# Comparision table HWR ,FWR and Bridge Rectifier

 Parameter Half-Wave Rectifier Full-wave Rectifier Bridge Rectifier No of diodes 1 2 4 Maximum Efficiency ( η ) 40.6% 81.2% 81.2% $V_{dc}$ $\frac{V_{m}}{\pi&space;}$ $\frac{2V_{m}}{\pi&space;}$ $\frac{2V_{m}}{\pi&space;}$ $I_{dc}$ $\frac{I_{m}}{\pi&space;}$ $\frac{2I_{m}}{\pi&space;}$ $\frac{2I_{m}}{\pi&space;}$ Output RMS voltage $\frac{V_{m}}{2}$ $\frac{V_{m}}{\sqrt{2}}$ $\frac{V_{m}}{\sqrt{2}}$ Average current Idc $I_{dc}$ $\frac{I_{dc}}{{2}}$ $\frac{I_{dc}}{{2}}$ Ripple Factor ($\Gamma$) 1.21 0.48 0.48 Peak Inverse Voltage (PIV) $V_{m}$ $2V_{m}$ $V_{m}$ Output Frequency f 2f 2f TUF(Transformer Utilization Factor) 0.287 0.693 0.812 Form Factor 1.57 1.11 1.11 Peak factor 2 $\sqrt{2}$ $\sqrt{2}$
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