Having repaired this 60V 50A CVCC (quote link=topic=412861.msg5304994#msg5304994 date=1706521961), I have more questions before putting it to use.
First, it has no PFC to feed its 2800uF 320V** bulk storage, so needs up to 25A from my 230V mains. Too much for my home wiring. Yes, mercifully it has inrush limiting by 3×12R-28dia NTC's and a 30A relay shorting them. I have to rustle up my own PFC to bring down the feed, to under 15A.
I dissected a 3000W telecom rectifier I had, and tapped out its PFC output, still leaving the converter downstage connected. This should be good for the PSU. But new questions arise. Can one simply add 2800uF to the internal 800 the rectifier uses? What about its own inrush limiting components? Would they not vaporize on first power up? Or would the NTC's in the CVCC keep down the inrush well enough?
I also have a more generously rated 4000W rectifier.
** Any PFC will push these 400V rated caps to full stretch.
I have available 3-phase 415V good for at least 20A, and so considered a half-wave rectifier instead of PFC. Much work required to realize this. And how would the distribution transformer @250kVA like 15A dc up its star secondary's neutral? The smart energy meter may also have things to say. So, kept in abeyance for now.
Opinions please.