电力电 子专业词汇.ppt

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1、Chapter1PowerelectronicdevicespowersemiconductordevicesUncontrolleddevices:diodeHalfcontrolleddevices:thyristorTypicalfully-controlleddevices:GTO,GTR,powerMOSFET,IGBTCurrent-driven(current-controlled)devices:thyristor,GTO,GTR?Voltage-driven(voltage-controlled)devices(Field-controlleddevices):powe

2、rMOSFET,IGBT?Chapter1Highestfrequency?Largestcapability?Anode,Cathode,GateKeepthyristorconducting?Turnon?Turnoff?ThetriggeringsignalGatedissipationChapter1PositivevoltageTheanodeofthyristorPositivepulseNegativepulseDirectcurrentHoldingcurrentIH？LatchingupcurrentIL？PeakforwardsurgecurrentITSM(Thyri

3、storparameter)浪涌电流AveragerectifiedforwardcurrentIF(AV)（diodeparameter）正向平均电流Chapter1GatedrivecircuitControlcircuitPowerstageElectricalisolationOpticalisolationMagneticisolationChapter1PrimaryfunctionsSnubbercircuits？RCDsnubbercircuits？Series,parallelSteady-statevoltagesharing？Steady-statecurrentsh

4、aring?ElementResistanceCapacitanceInductanceChapter1lostitsfunctionsecondarybreakdownTurn-onsnubberTurn-offsnubberOvervoltageOvercurrenttheinterfacebetweenbetweenAandBevenvoltagesharingevencurrentsharingChapter2Single-phasehalf-wavecontrolledrectifierSingle-phasebridgefully-controlledrectifierThre

5、e-phasehalf-wavecontrolledrectifierThree-phasebridgefully-controlledrectifierTherangeofphase-shift？ResistiveloadInductiveloadResistorandinductorloadResistance-inductiveloadChapter2ReversevoltageForwardvoltageThemaximumofreversevoltageofthyristor？Averageoutputvoltage？Averageoutputcurrent？Effectivev

6、alue？TransformerquadraticsideTheeffectivevalueoftransformerquadraticsidecurrent？Chapter2Thestartpointoftriggeringdelayangle？NaturalcommutationpointTransformerrectifierCommutationangle(γ)?generatedandchangeTheinvertermodeoperationofcontrolledrectifiers?Thenecessaryconditions?Invertermodeoperationof

7、3-phasebridgerectifierTheminimuminversionangle(extinctionangle)?Connectionofmultiplerectifiers?ReduceharmonicsChapter2TheorderofACsidecurrentharmonics？TheorderofDCsideoutputvoltageharmonics？Harmoniccomponent？Powe