AE-JE Foundation EE : Electrical machine Quiz - 7

In a 4 pole, 50 Hz 3- ϕ IM. When the value of rotor resistance increases then starting torque will.

In a slip ring inductor motor, resistance is connected in rotor phase to:

The disadvantage of the speed control of a slip ring induction motor with the help of resistance in the rotor circuit is that:

The rotating magnetic field in Induction machine,

The following curve shows the torque-speed characteristics of an Induction motor. Which points represents the operating at a negative slip.

In 4 pole 50 Hz 3- ϕ IM, when open circuit test is conducted on the machine. The speed at which motor is run will be:

Which of following is not true for Squirrel cage Induction motors.

Which of the following statement is true for Induction generator.