Inversion modeV.=V sin otVconvi9=180°VLI= OL,Is1VLI61V,tans>SoLVconvlconvlcosSVCcom in(Ot+)→VeomVconvl
Inversion mode ˆ ˆ conv1 conv1 conv1 conv1 conv1 s s Vˆ v =V = →Vˆ sin(t + ) → v s cos Is1 = s → Ls Vˆ vL1 = Ls Is1 Vˆ tan v =V sint
>Waveformsintherectifiermode(6)Figure18-11Waveforms in the circuit of Fig.18-8 at unity power factorof operation: (a)phasordiagram; (b)circuitwaveforms
➢Waveforms in the rectifier mode
>Waveforms in the rectifier modeVconvVconv1Vslo福o1
➢Waveforms in the rectifier mode vconv vconv1 vs is
>Waveforms in the inversion modeVconvVconvi()1
➢Waveforms in the inversion mode vconv vconv1 is
>Waveforms in the zero load modeVVconvconv1(h）16
16 ➢Waveforms in the zero load mode vconv vconv1 is