Difference between CSI Fed Drives and VSI Fed Drives:
The difference between CSI Fed Drives and VSI Fed Drives is given in below table
| Sl no | CSI Fed Drives | VSI Fed Drives |
| 1 | Input current is constant. | Input voltage is maintained constant. |
| 2 | Output current does not depends on the load. | Output voltage does not depend on the load. |
| 3 | It does not required any feedback diode. | It requires feedback diode. |
| 4 | The power factor is high. | The power factor is low and poor. |