The stated specs for this power supply are pretty simple ... Powered by a 24-volt DC supply and an adjustable DC-DC converter, that setup alone yields something around 20kV — not too shabby ...

It’s no replacement for a proper bench supply, especially since it doesn’t have adjustable current limiting, but it’s a nice improvement upon previous psu hacks.

Bel Power Solutions has announced the TCP4000 Series of fanless, three-phase 4,000W AC-DC converters, suitable for a variety ... three-phase input voltage (180Vac – 528Vac) to an adjustable low ...