EI2201ELECTRICAL MACHINES 
D.C. MACHINES 
Construction of D.C. Machines  Principle and theory of operation of D.C. generator  EMF equation  Characteristics of D.C. generators  Armature reaction – Commutation  Principle of operation of D.C. motor  Voltage equation  Torque equation  Types of D.C. motors and their characteristics –Starters  Speed control of D.C. motors  Applications. 
TRANSFORMERS 
Principle  Theory of ideal transformer  EMF equation  Construction details of shell and core type transformers  Tests on transformers  Equivalent circuit  Phasor diagram  Regulation and efficiency of a transformer  Introduction to three  phase transformer connections. 
SYNCHRONOUS MACHINES 
Principle of alternators: Construction details, Equation of induced EMF and Vector diagram  Synchronous motor: Starting methods, Torque, V curves, Speed control and Hunting. 
INDUCTION MACHINES 
Induction motor: Construction and principle of operation, Classification of induction motor, Torque equation, Condition for maximum torque, Equivalent Circuit, Starting methods and Speed control of induction motors. 
SPECIAL MACHINES 
Types of single phase motor –Double revolving field theory – Cross field theory – Capacitor start capacitor run motors – Shaded pole motor – Repulsion type motor – Universal motor – Hysteresis motor  Permanent magnet synchronous motor – Switched reluctance motor – Brushless D.C motor. 
REFERENCE 
Text Books 
1. Nagrath, I.J., and Kothari, D.P., “ Electrical Machines”, Tata McGraw  Hill, 1997.
2. Fitzgerald A.E, Kingsley C., Umans, S. and Umans S.D., “Electric Machinery”, McGraw Hill, Singapore, 2000. 
Reference Books 
1. Theraja, B.L., “A Text book of Electrical Technology”, Vol.II, S.C Chand and Co., New Delhi, 2007.
2. Del Toro, V., “Electrical Engineering Fundamentals”, Prentice Hall of India, New Delhi, 1995.
3. Cotton, H., “Advanced Electrical Technology”, Sir Isaac Pitman and Sons Ltd., London, 1999. 
