| A shown in figure "A" of the illustrated propulsion motor variable speed drive, what statement is true? EL-0140 |
| A) both the bridge rectifier and the controller inverter bridge are transistor controlled in terms of switching |
| B) the bridge rectifier is uncontrolled and the controller inverter bridge is thyristor controlled in terms of switching |
| C) both the bridge rectifier and the controller inverter bridge are thyristor controlled in terms of switching |
| D) the bridge rectifier is uncontrolled and the controller inverter bridge is transistor controlled in terms of switching |
