(15 + 10 + 10 - 35marks) A 220 V, 9kW, shunt-connected dc motor, has the field resistance of 2200 and the armature resis
Posted: Sun May 15, 2022 3:21 pm
(15 + 10 + 10 - 35marks) A 220 V, 9kW, shunt-connected dc motor, has the field resistance of 2200 and the armature resistance of 0.280. The motor draws a current of 2.5A at no-load and is rotating at 1600 rpm. Calculate the current taken by the motor, the motor speed and efficiency when it is delivering rated power.