1.PFCcalculationsDRAFTin-andoutputparametersVAC_min90Vacminimummainsinputvoltage(rms)UserinputVAC_max277Vacmaximummainsinputvoltage(rms)CalculationresultVboost_min415VdcminimumPFCoutputvoltageDatasheetparameterVboost_nom430VdcmaximumPFCoutputvoltagePo90Woutputpowereff0.92efficiencyPFC+LLCPin97.8WinputpowerPFCinductorcalculationsIp_max3.38Amaximumpeakcurrent(incl+10%)Fs_min30000HzFs_minatVboost_...
Vpfc=370(V)输出电压Vo=63(V)输出电流Io=4(A)输出功率Po=252(W)第一步:保持时间要求Th=0.25(ms)Cpfc=150(uF)预估变压器转换效率E=0.95输入功率Pin=265.263158(W)Vin-min=368.803185(V)输入最大电压Vin-max=430(V)K=5第二步:最小增益Mmin=0.86046512最大增益Mmax=1.00324513第三步:整流管正向压降Vf=0.8(V)理论匝比n=2.89968652实际变压器匝比Nreal=3.17644743第四步:等效负载阻抗Rac=110.086274(ohm)输出端阻抗Rout=16.1525...
已知:390V380V53.5V42V58V856W电流16A110KHz6求解:3.577981651.1110574634.67328880.47830808LLC参数设计(A840)输入电压(VinMAX):输入电压(VinMIN):输出电压(VOUT)输出电压(VOUTmin)输出电压(VOUTmax)输出功率(P):谐振频率(Fr)K值变压器匝比(n):最大增益Mmax等效输出阻抗RAC最大Q值Qmax75.2026996谐振网络参数16.5845140.0872860724.0076925144.046155变压器原副边匝数计算已知:1610.32NP=17.51993774.89659797最小...
系统的传输函数ParameterSymbolValueInputVoltage:Vmin380volt表明输入电压的范围Vmax420voltOutputVoltage1:Vo124volt电源输出特性OutputCurent1:Io16AOutputVoltage2:Vo212voltOutputCurent2:Io25AStartFrequencyFstart250kHZMinimumFrequencyFmin68kHZResonantFrequencyFr90kHZTRDataAe1.14cm^2选择磁心的参数Bmax0.25TNormalizedVRatioM0.95NormalizedCRatioJ0.2LLCLm/LrRatioKK6LLCZo/ZpRatioQQ1EquivalentResistorZp41.07...
参数名称输入参数中间过程输出数据单位Vdc_nom360.000VoltsVdc_min340.000VoltsVdc_max380.000VoltsVout_nom47.600VoltsVout_min43.200VoltsVout_max54.000VoltsIout_nom60.000AIout_max60.000AIOCP20.000AFr1120000.000HzFs_max_manul200000.000Fs_max_cal292594.735HzFs_max_act200000.000Rds_on0.150ΩCoss0.453nFCstray0.200nFCzvs1.106nFVDF0.240VoltsT_dead270.000nSη0.970Z0.500π3.142Pout_tol_nom2856.000WPout_tol_m...