A dc separately excited motor has constant field current. The armature – InterviewSolution

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1.	A dc separately excited motor has constant field current. The armature is fed from a single phase supply through a full converter. When = 0, speed is 500 rpm. If = 45°, the speed is likely to be
Answer» Average output voltage ∝ cos a and therefore reduced to 0.707 of the value for a = 0. Speed is nearly proportional to voltage.

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