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Pinky Meena

· started a discussion

· 1 Months ago

Option (Question:1037970.0)

Option C correct
Option B is wrong

Question:

Regenerative method of braking is based on that

Options:
A)

back e.m.f. is equal to the applied voltage

B)

back e.m.f. is less than the applied voltage

C)

back e.m.f. of rotor is more than the applied voltage

D)

none of the above

Solution:

Ans: (c)

Explanation: The condition for regeneration is that the rotational emf is more than the applied voltage so that the current is reversed and the mode of operation changes from motoring to generating.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
We have done the required correction. kindly re-check.

Regards
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