MCQOPTIONS
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MCQOPTIONS
| 1. |
In a VSI (Voltage source inverter) |
| A. | the internal impedance of the DC source is negligible |
| B. | the internal impedance of the DC source is very very high |
| C. | the internal impedance of the AC source is negligible |
| D. | the IGBTs are fired at 0 degrees. |
| Answer» B. the internal impedance of the DC source is very very high | |