11.6 A separately excited be an armature resistance of 202. It A 220V, 1500 rpm, motor...

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11.6 A separately excited be an armature resistance of 202. It A 220V, 1500 rpm, motor has has is fed from a rectifier with an single-phase fully controlled AC source voltage of 2801 Soth. Assuming continuous conduction calculate i firing angle for rated motor torque at 1000 rpm ii) firing angle for ratedy braking torque at -1500. rpm iii) motor speed at rated torque and firing angle = 160 degree for regenerative braking in second quadrant. 11.6 A separately excited be an armature resistance of 202. It A 220V, 1500 rpm, motor has has is fed from a rectifier with an single-phase fully controlled AC source voltage of 2801 Soth. Assuming continuous conduction calculate i firing angle for rated motor torque at 1000 rpm ii) firing angle for ratedy braking torque at -1500. rpm iii) motor speed at rated torque and firing angle = 160 degree for regenerative braking in second quadrant.

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