Regarding the basic operation of Induction motor and its working principle from first principle.

Winding (stator and rotor), production of rotating flux and rotation of rotor.

Regarding the approach to induction motor operation and how to solve the very simple problem being known some basic equations of power balance such as input power equation of IM (P=[(EV/X)sin(Angle E- Angle V)]

A 12 pole, 60 Hz synchronous machine has an internal rms voltage of 10 kV. Its internal synchronous reactance is 10 ohms. The machine is connected to a network with a terminal voltage of 11 kV rms. The phase angle difference between the internal and external voltages is 30 degrees (internal minus external). (a) Is this machine generating or consuming real power? How much in MW? (b) What is the synchronous speed of the machine? (c) What is the torque in Nm produced by the machine?

Problems for the basic concepts of Induction motor(IM) taking care of slip and syncronous speed and motor speed and its relationship

A 50 Hz induction motor operates in such a way that the slip is 1.45. (a) is this motoring, generating or braking? Explain (b) If the synchronous speed is 900 rpm, find the mechanical speed. (c) Find the number of poles. (d) Find the frequency of the rotor currents. (e) Find the speed of rotation of the magnetic field in the air gap with respect to the rotor.

Basics problems of Induction motor

The frequency of the induced rotor currents in the rotor of a 60 Hz induction machine is 2 Hz. Furthermore, the fields in the air gap turn at -40 rpm with respect to the rotor. (a) Find the number of poles. (b) Find the slip of the motor. (c) Find the synchronous speed in rpm. (d) Find the motor speed in rpm. (e) Is this a motor or a generator? Explain.

Electrical Energy Conversion.

Please see the attached file for full problem description.