Following are the difference between single phase rectifier and three phase rectifier :
| Single phase rectifier | Three phase rectifier |
|---|---|
| Single phase rectifier delivered small amount of power to the load. | Three phase rectifier delivered large amount of power to the load. |
| It required additional filter. | It does not required additional filter. |
| It requires single phase power supply. | It requires three phase power supply. |
| Its efficiency is low. | Its efficiency is high. |
| It has less TUF (transformer utilization factor). | It has more TUF (transformer utilization factor). |
| The ripple factor is more. | The ripple factor is less. |
| It has less cost. | It has more cost. |
| It has less PIV (peak inverse voltage). | It has more PIV (peak inverse voltage) |
| The number of diodes are used in single phase rectifier are one, two and four. | The number of diodes are used in single phase rectifier are three and six. |