Question

If the available power source is a single-phase, 60 Hz, ac supply and a separately excited...

If the available power source is a single-phase, 60 Hz, ac supply and a separately excited DC motor is to be fed from this source, configure possible drive circuits for:
i) One-Quadrant Operation,
ii) Two- Quadrant Operation
iii) Four- Quadrant Operation
Hints: For one-quadrant operation, the motor control circuit is a half-wave controlled rectifier or a semicontrolled converter and the driver for the separately excited is a semi-controlled converter with a freewheeling diode using the ac supply source.
For two-quadrant operation, the motor control circuit is a full-wave controlled rectifier and the driver for the separately excited is a full-wave controlled converter using the ac supply source.
For four-quadrant operation, the motor control circuit is a dual converter and the driver for the separately excited is a full-wave controlled converter using the ac supply source

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