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Electrical Engineering

Electrical Machines 1 (Video)

IIT Roorkee

Faculty Coordinators



Prof. S. P. Gupta


Department of Electrical Engineering
Indian Institute of Technology Roorkee
Roorkee - 247 667
Email : sguptaad@iitr.ernet.in
Telephone : (91-1332) 285 597 (Office)
                  (91-1332) 285 038, 271 225 (Residence)

 

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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