Electrical Machines In salient pole synchronous machine, the reluctance power varies as cosδ sin2δ cos2δ sinδ cosδ sin2δ cos2δ sinδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be inversely proportional to MVA rating of transformers. same. such that actual impedance of all transformers would be same. proportionate to MVA rating of transformers. inversely proportional to MVA rating of transformers. same. such that actual impedance of all transformers would be same. proportionate to MVA rating of transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.05. 1.0. 0.5. 0.1. 0.05. 1.0. 0.5. 0.1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of power factor and dc excitation at constant load supply voltage and field current at constant excitation All of these power factor and supply voltage during hunting power factor and dc excitation at constant load supply voltage and field current at constant excitation All of these power factor and supply voltage during hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Cummulative compound motor with interpoles. Series motor without interpoles. Shunt motor with interpoles. Series motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Shunt motor with interpoles. Series motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because it reduces field structure iron losses it gives more uniform air-gap flux distribution dc machines are comparatively low rating machines. commutator action is not possible otherwise it reduces field structure iron losses it gives more uniform air-gap flux distribution dc machines are comparatively low rating machines. commutator action is not possible otherwise ANSWER DOWNLOAD EXAMIANS APP