Asynchronous machines : Three phase induction motors. Principle of operation. Cage and slip ring rotors.
Torque-slip characteristics. Equivalent circuit. Starting and speed control.
Single phase induction motors : Types. Applications. Universal Motor.
Selection of Drives : Electric drives. Individual and group drives. Factors governing selection of drives. Motors for domestic uses.
Applications : Cranes, Lifts, General factory, Textile mills, Paper mills, Mining works, cement Mills, machine tools, Belt conveyors, Ships, Refrigeration and Air conditioning.