infineon 低电源驱动设计建议

infineon低电源驱动设计建议DesignProposalforLowPowerDrivesL.Lorenz,K.KanelisIndustrialElectronicsSystemEngineeringInfineonTechnologiesincooperationwitheupecGermany1IntroductionAlthoughmostsmalldrivescoverthepowerrangebetween40Wand2.2kW,theirconfigurationisquitedifferentdependingontheapplication.Thecompressorofanairconditioner,thedrumdriveofawashingmachineandthespindledriveofanumericcontrolledlathemayallhavethesamepowerratingsofabout750W.Buttheystronglydifferintheircontrolalgorithmsandinverterset-upsassumingthesameelectricalmotor,eitherandinductionmachineorabrushlessDCtype.Whiletheoperationofafanoracompressormightbealreadysufficientwithanopenloopvoltage-frequencycontrol,thewashingmachi