Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Dc field excitation Leakage flux Armature reaction None of the listed here Dc field excitation Leakage flux Armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 132 kV 230 V 400 V 11 kV 132 kV 230 V 400 V 11 kV ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to None of the listed here Prevenent hunting Reduce windage loss Achieve synchronism None of the listed here Prevenent hunting Reduce windage loss Achieve synchronism ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance None of the listed here Complex effects of armature reaction Large armature resistance Large leakage reactance None of the listed here Complex effects of armature reaction Large armature resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Transformer None of the listed here Dc motor Rectifier Transformer None of the listed here Dc motor Rectifier ANSWER DOWNLOAD EXAMIANS APP