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1、中英文翻译ThemeaningofcomputerswitchingpowersupplySwitchingPowerSupplyistheuseofmodernpowerelectronics,controltransistorsswitchonandofftheopeningtimerate,tomaintainastableoutputvoltagepowersupplies,switchingpowersupplyfromthegeneralpulsewidthmodulation(PWM)controlICandMOSFETpose.Linearpowersupplyand
2、switchingpowersupplycomparedwiththetwocostsareincreasingoutputgrowth,butwithdifferentgrowthrate.Powercostsinalinearoutputpowerpoint,buthigherthantheswitchingpowersupply,knownasthecostofthisreversalpoint.Withthedevelopmentofpowerelectronicstechnologyandinnovation,makingswitchingpowersupplytechno
3、logyhasconstantlyinnovative,costreversethispointtotheincreasingoutputoflow-powermobile,switchingpowersupplytoprovideabroadspacefordevelopment.High-frequencyswitchingpowersupplyisthedirectionoftheirdevelopment,sothathigh-frequencyswitchingpowersupplyofsmall,andswitchingpowersupplyintoawiderrange
4、ofapplications,particularlyintheapplicationofhigh-techfields,andpromotethehigh-techproductsofsmall,lightweightOf.Alsoswitchingpowersupplyinthedevelopmentandapplicationofenergyconservation,resourceconservationandenvironmentalprotectionareofgreatsignificance.SwitchingPowerSupplyCategoryPeopleinsw
5、itchingpowersupplysideisthedevelopmentoftechnology-relatedpowerelectronicdevices,whilethedevelopmentoffrequencyswitchingtechnology,thetwopromoteeachothertopromotetheswitchpowerannuallytomorethantwo-digitgrowthinalight,small,lightweight,lownoise,highreliability,Anti-jammingdirection.SwitchingPow
6、erSupplycanbedividedintoAC/DCandDC/DCtwocategories,DC/DCconverterwhichisnowmodular,designandtechnologyandproductiontechnologyathomeandabroadhavebeenmatureandstandardized,andhavebeenauthorizedusers,butAC/DCmodular,makesitsowncharacteristicsintheprocessofmodular,encounteredamorecomplextechnologya
7、ndmanufacturingprocessproblems.Followingwerethetwotypesofswitchingpowersupplyforthestructureandcharacteristicstosetout■1DC/DCtransformDC/DCistotransformthefixedDCvoltagetransformationintoavariableDCvoltage,alsoknownasDCchopper.Cho