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Abstract:ActivePowerCorrection(APFC)inaddressingaspectsofswitchingpowersupplypowerfactorhasbeenwellapplied.Inthispaper,single-phaseactivepowercorrectiontechnologytoimprovethepowerfactorswitchingpowersupply,themaincircuitBoost-typecircuit,thecontrolusescurrentmodecontrolofvoltageandcurrentdoubleclosedloop.CircuitwithSimulinksimulationsoftware,hasachievedgoodresults.Keywords:Powerfactorcorrection;Double-loopcontrol;BOOSTconverter;MATLABPICOVOVVEVrampRSVO