pic单片机做逆变器说明

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1、MPICREF-1UninterruptiblePowerSupplyReferenceDesignINTRODUCTIONPICREF-1OVERVIEWAttimes,powerfromawallsocketisneithercleannorTheMicrochipTechnologyPICREF-1UPSReferenceuninterruptible.Manyabnormalitiessuchasblackouts,Designoffersaready-madeuninterruptiblepowers

2、up-brownouts,spikes,surges,andnoisecanoccur.Underplysolutionwiththeflexibilityofamicrocontroller.thebestconditions,powerinterruptionscanbeanThePIC17C43microcontrollerhandlesallthecontrolinconvenience.Attheirworst,theycancauselossofoftheUPSsystem.ThePIC17C43is

3、uniquebecausedataincomputersystemsordamagetoelectronicitprovidesahighperformanceandlowcostsolutionnotequipment.foundinothermicrocontrollers.ItisthefunctionofanUninterruptiblePowerSupplyThePIC17C43PWMcontrolsaninverterwhoseout-(UPS)toactasabufferandprovidecle

4、an,reliableput,whenfiltered,resultsinasinusoidalACoutputpowertovulnerableelectronicequipment.Thebasicwaveform.FaultsignalingcanbeinitiatedinternalorconceptofaUPSistostoreenergyduringnormalexternaltothePIC17C43dependingonthetypeofoperation(throughbatterychargi

5、ng)andreleasefault.Afaultwilldisabletheentireinverter.Theoutputenergy(throughDCtoACconversion)duringapowervoltageandcurrentwillbemonitoredbythePIC17C43failure.tomakeadjustments“real-time”tocorrectforDCoffsetUPSsystemsaretraditionallydesignedusinganalogandloa

6、dchanges.components.TodaythesesystemscanintegrateaThePIC17C43controlsallmodulesynchronizationasmicrocontrollerwithACsinewavegeneration,offeringwellasinvertercontrolandfeedback.ThePIC17C43themanybenefitslistedbelow.useszerocrossingforsynchronizationofinputvolt

7、age/PIC17C43MicrocontrollerBenefitsphasetooutputvoltage/phase.Allinternalmodulesyn-chronizationishandledbythePIC17C43.•HighQualitySineWave-HighthroughputallowsforhighqualityoutputThecontrolalgorithmsandsoftwarearewritteninCfor•Flexibility-corecontrolfeaturesa

8、ndoperationsmaintainabilityandtransportability.canbechangedwithsoftwaremodificationsonlyPICREF-1KeyFeatures•TransportabilityofDesign•TrueUPSTopology•VariableLoopResponse•TrueSinusoidalOutput•Digi