engineering recuitment GATE EE 2023-24 Test Series Electrical Machines DC Motor DC Motor Speed Regulation
A 220 V dc series motor has armature and field resistances of 0.15 Ω and 0.10 Ω respectively. It takes a current of 30 A from the supply while running at 1000 rpm. If a diverter resistance of 0.2 Ω is connected across the field coil of the motor, the new speed of the motor will be ______ (in rpm)
Assume the load torque remains constant.Enter numerical value using the virtual keypad. Round off where necessary.