In the news forum I saw this post:
Which sounds like the opposite of what I have read in these forums, so I followed the link, and it says
Did I misunderstand? Which does regen better, AC or DC? Or is that too simple a question?DC drives can easily pump braking energy back to the AC mains. In fact the cost for full regeneration is so reasonable that Avtron offers regenerative braking bridges for free up to about 300HP. Above that non-regenerative DC bridges are available and cost less than their AC drive counterparts.