Electrical Machines In a 3 - φ induction motor running at full load which of these parameters is stationary with respect to the stator mmf wave? Rotor winding. Stator winding. Rotor mmf wave. Both rotor and stator winding. Rotor winding. Stator winding. Rotor mmf wave. Both rotor and stator winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following relation is correct? Xd > Xq. Xd = Xq. None of these Xd < Xq. Xd > Xq. Xd = Xq. None of these Xd < Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) remain the same as the original changes to three times the original value changes to 1.5 times the original value changes to 0.5 times the original value remain the same as the original changes to three times the original value changes to 1.5 times the original value changes to 0.5 times the original value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip speed is the sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. difference of actual rotor speed and synchronous speed. half of the sum of synchronous and rotor speeds. sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. difference of actual rotor speed and synchronous speed. half of the sum of synchronous and rotor speeds. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? Stepper motor. 3 - Φ induction motor. 1 - Φ synchronous motor. DC motor. Stepper motor. 3 - Φ induction motor. 1 - Φ synchronous motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to I/Ia2 Ia 1/Ia Ia2 I/Ia2 Ia 1/Ia Ia2 ANSWER DOWNLOAD EXAMIANS APP
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