engineering recuitment HPCL Engineer Mock Test 2024 Electrical Machines Three Phase Induction Motor Induction Motor Field
A 6 – pole, 3 phase induction motor is drawing current from a 50Hz supply. If the rotor is running at a speed of 970 rpm, what is the speed of rotor magnetic field with respect to rotor?
1
30 rpm
2
970 rpm
3
1000 rpm
4
24 rpm