EMEC & DC Machines

Electromechanical Energy Conversion
General Description of Electrical Machines
D.C. Machines
Cross-Field Machines
1st edition, by Bakshi

Book Details

Electromechanical Energy Conversion Energy stored in electric and magnetic fields, Energy conversion in singly and multiple excited systems, Reluctance torque, Reluctance and hysteresis motors. General Description of Electrical Machines Description of electric circuits in cylindrical rotor and salient pole machines, M.M.F. of single and multiple coils, Harmonic analysis of induced voltages and armature M.M.F., Effect of slots, Winding factors, Torque interms of flux and M.M.F. D.C. Machines Armature windings, Single and double layers, Windings and winding diagrams, E.M.F. and torque equations, Interaction of fields produced by excitation circuit and armature, Effect of brush shift, Compensating winding, Commutation, Causes of bad commutation, Methods of improving commutation, Methods of excitation of d.c. generators and their characteristics. D.C. motors : Characteristics, Starting of shunt and series motor, Starters, Speed control Methods-field and armature control, Ward Leonard method. Braking: Plugging, Dynamic and regenerative braking. Testing: Swinburn’s test, Hopkinson test, Field test. Estimation of losses and efficiency. Cross-Field Machines Principle of working, Analysis of cross-field generator, Typical characteristics with different compensations. Applications.

Additional Information

Edition 1st edition
Publisher Technical Publications
No. of Pages (Printed Book) 368

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EMEC & DC Machines