Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero maximum All of these minimum zero maximum All of these minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. None of above. Residual magnetism of the generator. Field resistance. Armature resistance. None of above. Residual magnetism of the generator. Field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor will deliver maximum power when load angle is 0°. load angle is equal to internal angle θ. input power factor is unity. load angle is 45°. load angle is 0°. load angle is equal to internal angle θ. input power factor is unity. load angle is 45°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in traction computer printers food processing All of these traction computer printers food processing All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 50 W 112.5 W 75 W 168.75 W 50 W 112.5 W 75 W 168.75 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as cogging. relative speed. crawling. air gap. cogging. relative speed. crawling. air gap. ANSWER DOWNLOAD EXAMIANS APP