[Solved] A 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if

McqMate

Q.	A 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if
A.	load torque is constant
B.	load torque increases with increase in speed
C.	load torque decreases with increase in speed
D.	either (a) or (b)
Answer» B. load torque increases with increase in speed

1.3k

0

Do you find this helpful?

5

View all MCQs in

Power Electronics

Discussion

No comments yet

Related MCQs

In a 3 phase full wave regulator feeding a star connected resistance load the input voltage is 400 V line to line. The firing angle is 160°. The line to line output voltage would be
A single phase fully controlled bridge rectifier is fed by a source having inductance. The output voltage during overlap period is
A 3 phase bridge inverter is fed by 400 V battery. The load is star connected and has a resistance of 10 Ω per phase. The peak value of load current is
A 3 phase ac regulator uses
In a 3 phase full wave regulator feeding resistance load connected in star, the possible range of firing angle a is
In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally
A single phase full wave regulator feeds R-L load. The best gating signal is
In a single phase full wave ac regulator, the firing angles in the two half cycles
A single phase half wave regulator uses
In a single phase full wave regulator feeding a resistive load, the average current over one full cycle