Classification of DC generator, types of armature winding, EMF equation, armature reaction, commutation, No load & load characteristics, use of interlopes & compensating winding (only qualitative treatment).
Classification, Back EMF equation, Torque equation, Characteristics of shunt, series & compound motors, speed control of shunt & series compound motors, losses in DC machines both generator and motor
direct & indirect methods of testing of DC machines, permanent magnet DC motors and brushless DC motors, applications of DC motors, Power flow diagram (all tests to be discussed)
Basic principle of operation, construction of salient & non-salient pole synchronous machines, generated EMF, effect of distribution of winding and use of chorded coils.
Voltage regulation by EMF, MMF, ZPF & ASA method
Synchronizing to infinite bus bars, parallel operation of alternators. Operating characteristics, power angle characteristics excluding armature resistance, operating for fixed input and variable excitation and vice-versa for both generating and motoring modes, V curves of synchronous machines, power flow equations including armature resistance, capability curves of synchronous generators hunting in synchronous machines, damper winding starting methods for hunting in synchronous machines.
Salient pole synchronous machines, two-reaction theory, power angle diagram, reluctance power, slip test