Electric Drives (3160919) MCQs

MCQs of Scalar control or constant V/f control of induction motor

Showing 51 to 52 out of 52 Questions
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51.

The performance of induction motor is effected by the harmonics in the

(a)

Space variation of impressed voltage
(b)

Time variation of impressed voltage
(c)

Space variation of impressed current
(d)

Time variation of impressed current
Answer:

Option (b)

52.

The torque produced in the induction motor depends on the following factors

1. The part of rotating magnetic field which reacts with rotor and is responsible for producing emf.

2. The magnitude of rotor current in running condition.

3. The power factor of the rotor circuit in running condition. Which of the above statement is true?

(a)

 Only 1
(b)

1 & 2
(c)

2 & 3
(d)

1, 2 and 3
Answer:

Option (d)

Showing 51 to 52 out of 52 Questions
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