Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. increases decreases any of the above remains unaffected increases decreases any of the above remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 20° 60° 30° 18° 20° 60° 30° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Remains unchanged. Increases. None of above. Decreases. Remains unchanged. Increases. None of above. Decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? shunt generator both B and C over compound generator series generators shunt generator both B and C over compound generator series generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. shunt field armature circuit both A and B none of above shunt field armature circuit both A and B none of above ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS