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Regenerative braking mode can be achieved in which quadrant (V-I curve)?

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Regenerative braking mode can be achieved in which quadrant (V-I curve)?

(a) Third

(b) Second

(c) Fourth

(d) First

I have been asked this question in exam.

This interesting question is from Dynamics in division Dynamics of Electrical Drives of Electric Drives

1 Answer

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Best answer
Correct option is (b) Second

The best explanation: Regenerative braking is only available in second quadrant as power from motor is fed back to source. Back emf generated (Eb) is more than armature terminal (Vt) so it works as a generator.

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