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  3. assuming n=m=1 a 230+m v, series dc motor has a f

assuming n=m=1 A 230+m V, series DC motor has a field winding of 35+m turns per pole, Its armature resistance...

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Electrical Engineering

assumingn=m=1

A230+m V,series DC motor has a field winding of 35+m turns per pole, Itsarmature resistance is 0.09+.01*m ohm and field resistance is0.06+0.01*m ohm. The magnetization curve expressed in terms ofmagneto motive force verses EAat 850+n rpmis given below by the following table. Rated current is 70+m A.Rotational loss is 50+m Watt. Find Motor’s torque, Speed and outputpower at 90% of full load armature current.

EAV
95
150
188
212
229
243
â„’, A.turn
500
1000
1500
2000
2500
3000

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