engineering recuitment CSPTCL JE Electrical Mock Test 2023 Power Electronics and Drives Phase Controlled Rectifiers
A separately excited dc motor operating in the first quadrant is fed form 3 - φ semi-converter, the free-wheeling diode is open-circuited, then the motor:
1
can be operated in first quadrant
2
can be operated in first & second quadrants
3
can be operated in first & fourth quadrants
4
cannot be operated