... uZ2= Ud/3uZ3= -2 Ud /3 • S2, S3, S4 231 uZ2uZ3uZ1UduZ2= 2Ud/3uZ1= uZ3= -Ud /3 • S3, S4, S5 231 ZuZ2uZ3uZ1UduZ2= uZ3= Ud/3uZ1= -2 Ud /3 • S4, S5, S 632 1uZ3uZ2uZ1UduZ3= 2Ud/3uZ1= uZ2= -Ud /3 Ψ= π Æ ΨS+ ΨR= ... 05 .3. 4 Nghịch lưu áp cầu ba phaππ≤Ψ< ;3 • S1, S5, S61 32 ZuZ1uZ3uZ2UduZ1= uZ3= Ud/3uZ2= -2 Ud /3 • S1, S2, S6 132 uZ1uZ3uZ2UduZ1= 2Ud/3uZ2= uZ3= -Ud /3 • S1, S2, S3123ZuZ1uZ2uZ3UduZ1= uZ2= Ud/3uZ3= ... ngượcVR2VR1S2S1S3S4VR4VR3iZuZUdLRZidiVR1iS1S1,S2VR1,VR2S3,S4VR3,VR4uZΨRΨθ = ωtUdΨS-UdOUd/R-Ud/R2πiZiS1 = iS2OIdiVR3 = iVR4iS3 = iS4iVR1 = iVR2OOUdS1S2ZiZS1,S2ZiZVR3VR4VR3,VR4S4S3ZiZS3,S45 .3. 3 Nghịch...