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Compare Full converter and Semi converter
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Sr. No. Parameter Full Converter Semi Converter
1 Average load voltage Edc=2Emπcosα Edc=Emπ(1+cosα)
2 RMS Load Voltage Erms=Em2 Erms=Em2[1π(πα+sin2α2)]1/2
3 Form factor (FF) F.F.=π22cosα F.F.=Erms/Edc
4 Ripple Factor (RF) RF=[π28cos2α1]1/2 RF=[FF21]1/2
5 Rectification Efficiency (η) η=8cos2απ2 η=1/FF2
6 Operation Two quadrant converter (Rectification and inversion) Single quadrant converter (Rectification only)
7 Fundamental Power Factor ( FPF ) FPF=cosα FPF=cos(α/2)
8 Free wheeling Mode Absent Present
9 Input Power Factor (PF) PF=22πcosα PF=2(1+cosα)[π(πα)]1/2
10 Supply current Square-wave Quasi-square wave
11 Harmonic present in supply current Only odd harmonics Only odd harmonics
12 Power Flow Bidirectional Unidirectional
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