Synchronous Machine I Constructional features, Armature winding, E.M.F. equation, Winding coefficients, Equivalent circuit and phasor diagram, Armature reaction, O.C. and S.C. tests, Voltage regulation using synchronous impedance method, M.M.F. method, Potier's triangle method, Parallel operation of synchronous generators, Operation on infinite bus, Synchronizing power and torque co-efficient. Synchronous Machine II Two reaction theory, Power flow equations of cylindrical and salient pole machines, Operating characteristics.Synchronous Motors Starting methods, Effect of varying field current at different loads, V-Curves, Hunting and damping, Synchronous condensor. Three Phase Induction Machine - IConstructional features, Rotating magnetic field, Principle of operation, Phasor diagram, Equivalent circuit, Torque and power equations. Torque-slip characteristics, No load and blocked rotor tests, Efficiency, Induction generator.Three Phase Induction Machine - II Starting, Deep bar and double cage rotors, Cogging and Crawling, Speed control (with and without e.m.f. injection in rotor circuit).Single Phase Induction Motor Double revolving field theory, Equivalent circuit, No load and blocked rotor tests, Starting methods, Repulsion motor.A.C. Commutator Motors Universal motor, Single phase a.c. series compensated motor, Stepper motors.The important aspects of various topics are highlighted using the Key Points, included in the respective discussions of the topics, throughout the book. The theory of electrical ... The exact and clear representation of complex phasor diagrams and circle diagrams is the feature of this book. The stepwise ... The solved problems from University Papers are also added in this book. ... The chapter 1 is devoted to the theory of synchronous generators which are popularly known as alternators.
|Title||:||Electromechanical Energy Conversion - Ii|
|Publisher||:||Technical Publications - 2009-01-01|