BTech Coaching/Tuition Classes For Electro Mechanical Energy Conversion(EEE – 401)

BTech Coaching/Tuition Classes For Electro Mechanical Energy Conversion(EEE – 401)
Principles of Electro-mechanical Energy Conversion - Introduction, Flow of Energy in
Electromechanical Devices, Energy in magnetic systems(defining energy & Co-energy) , Singly
Excited Systems; determination of mechanical force, mechanical energy, torque equation , Doubly
excited Systems; Energy stored in magnetic field, electromagnetic torque , Generated emf in
machines; torque in machines with cylindrical air gap .
D.C. Machines:- Construction of DC Machines, Armature winding, Emf and torque equation ,
Armature Reaction ,Commutation , Interpoles and Compensating Windings, Performance
Characteristics of D.C. generators.
D.C. Machines (Contd.):- Performance Characteristics of D.C. motors ,Starting of D.C. motors ; 3
point and 4 point starters , Speed control of D.C. motors: Field Control , armature control and Voltage
Control (Ward Leno
Single Phase Transformer: Phasor diagram, efficiency and voltage regulation, all day efficiency.
Testing of Transformers: O.C. and S.C. tests, Sumpner;s test, polarity test.
Auto Transformer: Single phase and three phase auto transformers, volt-amp, relation, efficiency,
merits & demerits and applications.
Three Phase Transformers: Construction, three phase transformer phasor groups and their
connections, open delta connection, three phase to 2 phase, 6 phase or 12 phase connections, and their
applications, parallel operation and load sharing of single phase and three phase transformers,
excitation phenomenon and harmonics in transformers, three winding transformers.
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WhatsUp Number: 9891500587


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