SPWM逆变电源的单极性控制方式实现

SPWM,,(,210016):SPWM,SPWM:;;;:TM921.52;TM464:A:1001-4551(2004)01-0038-04AUnipolarMethodisAppliedinSPWMInverterHUXing2liu,PENGXiao2bing,MUXin2hua(TheKegLaboratorgofAeronauticsPowerSupplyCenter,NanjingUniversityofAeronauticsandAstronautics,Nanjing210016,China)Abstract:Twounipolarmethodsincontrollingsinglephase,full2bridgevoltagespwminverterarestudiedinthispaper,Oneofmethodshasbeenappliedtoasinglephase,full2bridgevoltagespwminverter.Keywords:spwm;unipolarcontrol;inverter;harmonics1SPWM,,,UPWM()HPWM(),:2003-03-26:2003-04-28:(1974-),,,,,,;8(b);8(c),,30Hz6SVPWM,,,,,,TMS320F240DSP,,,,,,:[1],.[M].:,2000.[2],.[J].,2001,21(5):79-83.[3]Trzynadlowshi,A.M.,Kirlin,L,andLegowski,S.F..Space2VectorPWMTechniqueWithMinimumSwitchingLossesAndaVariablePulseRate[J].IEEETransactiononIndustrialElectronics,1997,44(2).[4],.[M].:,1996.[5]TexasInstruments.TMS320F/C24XDSPControllersRefer2enceGuide[M].2000.5.83Mechanical&ElectricalEngineeringMagazineVol.21No.1200420042112SPWM2.1SPWM,11SPWM,SPWM:1Uin,;2,;3N=cs1N,UsUc=M1MUsUc,,,T1,T4,SPWM,T1,SPWMSPWM2.2SPWM,,,SPWM,4UPWM,(),(),2HPWM,,32UPWM3HPWM2.3pspice,,,2,454UPWM5HPWM::Uin=300V(DC):280V(AC):Ui=1000Hz:f=100kHz:Po=1350VA45,932004211Mechanical&ElectricalEngineeringMagazineVol.21No.12004,SPWM,c,2c,3cc,HPWMUPWM,HPWM,,UPWM,,,,,33.1UPWM,UPWMT2,T4,T4,T2;T1;,,T2,T4,T2,T4;T3UPWM,,,,(),(),,,,3.2HPWM,HPWMT2,T4,T4,T2;T1,T3,,,T1,T3,T3,T1;T2,T4,HPWM,2,,,,,,3.3,UPWMHPWM4,:(1)Ui0,I0;(2)Ui0,I0;(3)Ui0,I0;(4)Ui0,I0(1)(3)(2),T1,(4),T4(2),T1,(4),T4,,3.3.1Ui0,I0,T1UPWMHPWM,676UPWM7HPWM6,T1T4,,D1D47,T3,D4,3.3.2Ui0,I0,T4UPWMHPWM,898,T2T3,,D2D39,T2,D4,8HPWM04Mechanical&ElectricalEngineeringMagazineVol.21No.1200420042119HPWM4,HPWMSPWM,,10(a)(b)(10,FFT)10,HPWM,,,,,SPWM5SPWM,SPWM,:(1)HPWMUPWM(2)HPWM,;UPWM,(3)HPWM,;UP2WM,(4)HPWM,,,UPWM(5)HPWMUPWM:[1].[M].:,2002.[2].1KVA[D].:,2001.[3].[M].:,1999.[4],.SPWM[J].,2001,(4).,500,,,11213,500,6000500A142004211Mechanical&ElectricalEngineeringMagazineVol.21No.12004