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《三相逆变器中igbt的几种驱动电路的分析（analysis of the driving circuit of the three-phase inverter of several igbt）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、三相逆变器中igbt的几种驱动电路的分析（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
