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《三相逆變器中igbt的幾種驅(qū)動電路的分析（analysis of the driving circuit of the three-phase inverter of several igbt）》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、三相逆變器中igbt的幾種驅(qū)動電路的分析（Analysisofthedrivingcircuitofthethree-phaseinverterofseveralIGBT）Abstract:theIGBTofseveralkindsofthree-phaseinverterdriveintegratedcircuitisanalyzedindetail,onTLP250,EXB8andM579seriesarediscussed,theelectricalcharacteristicparametersandinternalfunction
2、blockdiagramaregiven,theyshouldusethetypicalcircuit.Theirmainpointsofuseandmattersneedingattentionarediscussed.ThedrivingexperimentofIGBTforeachdrivechipiscarriedout,andtheircharacteristicsareverifiedbythewaveform.Finally,theconclusionisdrawnthatthedevelopmenttrendofIGBTdr
3、ivingintegratedcircuitisthecompositecircuitwhichintegratesover-currentprotection,drivesignalamplificationfunction,externalpowersupplyandstronganti-interferenceability.Keywords:insulatedgatebipolartransistor;integratedcircuit;overcurrentprotection1PrefaceWiththedevelopmento
4、fpowerelectronicconversiontechnology,allkindsofpowerelectronicdeviceshavebeendevelopedrapidly.In1980s,aninsulatedgatebipolartransistor(IGBT)[1]wasproposedtoprovideahighinputimpedancedeviceforhighvoltageapplications.InIGBT,thecurrenttransmissionhighvoltagebipolartransistorw
5、ithaMOSgatetocontroltheregionwidebasearea,ithasahighinputimpedancewithpowerMOSFETandbipolardevicessuperioronstatecharacteristiccombinationofveryattractivedevices,ithasasmallcontrolpower,fastswitchingspeedandthecurrentprocessingcapacity,lowsaturationvoltageperformance.Itist
6、hemostcommondeviceinthedesignofsmallandmediumpower,lownoiseandhighperformancepowersupply,inverter,uninterruptiblepowersupply(UPS)andACmotorspeedregulationsystem.Withthedevelopmentofpowerdevices,itsdrivecircuitisalsodevelopingconstantly.ManyspecialdriveICshaveappearedinsucc
7、ession.ThetriggerandturnoffoftheIGBTrequirepositivevoltageandnegativevoltagebetweenthegateandthebase,andthegatevoltagecanbegeneratedbydifferentdrivingcircuits.Whenchoosingthesedrivingcircuit,thefollowingmustbebasedontheparametersofthedeviceoff:tooffsetrequirements,gatechar
8、gerequirements,soundnessrequirementandpowersituation.Fig.1isaschematicdiagramofatypicalIG
