大功率IGBT驱动电路的设计-何秀华

IGBT何秀华,杨景红(南京电子技术研究所,江苏省南京市210013):大功率IGBT(绝缘栅双极晶体管)在现代雷达发射机,特别是全固态调制器高压开关电源中得到广泛应用其驱动电路要求驱动能力强保护迅速有效介绍了互感器触发方式的大功率IGBT驱动电路的设计该电路具有输出电阻低电流增益高等优点,并具备快速过流检测和保护功能,解决了IGBT高低电位隔离以及多个IGBT同步驱动问题实验表明,该驱动电路不仅满足设计要求,而且工作稳定可靠,通用性强,可广泛应用于全固态调制器和高压开关电源:全固态调制器;IGBT;驱动电路;过流保护:TN761收稿日期:2008-05-12;修回日期:2008-07-010引言,,2080IGBT(),IGBTIGBTMOSBJT,,IGBT,,,IGBT,3.3kV/1.2kAIGBT,:2kV,2kA,1s,2s,2s,50Hz,IGBT,,3.3kV/1.2kAIGBT1设计依据与要求IGBT12FZ1200R33KF2IGBT2034920089ELECTRONICENGINEERVo.l34No.9Sep.20083FZ1200R33KF2IGBT,4FZ1200R33KF2IGBT,IGBT7:a)IGBT,,,20V,IGBTGE20V,dv/dtb)IGBTMOS,IGP:IGP=(+VGE)+|-VGE|RG+Rg(1):+VGE;-VGE;RG;RgIGBT:Pon=f(Qg|+VGE|+Cies|-VGE|2)2(2):f;Qg+VGE;Ciesc)RGRGIGBT,RG,,,,-di/dtdv/dt,,,IGBT,,RG,IGBTdi/dt,dv/dt,RGIGBT,,RGd)IGBT,,,,e),,IGBT,,,,f)IGBT,IG-BT,IGBTg),2IGBT驱动电路5IGBT5,,;,IGBT,21349,:IGBT,,20V,D1,IGBT;D26,;R25.1k,IGBT,,,,,6,CH1,5V,CH2,5A63IGBT过流保护,Eupec,VGE15V,IGBT10s6kA,,3sIGBT,,,,,7CH1UCE,500V,CH2,500A,3kA,2.5s,IGBT10s6kA,,,IGBTCE,IGBTCE7UCE,:P=CFV2(3):C;F;VIGBTCE,4结束语FZ1200R33KF2IGBT,,,[1]NGUYENMN,CASSELRL,DELAMAREJE,eta.lGatedriveforhighspeed-highpowerIGBTs[C]//Proceedingsof28thIEEEInternationalConferenceonPlasmaScience/13thInternationalPulsedPowerConference,Jun17-22,2001,LasVegas,NV,USA.Piscataway,NJ,USA:IEEE,2001:P2E03.[2]BIERMANNJ.EupecIGBT-modules[M].2003.[3]NGUYENMN.Shortcircuitprotectionofhighspeed,highpowerIGBTmodules[C]//ProaedingsofInternationalPulsePowerConference,Jun15-18,2003,Dallas,TX,USA.Pis-cataway,NJ,USA:IEEE,2003:815-818.[4],,.IGBT[J].,1998,8(3):86-89.何秀华(1980-),女,工程师,主要从事真空管发射机的研究工作(下转第44页)2220089,,224结束语2:,Lucene,,,:1),,,,,,,,2)24,,,,[1].[EB/OL].[2008-05-16].[2].[EB/OL].[2008-05-16].[3].[J].,2005,22(5):147-150.[4]Lucene.Lucene.[2008-05-16].[5]GOSPODNETICO,HATCHERE.Luceneinaction[M].:,2007.[6]Michaels.Thearts&craftsstore[EB/OL].[2008-05-16].吴敏(1978-),男,助理工程师,主要从事电子电工产品质量检测工作ANewWayforImageRetrievalBasedonContentWUMin(JiangsuMetrologyScienceInstitute,Nanjing210007,China)Abstract:Inviewoftheshortcomingsoftraditionalmethods,thispaperproposesanewmethodforimageretrieva.lItissimple,butaccurateandeasytobeimplemented.ThisapproachsearchesimagesbasedonthecontentofeachimagewhichiscomputedbycaculatingtheEuclideandistanceofimagecoloraccordingtoRGB.Experimentalresultsshowthattheproposedmethodisaneffectivesolutiontosearchdesiredimage.Keywords:Lucene;imageretrieva;lEuclideandistance;conten-tbasedimageretrieval(上接第22页)TheDesignofHighPowerIGBTDriverCircuitHEXiuhua,YANGJinghong(NanjingResearchInstituteofElectronicsTechnology,Nanjing210013,China)Abstract:HighpowerIGBTiswidelyusedinmodernradartransmitter,especiallyinal-lsolid-statemod-ulatorandhighvoltageswitchingpowersupply,inwhichthedrivercircuitshouldmeettherequirementsofstrongdrivingcapacity,immediateandefficientprotection.ThehighpowerIGBTdrivercircuitwithtriggering-modesusinginductorsisintroduced.Thedrivercircuitwithlowoutputimpedanceandhighcurrentgain,aswellasprovidedwiththeabilityofover-currentdetectionandprotectionhasachievedpotentialisolationandburstsynchronization.Theresultsshowthatthedrivercircuitnotonlymeetstherequirementsofdesign,butalsocanworkstablyandreliably,whichcanbewidelyappliedinal-lsolid-statemodulatorandhighvoltageswitchingpowersupply.Keywords:al-lsolid-statemodulator;IGBT;drivercircui;tover-currentprotection4420089