Calculate the motor speed if the field is reduced

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Reference no: EM13247603

A 600V, dc shunt motor has an armature and field resistance of 1.5 ohm and 600 ohm, respectively. When the motor runs unloaded, the line current is 3A, and the speed is 1000 rpm.

A)Calculate the motor speed when the load draws an armature current of 30A.

B)If the load is constant-torque type, what is the motor speed when 3 ohm resistance is added to the armature circuit?

C)Calculate the motor speed if the field is reduced by 10%.

Reference no: EM13247603

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