EE8301 Electrical Machines – I Lecture Notes Syllabus Book Previous 2 13 15 Marks Anna University Important Question Bank With Answers Regulation 2017 Study Materials Pdf Ppt

EE8301 Electrical Machines – I Lecture Notes Syllabus Book Previous  2 13 15 Marks  Anna University Important Question Bank With Answers Regulation 2017 Study Materials Pdf Ppt

EE8301 ELECTRICAL MACHINES – I

UNIT I MAGNETIC CIRCUITS AND MAGNETIC MATERIALS 

Magnetic circuits –Laws governing magnetic circuits - Flux linkage, Inductance and energy – Statically and Dynamically induced EMF - Torque – Properties of magnetic materials, Hysteresis and Eddy Current losses - AC excitation, introduction to permanent magnets- Transformer as a magnetically coupled circuit.

UNIT II TRANSFORMERS

Construction – principle of operation – equivalent circuit parameters – phasor diagrams, losses – testing – efficiency and voltage regulation-all day efficiency-Sumpner’s test, per unit representation – inrush current - three phase transformers-connections – Scott Connection – Phasing of transformer– parallel operation of three phase transformers-auto transformer – tap changing transformers- tertiary winding.

UNIT III ELECTROMECHANICAL ENERGY CONVERSION AND CONCEPTS IN ROTATING MACHINES

Energy in magnetic system – Field energy and co energy-force and torque equations –singly and multiply excited magnetic field systems-mmf of distributed windings – Winding Inductances-, magnetic fields in rotating machines – rotating mmf waves – magnetic saturation and leakage fluxes.

UNIT IV DC GENERATORS 

Construction and components of DC Machine – Principle of operation - Lap and wave windings-EMF equations– circuit model – armature reaction –methods of excitation- commutation - interpoles compensating winding –characteristics of DC generators.

UNIT V DC MOTORS 

Principle and operations - types of DC Motors – Speed Torque Characteristics of DC Motors- starting and speed control of DC motors –Plugging, dynamic and regenerative brakingtesting and efficiency – Retardation test- Swinburne’s test and Hopkinson’s test - Permanent Magnet DC (PMDC)motors-applications of DC Motor

TEXT BOOKS:

1. Stephen J. Chapman, ‘Electric Machinery Fundamentals’4th edition, McGraw Hill Education Pvt. Ltd, 2010.

2. P.C. Sen‘Principles of Electric Machines and Power Electronics’ John Wiley & Sons; 3rd Edition 2013.

3. Nagrath, I.J. and Kothari.D.P., Electric Machines’, McGraw-Hill Education, 2004

REFERENCES

1. Theodore Wildi, “Electrical Machines, Drives, and Power Systems”, Pearson Education., (5th Edition), 2002. 2. B.R. Gupta ,’Fundamental of Electric Machines’ New age International Publishers,3rd Edition ,Reprint 2015.

3. S.K. Bhattacharya, ‘Electrical Machines’ McGraw - Hill Education, New Delhi, 3rd Edition,2009.

4. Vincent Del Toro, ‘Basic Electric Machines’ Pearson India Education, 2016.

5. Surinder Pal Bali, ‘Electrical Technology Machines & Measurements, Vol.II, Pearson, 2013.

6. Fitzgerald. A.E., Charles Kingsely Jr, Stephen D.Umans, ‘Electric Machinery’, Sixth edition, McGraw Hill Books Company, 2003.

EE8301 Electrical Machines – I Lecture Notes Syllabus Book Previous  2 13 15 Marks  Anna University Important Question Bank With Answers Regulation 2017 Study Materials Pdf Ppt