A 200V, 875rpm, 150 A separately excited dc motor has an armature resistance of 0.06Ω. It is fed from a single phase fully controlled rectifier with an ac source voltage of 220V, 50Hz. Assuming...

A 200V, 875rpm, 150 A separately excited dc motor has an armature resistance of 0.06Ω. It is
fed from a single phase fully controlled rectifier with an ac source voltage of 220V, 50Hz.
Assuming continuous conduction. Determine motor speed for α = 160o
 and half rated torque.