It is required to drive a dc shunt motor at different speeds

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It is required to drive a dc shunt motor at different speeds in both the directions (forward and reverse) and also to brake it in both the directions. Which one of the following would you use?

1. A half-controlled thyristor bridge
2. A full-controlled thyristor bridge
3. A dual converter
4. A diode bridge

Correct Option: C

NA