磁共振模式无线电能传输系统建模与分析

3212Vol.32No.12Apr.25,20122012425ProceedingsoftheCSEE©2012Chin.Soc.forElec.Eng.1550258-8013(2012)12-0155-06TM74A470·40(400030)ModelingandAnalysisofMagneticResonanceWirelessPowerTransmissionSystemsZHAIYuan,SUNYue,DAIXin,SUYugang,WANGZhihui(CollegeofAutomation,ChongqingUniversity,ShapingbaDistrict,Chongqing400030,China)ABSTRACT:Inordertosolvetheproblemofthecalculationofthepowervalueanditsefficiencyofthemagneticresonancewirelesspowertransmissionsystem,basedonthemutualinductancecouplingmode,thecalculationmodelforthetransmissionpoweranditsefficiencyofthesystemwasgiventhroughanalyzingthesystemwithfourdifferenttopologies.Andfurtheranalysisoftherelationshipbetweenthesystemtransmissionefficiencyandresonantfrequencyofthecoil,mutualinductance,coilresistanceandotherparameterswasgiventoo,whichcanprovidethetheoreticalbasisforthedesignandenergyoptimizationofthesystem.Amagneticresonancemodeofwirelesspowertransmissionsystemequipmentwasdesignedtoverifythetheoreticalanalysis.Theequipmentcantransfer60Wofwirelesspowerthroughadistanceof80cm,andthetransmissionefficiencyis52%.KEYWORDS:mutualinductancecoupling;magneticresonancemode;resonantfrequency;mutualinductance;coilresistance;parameteroptimization480cm60W52%(50807057)(200902285)(CDJXS11172238)ProjectSupportedbyNationalNaturalScienceFoundationofChina(50807057);SpecializedFundsforChinaPostdoctoralScienceFoundation(200902285);ChinaPostdoctoralScienceSpecialFoundation(CDJXS11172238).0(inductivelycoupledpowertransferICPT)[1-4][5-10]80%200kW[10-13]15cm[14-15]2007MIT2m60W15%[16]MIT[17-18][19][20]11.11563211Fig.1Blockdiagramofthemagneticresonancemodeofwirelesspowertransmissionsystem21MHz221.2PSSSPSSPSSSSSSSP42PS([17]21)UiIiLsLr12CpCoLpLLRpRLRsRr12RoZrl2Zsr21Zps1Mps1(a)PSSS12IiCpRpIpZpsLpMpsMsrMrlIsIrILZsrCsRsLsZrlCrRrLrLLRLCoRoIo(b)PSSP12IiCpRpIpZpsLpMpsMsrMrlIsIrILZsrCsRsLsZrlCrRrLrLLRLRoIoCo(c)SSSS12UiCpRpIpZpsLpMpsMsrMrlIsIrILZsrCsRsLsZrlCrRrLrLLRLCoRoIo(d)SSSP12UiCpRpIpZpsLpMpsMsrMrlIsIrILZsrCsRsLsZrlCrRrLrLLRLRoIoCo2Fig.2ResonanttopologiesofmagneticresonanceenergytransfersystemMsrMrl222.1RoRraRraRo[18]1SSSPPSSP2121572SSSPPSSP40Ip1Is2IrRoIo2020pspsssrsrsrrrlrlrooMIIRZMIIRZMIIL(1)2zrl202jrlorlrlllMRMzLL(2)(2)2zrlzsrzps22202220rlorllsrsrrlorlpspssrMRzLMzMRRLMzz(3)(1)(3)422222022222220()pssrrllpoooosrlsrlsorlMMMLIRpIRMLRRLRRM(4)resonace2()oppspPIZR4222202222221001()pssrrllopslrpsrlopMMMLRhMLRMMRhR(5)2222210srlsrlsorlhMLRRLRRM2SSSSPSSSSSSSPSSSSSSPPSSPPoresonace222220222220()pssrrlpoooosrorlssroMMMIRpIRRRRMRMR(6)22220resonace22222101()()pssrrlooppsppsrlpsropMMMRPIZRhMMMRRhR(7)22210/rlSsrosrohMRMRRRR2.21Msr20MHz2220srlML22srlsorlRRLRRM(4)2srlRRL2sorlRRM222222psrlpoosrlMMIRpML(8)(8)Msr(4)MsrRsRrMsr22srlsorlRRLRRM2220srlML2220srlML4222220222()pssrrllpoosrlsorlMMMLIRpRRLRRM(9)Msr(9)15832(4)Msrd0dosrPM(10)(11)22_opt-0srlsorlsrsslRRLRRMML(11)(5)Msr222222120024_opt_440()[]pslrpsrlopsrelphMLRMMRRhMLR(12)222sorlsrlhRRMRRL2Msr_opt_pMsr_opt_e220_opt_20rlssrosrpoMRRRRMR(13)42222120024_opt_420()[]psrlpsorpsrepohMMMRRRhMRR(14)2220rlssrohMRRRR37.7MHzSSSP11Tab.1Componentvaluesofmagneticenergytransmissionsystems12Lp1.1HLs39.4HLr51.1HLl1.1HCp378pFCs10.8pFCr8.5pFCo378pFRp50Rs2.1Rr2.5Ro50f7.69MHzf7.70MHzf7.67MHzf7.69MHz37.7MHzE121310cm6mm5mm12078mm2120cm26cm1cm213cm21cm1cm3Fig.3Pictureofexperimentaldevice50cm100cm20.4A114cm0.95H216cm0.65H2Tab.2Mutualinductancebetweentheresonancecoilsatdifferentdistances/cm5060708090100/H0.7050.4370.2980.1490.0820.057121595045D/cmPo/W05020608010070901006080404Fig.4SystemoutputpowercurveatdifferenttransmissiondistanceD/cm0.0500.20.40.6709010060805Fig.5Systemoutputefficiencycurveatdifferenttransmissiondistance0.135H0.228H24542123[1]BoysJTGreenAWInductivelycoupledpowertransmissionconcept-designandapplication[J]TheInstitutionofProfessionalEngineersNewZealandTransmissions199522(1)1-9[2]GreenAWBoysJT10kHzinductivelycoupledpowertransfer-conceptandcontrol[J]PowerElectronicsandVariableSpeedDrives1994(399)694-699[3][J]201030(33)44-50SunYueXiaChenyangDaiXinetalAnalysisandoptimizationonmutualinductanceforinductivelycoupledpowertransfersystem[J]ProceedingsoftheCSEE201030(33)44-50(inChinese)[4][J]200326(1)50-53DaiXinSunYueNovelpowersupplymethodandtechnologyanalysisforelectrifiedmonorailsystem[J]JournalofChongqingUniversity200326(1)50-53[5]FengAmingQinHaihongMaoZhixinetalAnalysisofbifurcationphenomenabasedonoptimizedtransformerinlooselycoupledinductivepowertransfersystem[C]//ElectricalandControlEngineeringWuhanChinaWuhanInstituteofTechnology20103324-3327[6]WangGLiuWSivaprakasamMetalDesignandanalysisofanadaptivetranscutaneouspowertelemetryforbiomedicalimplants[J]IEEETransactionsonCircuitsandSystems200552(10)2109-2117[7]ElliottGAJCoviclGANewconceptasymmetricalpick-upsforinductivelycoupledpowertransfermonorailsystems[J]IEEETransactionsonMagnetics200642(10)