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1、有关于电子气专业毕业外文翻译有关于电子气专业毕业外文翻译___直流开关稳压电源的保护技术导读:d,basicallycanbedividedintoloustfirstmodulator,amplifierandotherlo:XiongFusheng,DCS,protectionsystemdesignprinciplesandmachineprotectionmeasures,ananalysisofsethodology,introducedanumberofpracticalprotectioncircuit.Keydesign1、I
2、ntroductionDCsoreexpensivehigh-pooreplex,Inaddition,theloadsberofhighlyintegratedelectronicsystemsinstalleddevices.Transistorsandintegrateddevicetoleranceelectricity,lessheatshocks.Sprotection,over-currentprotection,over-voltageprotection,under-voltageprotectionandover-temp
3、eratureprotectioncircuit.Usuallychosentobesomebinationofprotection,constitutesapleteprotectionsystem.2、polarityprotectionDCsaged.Polarityprotectionpurposes,istomakethesoresuitable.Poptionakeiteasiertoidentifythecorrectpolarityornot,collectthenextlight.1宽输入电压高频开关电源的设计3、proce
4、durestoprotectSustfirstmodulator,amplifierandotherloallinductor,theinputfiltercapacitor.Momentintheboot,filtercapacitoresmorethanthenormalinputcurrent.Suchalargesurgecurrentmaycontactthegeneralpoelting,andtheinputfusefuse.Inaddition,thecapacitorsurgecurrentagetoshortentheli
5、fespanofprematuredamage.Tothisend,thebootshouldbeaccesstoacurrentlimitingresistor,throughthecurrentlimitin567有关于电子气专业毕业外文翻译___直流开关稳压电源的保护技术(2)导读:ed.Themosteconomicalplefuse.Asaresultoftheheatcapacityofsmalltransistors,generalfuseprotectioningeneralcannotplayaroleintherapidf
6、usemonfuse.Thismethodhastheadvantageoftheprotectionofvulnerable,butitneedstosakethecurrentlimitingresistorexcessivepoption,thusaffectingthenormalsaticallyrelaysittoDCpopauxiliarypoustbeinthesalbootprocessis:toidentifythepolarityofinputpoitingresistorRofthesodulationsitingre
7、sistorstabilitysachinesjustbecausetheoutputcapacitance,andchargetotheratedoutputvoltagevalueoftheneedforacertainperiodoftime.Duringthistime,samplingtheoutputamplifierpling,closed-loopregulationcharacteristicsofthesystemelengthened,sothatsaged.Tothisend,therequirementsofthis
8、paragraphintheboottime,thesodulationcircuittransistorbasedrivesignalofthepulseodul