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1、HighVoltagePowerSuppliesforElectrostaticApplicationsCliffScapellati,VicePresidentofEngineeringAbstractHighvoltagepowersuppliesareakeycomponentinelectrostaticapplications.Avarietyofindustrialandscientificapplicationsofhighvoltagepowersuppliesarepresentedforthe
2、scientist,engineer,specifieranduserofelectrostatics.Industrialprocesses,forexample,requiresignificantmonitoringofoperationalconditionsinordertomaximizeproductoutput,improvequality,andreducecost.Newadvancesinpowersupplytechnologyprovidehigherlevelsofmonitoring
3、andprocesscontrol.Scientificexperimentscanalsobeinfluencedbypowersupplyeffects.outputaccuracy,stability,rippleandregulationarediscussed.Contributingeffectssuchasoutputaccuracy,stability,rippleandregulationarediscussed.I.IntroductionTheuseofhighvoltageinscient
4、ificandindustrialapplicationsiscommonplace.Inparticular,electrostaticscanbeutilizedforavarietyofeffects.Broadlystated,electrostaticsisthestudyofeffectsproducedbyelectricalchargesorfields.Theapplicationsofelectrostaticscanbeusedtogeneratemotionofamaterialwitho
5、utphysicalcontact,toseparatematerialsdowntotheelementallevel,tocombinematerialstoformahomogeneousmixtureandotherpracticalandscientificuses.Bydefinition,theabilityofelectrostaticeffectstodoworkrequiresadifferenceinelectricalpotentialbetweentwoormorematerials.I
6、nmostcases,theenergyrequiredtoforceapotentialdifferenceisderivedfromahighvoltagesource.Thishighvoltagesourcecanbeahighvoltagepowersupply.Today'shighvoltagepowersuppliesaresolidstate,highfrequencydesigns,whichprovideperformanceandcontrolunattainableonlyafewyea
7、rsago.Significantimprovementsinreliability,stability,control,sizereductions,costandsafetyhavebeenachieved.Bybeingmadeawareoftheseimprovements,theuserofhighvoltagepowersuppliesforelectrostaticapplicationscanbenefit.Additionally,uniquerequirementsofhighvoltagep
8、owersuppliesshouldbeunderstoodastheycanaffecttheequipment,experiments,processorproducttheyareusedin.II.OperationalPrinciplesofHighVoltagePowerSupplies14Asimplifiedschematicdiagramofahighv