The resistance and reactance of the main winding of a 50 Hz single phase induction motor are 1Ω and √3 Ω respectively.
Which of the following statements is/are true?1
If the motor is capacitor start motor, the power factor angle of the auxiliary winding to achieve maximum starting torque is 30°
2
If the motor is resistor split induction, motor, the power factor angle of the auxiliary winding current is 30°
3
If the motor is capacitor start motor, the power factor angle of the auxiliary winding to place both the windings in quadrature at starting is 30°
4
If the motor is resistor split induction motor and the resistance and reactance of the auxiliary winding are 1 Ω and 1.16 Ω respectively, then the external resistance to be added to the auxiliary winding to get the maximum starting torque is 1 Ω