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MEO Class II – MET : 2011/OCT/06 – 2012/JUN/05 – 2013/SEP/06 – 2023/AUG/06
Question

Q6. A. What are factors on which the speed of a motor depends? Discuss them for series and shunt motors. A shunt motor supplied at 230 V runs at 900 rpm. When the armature current is 30 A, the resistance of the armature circuit is 0.4 , calculate the resistance required in series with the armature circuit to reduce the speed to 500 rpm. Assume that the armature current is 25 Amps.

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