Design Specification
Input RMS VoltageOutput PowerOutput DC VoltageEfficiencyInput PowerLmntT18016.5508818.85702.313.33V ACWV DC%WµHµsMagnetic Core Selection
Current RMS value for AP (Area Product) Calculation
Ip_rmsIs_rms0.2290.631AAPrimary winding current RMS valueSecondary winding current RMS valueCore Marterial SelectionSelect Material:
0.34Bs_25Bs_100BmaxDMEGC DMR44Substitute material:0.510.40.26TeslaTeslaTeslaTDK PC44
Saturation flux density of the core marteriaSaturation flux density of the core marteriaDefine maximum operation flux density. ToArea Product (AP) Value Calculation
AP888Calculated AP value – product of core areamm4Core Selection Criteria: Ae*Aw must be larger than the calcu
Select Core:
AeWwHwMLTVeAP of CoreEE1922..811.53001237mm2mmmmmmmm34mmEE19/16/5Core AreaWidth of the Core Winding WindowHeight of the Core Winding WindowMean Length of Turn of WindingsEquivolent Volume of the CoreAP of core=Ae*Aw=Ae*Ww*Hw (should bePrimary, Secondary and Auxiliary Winding SelectionWindingN1N2Nbias725516TurnsTsTsTsType(Select)2UEW2UEW2UEWStrands ofWireCalculated(Select)Wire Dia.(mm)1120.220.370.13Final Design Results
BmaxBacmaxKuVbias0.260.130.3013.84TeslaTeslaFactorVoltFinal maximum flux density results, It usuaFinal maximum flux density variation valueWindow utilization factor of wire. The valueDesign PerformancePerfect DesignPlot of Flux Density
Flux Density (T)0.30.250.20.150.10.050One Half-line Cycle Operation Parameter Calculation
Estimated power loss on transformer
P windingP coreP total301.5032.57334.07mWmWmWCopper (Winding) LossCore LossTotal Loss25ºC231.9276.92308.841102030405060708090100110120130140150160170179Phase Angle (deg)e
rterial at 25ºCrterial at 100ºC
ty. To avoid the transformer saturation, Bmax is smaller th
e area (Ae) and winding area (Aw)
an the calculated AP value
ld be greater than the calculated AP value above)
Selected WireDia.(mm)0.350.450.2NotesSelect wire type and number ofparallel windings, then comfirm thewire gauge according to calculatedwire diameter. WindingR_100Wiring TurnsResistancesWindingNumber per(25C,ohm)ResistancesLayer0.4900.2270.6370.295241940 usually is lower than 0.85*Bs_100 to avoid value
value is expected to fall between 0.2o 0.35.
Bmax100ºC301.5032.57334.07Width of Tape(mm)9.5Np1126Ns155
