HW Interview
PW-19 · Chapter 4 · Power Conversion

Back-EMF and regenerative energy

A motor drive on a battery-free bench supply sees its bus voltage jump when the motor decelerates. Why, and what do you do?

Level●● onsite technical
TrackPower
Really testingEnergy flow back into the bus.
Full worked answer: in the book, page 120 — what to say first, how to explain it, the numbers worth quoting and the follow-ups. About the book →

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