级联高压变频器功率单元测控电路开发与研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,710054):CPLD,,,,,,DSPIC30F4012,DSP,,,,,:;;;:TM921.51;TP273:AStudyonDevelopmentofHighVoltageCascadedVVVFPowerUnitMonitoringandControlCircuitsZHANGKun2ao(CollegeofComputerScienceandTechnology,XianUniversityofScienceandTechnology,Xian710054,Shaanxi,China)Abstract:CPLDissignalprocessorofcascadedhighvoltageVVVFsmonitoringandcontrolcircuitsintraditionalmethods.Itsadvancedplacesliesineasycircuitrealizing,signalprocessingspeedisfaster,butthemethodsalsoexistcertainshortcomings,forexampleitsinstructionsarelessandisinappropriateinimplemen2tationcycle,itsapplicationprogramisnotperfect.However,beingakindofcost2effectiveandinstructionrichdatasignalprocessor,DSPIC30F4012isverysuitableformonitoringandcontrolcircuitsofpowerunit.Thetechnologyprogrammeanddevelopmentprocessarediscussedindetailonthedevelopmentofpowerunitmoni2toringandcontrolcircuits,intheend,itisprovedthatpowerunitoutputvoltagewaveformisrightandactionofmonitoringandcontrolcircuitprotectionisreliableafterrunningthroughtests,soitcouldbebetterformo2nitoringandcontrolrequirements.Keywords:monitoringandcontrolcircuits;failuretoprotect;SPWM;powerunit:(1964-),,,,Email:[e-mail]1()322,,,,,,,,;,,CPLD,,,,,SPWM,SPWM,PWM,DSPIC30F4012DSP,,PWM,,,,,,3ELECTRICDRIVE2009Vol.39No.1120093911©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),,,,,,IGBT,,2),,,,,3),,,,,,,,,4),90%,SCR,5),,,PWM,;,IGBT,35(1):IGBT,,;,,,,,,IGBTPWM,;,IGBT,,,,,IGBT,1Fig.1Blockdiagramofmeasurementandcontrolcircuit44.14.1.1CPUDSPIC30F401216bitCPU,40MHz,30MI/s,RAM2kB,48kBflash,1kbEEPROM,3,8,2,1CAN,9102bitA/D,6PWM,162bitPWM,I/O/25mA,2.55.5V4.1.22,2:3,1,,,,,,,,,;,420093911:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:20093911©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:4:1);2)CRC;3);4),,,LED2,,;LED,A/D,,,PWMPWMIGBT,PWM,,:=0+(I-1)f/fz(1)W:W=[U0-Usin(+K120)]/U0(2):;0;fPWM;fzPWM;I(16);U0;K(A0,B1,C2),sin,,090,0.10DSPIC30F40123PWM,1PWM,PWM,(2)W,PWM,,,,PWM,IGBT,,,IGBT,PWM,,,,,,,,,,5.2,PWM,,,,IGBT,,PWM,,3,,2,3,4,,6PWM,050Hz,550Hz,PWM()5,0.00125s,2s,PWM,,,,1,PWM(23)620093911:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]SlobodanNVukosavic,LeviE.RobustDSP2basedEffi2ciencyOptimizationofaVariableSpeedInductionMotorDrive[J].IEEETransactionsonIndustrialElectronics,2003,50(3):560-570.[2]DurvaldeAlmeidaSouza,WilsonCPdeAragaoFilho,Gilber2toCostaDrumondSousa.AdaptiveFuzzyControllerforEffi2ciencyOptimizationofInductionMotors[J].IEEETransactionsonIndustrialElectronics,2007,54(4):2157-2164.[3],.[J].,2007,47(10):1595-1597.[4]SousaGCD,BoseBK,ClelandJD.FuzzyLogicBasedon2lineEfficiencyOptimizationControlofanIndirectVector2controlledInductionMotorDrive[J].IEEETransactionsonIndustrialElectronics,1995,42(2):192-198.[5]VukosavicSN,LeviE.AMethodforTransientTorqueRe2sponseImprovementinOptimumEffieieneyInductionMo2torDrivesEnergyConversion[J].IEEETransactionsonEnergyConversion,2003,18(4):484-493.[6],,.[J].,2005,25(11):118-123.[7].[J].,1998,1(1):19-23.[8],,,.[J].,2002,9(5):59-62.[9],,.[J].,2006,18(6):1615-1622.[10],,.[M].:,2002.[11],,.[J].,1999,14(3):285-288.[12].PIDMatlab[M].:,2003.:2008211203:2009206208(6),,,,,IG2BT,SD106AI2174sIGBT,,,,,,5Fig.5Experimentwaveformsdiagram7,,,DSPIC30F4012,SD106AI217IGBT,,[1],.[J].,2006,40(4):19-21.[2].DSP[J].,2007,41(9):74-76.[3],.DSPCPLD[J].,2008,42(6):75-77.[4],,.IGBT[J].,2002,36(6):73-75.[5],.IGBTSD106AI217E[J].,2004,33(7):28-31.[6],.[J].,2006,36(10):22-25.[7],,,.SPWM[J].,2002,32(10):13-16.[8].IGBT[J].,2008,38(3):29-32.[9],.IGBT[J].(),2001,41(9):55-58.:2008211201:200920620132,:20093911