Electrical Machines Hysteresis loss will depends on f f³ f² f1.6 f f³ f² f1.6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 44.47 Amp. 33.33 Amp. 43 Amp. 29 Amp. 44.47 Amp. 33.33 Amp. 43 Amp. 29 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque electromechanical energy conversion generation of voltage commutation development of torque electromechanical energy conversion generation of voltage commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4000 V is 1500 rpm. 3000 rpm. 4000 rpm. 3600 rpm. 1500 rpm. 3000 rpm. 4000 rpm. 3600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 100Hz. 200Hz. 50Hz. 150Hz. 100Hz. 200Hz. 50Hz. 150Hz. ANSWER DOWNLOAD EXAMIANS APP