ValueUnit380volt420volt24volt6A12volt5A250kHZ68kHZ90kHZ1.14cm^20.25T0.950.26141.07353OHM0.043055uF72.63609uH435.8165uH0.197459mm7.66129R14.84375R24.5098Ts3.199174Ts1.651187TsResonantCapacitorZpHBLLC线路的变压器设计参数注意半周期实际选用的变压器见附件。初级圈数LLC槽路设计参数n2NpResonantInductorTRPriInductorLmLrSymbolFunctionDescriptionlgNs1初次1级匝比初次2级匝比表明输入电压的范围HBLLC_ResonantDesign——byRickyInputVoltage:VminVmax系统的传输函数HBLLC线路等效模型:(如右图)ParameterOutputCurent2:Vo2Io2OutputVoltage1:Vo1AeBmaxTRData电源输出特性StartFrequencyMinimumFrequencyOutputCurent1:Io1OutputVoltage2:QNormalizedCRatioJNormalizedVRatioResonantFrequency谐振回路在不同负载和输入电压时,变换器的频率范围FstartFminFr选择磁心的参数EquivalentResistor表示反射电压和电流的有效比值LLC槽路的特性参数LLCLm/LrRatioKLLCZo/ZpRatioQKM变压器气隙次级1圈数次级1圈数n1Ns2CrCr33nLr100uHZo40Lp600uHV1400Vac0VdcZoLpSSLpCrZoLrCrZoLrCrLpSLpZoCrSSH232)()(PSPICE仿真;系统特性是频率和负载的函数),()2(ZofHfH0Lr100uHV-IR210kRbV2PER=12.5usPW=6usTD=0usV2=12D2Zo48V+VCCDC=420RaM2IRF840WM1IRF840IV4PER=12.5usPW=6usTD=6.25usV2=12VLm500uHR110kCr33nV+V-D1ValueUnit33ms0.22uF250kHZ68kHZ85kHZ220pF94.25134Kohm35.21479KohmRfParameterSymbolFunctionDescriptionRfminRfstartCfCfStartFrequencyFstartMinimumFrequencyFminResonantFrequencyFrL6598DATADesign——byRickySoftStart:TssTss=30~40msCssBlockDiagram(如右图)Q2Q2N3904RB1SV2Implementation=V2DP1D1N4007ILS_DRICboot0.1uTX1TN33_20_11_2P90L1_TURNS=40L2_TURNS=5COUPLING=0.9R210kV-M1IRF840RA1V+R4200mD2RL2.4VVcc13Vdcfr=1/(2*pi*sqrt(Cr*Lr))VccDS3M2IRF840Vdc420MOSFETDriverPARTCr33nVO0VccQ4Q2N3906Np=Vdc/(8*fs*Bmax*Ae)VccSV1Implementation=V1CS222uFOUTVf_pp=2/piVdcHS_DRIQ1Q2N3904Re=8*RL/(pi^2*n^2)PARAMETERS:Lr{Lr}DP2D1N4007Lm600uH0DS5DS6OUTD1LS110uH12Q3Q2N39060LS_DRIDS4R110kICS147uF0LLCRESONANTCONVERTERHS_DRIQ2Q2N3904RB1SV2Implementation=V2DP1D1N4007ILS_DRICboot0.1uTX1TN33_20_11_2P90L1_TURNS=40L2_TURNS=5COUPLING=0.9R210kV-M1IRF840RA1V+R4200mD2RL2.4VVcc13Vdcfr=1/(2*pi*sqrt(Cr*Lr))VccDS3M2IRF840Vdc420MOSFETDriverPARTCr33nVO0VccQ4Q2N3906Np=Vdc/(8*fs*Bmax*Ae)VccSV1Implementation=V1CS222uFOUTVf_pp=2/piVdcHS_DRIQ1Q2N3904Re=8*RL/(pi^2*n^2)PARAMETERS:Lr{Lr}DP2D1N4007Lm600uH0DS5DS6OUTD1LS110uH12Q3Q2N39060LS_DRIDS4R110kICS147uF0LLCRESONANTCONVERTERHS_DRI