Electro-Mechanical Energy Conversion Tuition In Greater Noida
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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 Lenonard method); Efficiency and Testing of D.C. machines (Hopkinson's and
Swinburn's Test).
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.
CFA Academy Of Career Development 39-A, Knowledge Park-II Greater Noida, Uttar Pradesh 201310
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CFA Academy Greater Noida
39-A, Patel Lok Sanskritik Sansthan
(Near Kausalya Residency)
Knowledge Park-II, Greater Noida-201306
Mo-9891500587,9650308924
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