E13Y : Electrical Machines 2

Athanasios D. Karlis

Synchronus Machines : Establishment of three-phase synchronous machine. Basic principles of operation. Machines and cylindrical rotor machines with molding poles. Electromagnetic torque and power. Equivalent circuit. Vector diagrams for the generator and motor function.

Single-phase asynchronus motor.

Induction machines : Building of three-phase asynchronous machines. Basic principles of operation. Targeting magnetic field. Windings. Pie chart. Power. Torque. Start time and heating during startup. Methods of starting.

Single phase asynchronous machines : Establishing, operating principles, start.

Practical exercises.

Taught in 6th Semester