Question

A three-phase dual converter with a 200V 50 Hz supply is feeding a DC motor of 3.3 kW, 30A, 120V, 1200 rpm rating. Ra=0.3Ω and La=5 mH. If the motor is running at 1100 rpm delivering rated load torque. Then the firing angles (in degrees) of forward (converter 1) converter and reverse (converter 2) converter are (please select the nearest values),

Answer 1

Explanation:

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