A 220V 2 hp 60 Hz 6 following winding impedances Capacitor s

A 220-V, 2 -hp, 60 Hz 6 following winding impedances Capacitor start single phase induction motor has the R_1 = 1.2 Ohm X_1= 2 Ohm R_2 = 1.7 Ohm X_2 = 2 Ohm X_M=100 Ohm At a slip of 5 percent the rotational losses of the motor is 300 W and can be assumed constant. (the magnetizing resistance and core losses are ignorably small, the effects of forward and reverse magnetic fields are separated) Calculate the following: Stator current Input power Output power Explain why single phase motor needs a capacitor to start on its own, what is the role of the capacitor?

Solution

A=1.7

B= 2

C= 2

D= SINGLE PHASE INDUCTION MOTOR.TYPE OF SINGLE PHASE INDUCTION MOTOR/SPLIT PHASE CAPACITOR START RUN SHADED POLE