Wednesday, June 27, 2012
EI2201 ELECTRICAL MACHINES Syllabus for EIE,ICE 3rd Semester - Anna University
EI2201 ELECTRICAL MACHINES (Common to EIE & ICE)
AIM
To impart basic knowledge on Electrical machines, principles and its behavior.
OBJECTIVES
At the end of this course, student would have been exposed to:
· Theory of structures, operating principle, characteristics, and applications of D.C and A.C
rotating machines and transformers in detail.
· Introductory knowledge on Special
Machines.
UNIT I
D.C. MACHINES
12
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.
UNIT II TRANSFORMERS
9
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.
UNIT III
SYNCHRONOUS MACHINES
8
Principle
of
alternators:- Construction details, Equation of induced EMF and Vector diagram -
Synchronous motor:-
Starting methods, Torque, V curves, Speed control and Hunting.
UNIT IV INDUCTION MACHINES
9
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.
UNIT V
SPECIAL MACHINES
7
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.
TEXT BOOKS:
L = 45 TOTAL: 45 PERIODS
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.
REFERENCES:
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.
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