Electric Drives (3160919) MCQs

MCQs of Control of slip ring induction motor

Showing 21 to 22 out of 22 Questions
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21.

If induction motor air gap power is 48 KW and gross developed power is 28 KW, then rotor ohmic loss will be _________ KW.

(a)

10
(b)

20
(c)

30
(d)

40
Answer:

Option (b)

22.

A three-phase slip ring induction motor is fed from the rotor side with the stator winding short-circuited. The frequency of the current flowing in the short-circuited stator is ____________

(a)

Slip frequency
(b)

Supply frequency
(c)

The frequency corresponding to rotor speed
(d)

Zero
Answer:

Option (a)

Showing 21 to 22 out of 22 Questions
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