetweenthecoils.Theseresultswerefurtherusedtocalculatethemutualinductanceandassesstheeffectivenessofmagneticcoupling.3.2InductanceValuesInductancevalueswereobtainedfromthesimulationbycalculatingtheself-inductanceofeachcoilandthemutualinductancebetweenthecoils.TheaccuracyoftheinductancevaluespredictedbyANSYSMaxwellwascomparedwiththeoreticalcalculationsandexperimentalmeasurements.Thesimulationresultsdemonstratedgoodagreementwiththetheoreticalvalues,validatingthereliabilityofANSYSMaxwell.4.ConclusionThesimulationofcoupledinductancesusingANSYSMaxwellhasbeenpresentedinthispaper.TheresultsindicatethatANSYSMaxwellisaneffectivetoolforanalyzingtheelectromagneticbehaviorofcoupledinductances.Thesimulationaccuratelypredictsthemagneticfielddistribution,magneticcoupling,andinductancevalues.Thiscapabilityenablesengineersandresearcherstooptimizetheperformanceandreliabilityofvariouselectricalsystemsthatrelyoncoupledinductors.Furtherresearchcanbeconductedtoexploretheimpactofdifferentdesignparameters,suchascoilgeometries,materials,
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