Syllabus For Electrical Engineering

EE9211                                   ELECTRICAL ENGINEERING                                                0 0 3


UNIT I                                               DC MACHINES 

Construction of DC machines - theory of operation of DC generators - characteristics of  DC generators. Operating principle of DC motors - types of DC motors and their characteristics - speed control of DC motors.

UNIT II                         TRANSFORMERS AND THREE PHASE CIRCUITS 9
Introduction - transformer principle of operation - transformer no-load phasor diagram - EMF equation of a transformer - transformer on-load phasor diagram - transformer construction - equivalent circuit of a transformer - regulation of a transformer - transformer losses and efficiency -auto transformers. Three-phase supply - star connection - Delta connection - power in three-phase systems - measurement of power in three-phase systems - comparison of star and delta - advantages 

UNIT III                        INDUCTION MACHINES

Construction of single-phase motors - types of single phase motors - double revolving field theory - starting methods - capacitor start capacitor run motors - shaded pole - repulsion type. Principle of operation of three-phase induction motors - construction - types - equivalent circuit - starting and speed control.

UNIT IV                        SYNCHRONOUS MACHINES

Principles of alternator - construction details - types - equation of induced EMF - voltage regulation. Methods of starting of synchronous motors - torque equation - V curves - synchronous condensers .

UNIT V                      INTRODUCTION OF POWER SYSTEMS

Structure of electrical Power system -typical AC power supply scheme -types of power plants -Variable load on Power plants-Interconnected grid system- transmission & distribution of electrical energy -over head Vs Underground system -Protection of power system -substation -types of tariff -power factor improvement

Total: 45

TEXT BOOKS

1. I.J Nagarath and Kothari DP ‘Electrical Machines ’ Tata McGraw Hill ,1997

2. Del Toro ‘Electrical Engineering Fundamentals’ Pearson Education, New Delhi,

2007.

3. John Bird ‘Electrical Circuit theory and technology’ Elsevier, First Indian Edition,

2006.

REFERENCES

1. Rajendra Prasad ‘Fundamentals of Electrical engineering’ Prentice Hall of India,

2006.

2. Thereja .B.L ‘Fundamentals of Electrical Engineering and Electronics’ S chand &

Co Ltd, 2008

3. V.K Mehta and Rohit Mehta ‘ Principle of Electrical Engineering’ S Chand &

Company,2008