Well, there was that time when I was getting an EE degree where I asked my drives professor if I could use an induction motor as a generator, and that's the response he gave.
With all respect for your professor, you could of course simply try rather than echoing words from long ago.
Fortunately not everybody will take 'it can't be done' as the final answer :) It's not what can't be done in theory that matters but what can be done in practice.
Fortunately not everybody will take 'it can't be done' as the final answer :) It's not what can't be done in theory that matters but what can be done in practice.