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Electrical Engineering

Electrical Machines 1 (Web)

IIT Madras

Faculty Coordinators



Prof. Krishna Vasudevan


Department of Electrical Engineering
Indian Institute of Technology Madras
Chennai 600036
Email : krishna@ee.iitm.ernet.in
Telephone : (91-44) 2257 8389 (Office)
                  (91-44)                 (Residence)

Prof. G. Sridhara Rao

Professor (Retd) Department of Electrical Engineering
Indian Institute of Technology Madras
Chennai 600036
Email : gsrao@ee.iitm.ernet.in ; sridhararaog@gmail.com
Telephone: 91 - 44- 22351240

Prof. P. Sasidhara Rao

Professor (Retd) Department of Electrical Engineering
Indian Institute of Technology Madras
Chennai 600036
Email : psrao@ee.iitm.ernet.in

 

Detailed Syllabus


Basic Theory, - Ideal transformer - Magnetizing current waveform. - Construction of transformers. - Effects of harmonics and harmonic compensation - Practical single phase transformer, - Equivalent circuit - Variable frequency operation. - Phasor diagram, - Regulation. - Switching surges, Mechanical forces in transformers - Losses, Efficiency. - Parallel operation - Three winding transformer .- Polyphase connections. - Scott connected transformer - Auto transformer - Transformer windings. - Tap-changing and voltage control - Basics of transformer design

Construction of DC machines - lap and wave windings - EMF equation - Torque equation. - Methods of excitation of DC generators. - Commutation in DC machines. - Armature reaction, - Equivalent circuit. - Self excitation of generators. - Characteristics of DC generators. - Parallel operation of generators. - DC motor operation and characteristics. - Parallel operation of motors. - Losses in DC machines, Efficiency. - Brush less, commutator-less DC machine - Starting, speed control & braking of DC.motors. Design of DC machines.

 

Download Syllabus (PDF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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